diff --git a/src/main/java/electroblob/wizardry/WizardryEventHandler.java b/src/main/java/electroblob/wizardry/WizardryEventHandler.java
index 61dd4c2b..e0754c16 100644
--- a/src/main/java/electroblob/wizardry/WizardryEventHandler.java
+++ b/src/main/java/electroblob/wizardry/WizardryEventHandler.java
@@ -281,7 +281,7 @@ public final class WizardryEventHandler {
 								.target(attacker).spawn(world);
 
 						ParticleBuilder.spawnShockParticles(world, attacker.posX,
-								attacker.getEntityBoundingBox().minY + attacker.height / 2, attacker.posZ);
+								attacker.posY + attacker.height / 2, attacker.posZ);
 					}
 
 					DamageSafetyChecker.attackEntitySafely(attacker, MagicDamage.causeDirectMagicDamage(event.getEntityLiving(),
diff --git a/src/main/java/electroblob/wizardry/client/animation/ActionAnimation.java b/src/main/java/electroblob/wizardry/client/animation/ActionAnimation.java
index 6c5b94c6..70f3d092 100644
--- a/src/main/java/electroblob/wizardry/client/animation/ActionAnimation.java
+++ b/src/main/java/electroblob/wizardry/client/animation/ActionAnimation.java
@@ -3,6 +3,7 @@ package electroblob.wizardry.client.animation;
 import electroblob.wizardry.data.WizardData;
 import electroblob.wizardry.item.SpellActions;
 import electroblob.wizardry.spell.Grapple;
+import electroblob.wizardry.util.GeometryUtils;
 import electroblob.wizardry.util.InventoryUtils;
 import net.minecraft.client.model.ModelBiped;
 import net.minecraft.entity.EntityLivingBase;
@@ -100,7 +101,7 @@ public abstract class ActionAnimation extends Animation {
 				if(hit.entityHit instanceof EntityLivingBase){
 					// If the target is an entity, we need to use the entity's centre rather than the original hit position
 					// because the entity will have moved!
-					target = new Vec3d(hit.entityHit.posX, hit.entityHit.getEntityBoundingBox().minY + hit.entityHit.height/2, hit.entityHit.posZ);
+					target = GeometryUtils.getCentre(hit.entityHit);
 				}
 
 				EnumHandSide side = InventoryUtils.getSideForHand(player, player.getActiveHand());
diff --git a/src/main/java/electroblob/wizardry/client/particle/ParticleTargeted.java b/src/main/java/electroblob/wizardry/client/particle/ParticleTargeted.java
index aff023a6..100016ef 100644
--- a/src/main/java/electroblob/wizardry/client/particle/ParticleTargeted.java
+++ b/src/main/java/electroblob/wizardry/client/particle/ParticleTargeted.java
@@ -95,7 +95,7 @@ public abstract class ParticleTargeted extends ParticleWizardry {
 		if(this.target != null){
 
 			this.targetX = this.target.prevPosX + (this.target.posX - this.target.prevPosX) * partialTicks;
-			double correction = this.target.getEntityBoundingBox().minY - this.target.posY;
+			double correction = this.target.posY - this.target.posY;
 			this.targetY = this.target.prevPosY + (this.target.posY - this.target.prevPosY) * partialTicks
 					+ target.height/2 + correction;
 			this.targetZ = this.target.prevPosZ + (this.target.posZ - this.target.prevPosZ) * partialTicks;
diff --git a/src/main/java/electroblob/wizardry/client/particle/ParticleWizardry.java b/src/main/java/electroblob/wizardry/client/particle/ParticleWizardry.java
index 57a5f74b..d957163a 100644
--- a/src/main/java/electroblob/wizardry/client/particle/ParticleWizardry.java
+++ b/src/main/java/electroblob/wizardry/client/particle/ParticleWizardry.java
@@ -206,7 +206,7 @@ public abstract class ParticleWizardry extends Particle {
 		this.entity = entity;
 		// Set these to the correct values
 		if(entity != null){
-			this.setPosition(this.entity.posX + relativeX, this.entity.getEntityBoundingBox().minY
+			this.setPosition(this.entity.posX + relativeX, this.entity.posY
 					+ relativeY, this.entity.posZ + relativeZ);
 			this.prevPosX = this.posX;
 			this.prevPosY = this.posY;
diff --git a/src/main/java/electroblob/wizardry/client/renderer/entity/RenderFireRing.java b/src/main/java/electroblob/wizardry/client/renderer/entity/RenderFireRing.java
index b25446b2..b935f29f 100644
--- a/src/main/java/electroblob/wizardry/client/renderer/entity/RenderFireRing.java
+++ b/src/main/java/electroblob/wizardry/client/renderer/entity/RenderFireRing.java
@@ -82,7 +82,7 @@ public class RenderFireRing extends Render<EntityFireRing> {
 				float f2 = 0.5F;
 				float f3 = 0.0F;
 				float f4 = 0.2f;
-				float f5 = (float)(entity.posY - entity.getEntityBoundingBox().minY);
+				float f5 = (float)(entity.posY - entity.posY);
 				GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
 				float f61 = 0.0F;
 				int i = 0;
@@ -129,7 +129,7 @@ public class RenderFireRing extends Render<EntityFireRing> {
 				float f2 = 0.5F;
 				float f3 = 0.0F;
 				float f4 = 0.2f;
-				float f5 = (float)(entity.posY - entity.getEntityBoundingBox().minY);
+				float f5 = (float)(entity.posY - entity.posY);
 				GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
 				float f61 = 0.0F;
 				int i = 0;
diff --git a/src/main/java/electroblob/wizardry/entity/construct/EntityHammer.java b/src/main/java/electroblob/wizardry/entity/construct/EntityHammer.java
index f5aa3819..40ba1997 100644
--- a/src/main/java/electroblob/wizardry/entity/construct/EntityHammer.java
+++ b/src/main/java/electroblob/wizardry/entity/construct/EntityHammer.java
@@ -121,7 +121,7 @@ public class EntityHammer extends EntityMagicConstruct {
 						ParticleBuilder.create(Type.LIGHTNING).pos(posX, posY + height - 0.1, posZ) .target(target).spawn(world);
 
 						ParticleBuilder.spawnShockParticles(world, target.posX,
-								target.getEntityBoundingBox().minY + target.height, target.posZ);
+								target.posY + target.height, target.posZ);
 					}
 
 					target.playSound(WizardrySounds.ENTITY_HAMMER_ATTACK, 1.0F, rand.nextFloat() * 0.4F + 1.5F);
diff --git a/src/main/java/electroblob/wizardry/entity/construct/EntityLightningSigil.java b/src/main/java/electroblob/wizardry/entity/construct/EntityLightningSigil.java
index 197497f7..63cc1325 100644
--- a/src/main/java/electroblob/wizardry/entity/construct/EntityLightningSigil.java
+++ b/src/main/java/electroblob/wizardry/entity/construct/EntityLightningSigil.java
@@ -81,7 +81,7 @@ public class EntityLightningSigil extends EntityScaledConstruct {
 								.pos(0, target.height/2, 0).target(secondaryTarget).spawn(world);
 								
 								ParticleBuilder.spawnShockParticles(world, secondaryTarget.posX,
-										secondaryTarget.getEntityBoundingBox().minY + secondaryTarget.height / 2,
+										secondaryTarget.posY + secondaryTarget.height / 2,
 										secondaryTarget.posZ);
 							}
 
diff --git a/src/main/java/electroblob/wizardry/entity/construct/EntityStormcloud.java b/src/main/java/electroblob/wizardry/entity/construct/EntityStormcloud.java
index 2f034c7f..e36512de 100644
--- a/src/main/java/electroblob/wizardry/entity/construct/EntityStormcloud.java
+++ b/src/main/java/electroblob/wizardry/entity/construct/EntityStormcloud.java
@@ -53,7 +53,7 @@ public class EntityStormcloud extends EntityScaledConstruct {
 					}else{
 						ParticleBuilder.create(Type.LIGHTNING).pos(target.posX, posY + height/2, target.posZ)
 								.target(target).scale(2).spawn(world);
-						ParticleBuilder.spawnShockParticles(world, target.posX, target.getEntityBoundingBox().minY + target.height, target.posZ);
+						ParticleBuilder.spawnShockParticles(world, target.posX, target.posY + target.height, target.posZ);
 					}
 
 					target.playSound(WizardrySounds.ENTITY_STORMCLOUD_THUNDER, 1, 1.6f);
diff --git a/src/main/java/electroblob/wizardry/entity/living/EntityAIAttackSpell.java b/src/main/java/electroblob/wizardry/entity/living/EntityAIAttackSpell.java
index c559a919..f8a75ac1 100644
--- a/src/main/java/electroblob/wizardry/entity/living/EntityAIAttackSpell.java
+++ b/src/main/java/electroblob/wizardry/entity/living/EntityAIAttackSpell.java
@@ -117,7 +117,7 @@ public class EntityAIAttackSpell<T extends EntityLiving & ISpellCaster> extends
 
 		// Only executed server side.
 
-		double distanceSq = this.attacker.getDistanceSq(this.target.posX, this.target.getEntityBoundingBox().minY,
+		double distanceSq = this.attacker.getDistanceSq(this.target.posX, this.target.posY,
 				this.target.posZ);
 		boolean targetIsVisible = this.attacker.getEntitySenses().canSee(this.target);
 
diff --git a/src/main/java/electroblob/wizardry/entity/living/EntityDecoy.java b/src/main/java/electroblob/wizardry/entity/living/EntityDecoy.java
index f704a0ca..9c4df7ac 100644
--- a/src/main/java/electroblob/wizardry/entity/living/EntityDecoy.java
+++ b/src/main/java/electroblob/wizardry/entity/living/EntityDecoy.java
@@ -44,7 +44,7 @@ public class EntityDecoy extends EntitySummonedCreature {
 		if(world.isRemote){
 			for(int i = 0; i < 20; i++){
 				ParticleBuilder.create(Type.DUST)
-				.pos(this.posX + (this.rand.nextDouble() - 0.5) * this.width, this.getEntityBoundingBox().minY
+				.pos(this.posX + (this.rand.nextDouble() - 0.5) * this.width, this.posY
 						+ this.rand.nextDouble() * this.height, this.posZ + (this.rand.nextDouble() - 0.5) * this.width)
 				.time(40)
 				.clr(0.2f, 1.0f, 0.8f)
diff --git a/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicArrow.java b/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicArrow.java
index 5c7221a8..0c7c011f 100644
--- a/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicArrow.java
+++ b/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicArrow.java
@@ -90,7 +90,7 @@ public abstract class EntityMagicArrow extends Entity implements IProjectile, IE
 		
 		this.setCaster(caster);
 		
-		this.setLocationAndAngles(caster.posX, caster.getEntityBoundingBox().minY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET,
+		this.setLocationAndAngles(caster.posX, caster.posY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET,
 				caster.posZ, caster.rotationYaw, caster.rotationPitch);
 		
 		this.posX -= (double)(MathHelper.cos(this.rotationYaw / 180.0F * (float)Math.PI) * 0.16F);
@@ -117,10 +117,10 @@ public abstract class EntityMagicArrow extends Entity implements IProjectile, IE
 		
 		this.setCaster(caster);
 
-		this.posY = caster.getEntityBoundingBox().minY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
+		this.posY = caster.posY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
 		double dx = target.posX - caster.posX;
-		double dy = this.doGravity() ? target.getEntityBoundingBox().minY + (double)(target.height / 3.0f) - this.posY
-				: target.getEntityBoundingBox().minY + (double)(target.height / 2.0f) - this.posY;
+		double dy = this.doGravity() ? target.posY + (double)(target.height / 3.0f) - this.posY
+				: target.posY + (double)(target.height / 2.0f) - this.posY;
 		double dz = target.posZ - caster.posZ;
 		double horizontalDistance = (double)MathHelper.sqrt(dx * dx + dz * dz);
 
diff --git a/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicProjectile.java b/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicProjectile.java
index fa94a473..edf5386e 100644
--- a/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicProjectile.java
+++ b/src/main/java/electroblob/wizardry/entity/projectile/EntityMagicProjectile.java
@@ -48,7 +48,7 @@ public abstract class EntityMagicProjectile extends EntityThrowable implements I
 	/** Sets the shooter of the projectile to the given caster, positions the projectile at the given caster's eyes and
 	 * aims it in the direction they are looking with the given speed. */
 	public void aim(EntityLivingBase caster, float speed){
-		this.setPosition(caster.posX, caster.getEntityBoundingBox().minY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET, caster.posZ);
+		this.setPosition(caster.posX, caster.posY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET, caster.posZ);
 		// This is the standard set of parameters for this method, used by snowballs and ender pearls amongst others.
 		this.shoot(caster, caster.rotationPitch, caster.rotationYaw, 0.0f, speed, 1.0f);
 		this.thrower = caster;
@@ -66,10 +66,10 @@ public abstract class EntityMagicProjectile extends EntityThrowable implements I
 		// Mojang's 'fix' for the projectile-hitting-thrower bug actually made the problem worse, hence the following line.
 		this.ignoreEntity = thrower;
 
-		this.posY = caster.getEntityBoundingBox().minY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
+		this.posY = caster.posY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
 		double dx = target.posX - caster.posX;
-		double dy = !this.hasNoGravity() ? target.getEntityBoundingBox().minY + (double)(target.height / 3.0f) - this.posY
-				: target.getEntityBoundingBox().minY + (double)(target.height / 2.0f) - this.posY;
+		double dy = !this.hasNoGravity() ? target.posY + (double)(target.height / 3.0f) - this.posY
+				: target.posY + (double)(target.height / 2.0f) - this.posY;
 		double dz = target.posZ - caster.posZ;
 		double horizontalDistance = MathHelper.sqrt(dx * dx + dz * dz);
 
diff --git a/src/main/java/electroblob/wizardry/entity/projectile/EntitySparkBomb.java b/src/main/java/electroblob/wizardry/entity/projectile/EntitySparkBomb.java
index 53e0e145..facb0dd0 100644
--- a/src/main/java/electroblob/wizardry/entity/projectile/EntitySparkBomb.java
+++ b/src/main/java/electroblob/wizardry/entity/projectile/EntitySparkBomb.java
@@ -81,7 +81,7 @@ public class EntitySparkBomb extends EntityBomb {
 
 				}else{
 					ParticleBuilder.create(Type.LIGHTNING).pos(this.getPositionVector()).target(target).spawn(world);
-					ParticleBuilder.spawnShockParticles(world, target.posX, target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+					ParticleBuilder.spawnShockParticles(world, target.posX, target.posY + target.height/2, target.posZ);
 				}
 			}
 		}
diff --git a/src/main/java/electroblob/wizardry/item/ItemArtefact.java b/src/main/java/electroblob/wizardry/item/ItemArtefact.java
index 4174b4ea..45749116 100644
--- a/src/main/java/electroblob/wizardry/item/ItemArtefact.java
+++ b/src/main/java/electroblob/wizardry/item/ItemArtefact.java
@@ -609,7 +609,7 @@ public class ItemArtefact extends Item {
 									.pos(0, event.getEntity().height/2, 0).target(target).spawn(player.world);
 
 							ParticleBuilder.spawnShockParticles(player.world, target.posX,
-									target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+									target.posY + target.height/2, target.posZ);
 						}
 
 						DamageSafetyChecker.attackEntitySafely(target, MagicDamage.causeDirectMagicDamage(player,
@@ -693,7 +693,7 @@ public class ItemArtefact extends Item {
 												.pos(0, event.getEntity().height/2, 0).target(target).spawn(world);
 
 										ParticleBuilder.spawnShockParticles(world, target.posX,
-												target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+												target.posY + target.height/2, target.posZ);
 									}
 
 									DamageSafetyChecker.attackEntitySafely(target, MagicDamage.causeDirectMagicDamage(player,
diff --git a/src/main/java/electroblob/wizardry/item/ItemLightningHammer.java b/src/main/java/electroblob/wizardry/item/ItemLightningHammer.java
index 6ae8b69c..455dc3bf 100644
--- a/src/main/java/electroblob/wizardry/item/ItemLightningHammer.java
+++ b/src/main/java/electroblob/wizardry/item/ItemLightningHammer.java
@@ -210,7 +210,7 @@ public class ItemLightningHammer extends Item implements IConjuredItem {
 					if(hit.world.isRemote){
 						ParticleBuilder.create(Type.LIGHTNING).pos(hit.getPositionVector().add(0, hit.height / 2, 0))
 								.target(target).spawn(hit.world);
-						ParticleBuilder.spawnShockParticles(hit.world, target.posX, target.getEntityBoundingBox().minY + target.height / 2, target.posZ);
+						ParticleBuilder.spawnShockParticles(hit.world, target.posX, target.posY + target.height / 2, target.posZ);
 					}
 
 					//target.playSound(WizardrySounds.SPELL_SPARK, 1, 1.5f + 0.4f * world.rand.nextFloat());
diff --git a/src/main/java/electroblob/wizardry/item/ItemPurifyingElixir.java b/src/main/java/electroblob/wizardry/item/ItemPurifyingElixir.java
index 785ed409..62607cdf 100644
--- a/src/main/java/electroblob/wizardry/item/ItemPurifyingElixir.java
+++ b/src/main/java/electroblob/wizardry/item/ItemPurifyingElixir.java
@@ -59,7 +59,7 @@ public class ItemPurifyingElixir extends Item {
 
 			for(int i = 0; i < 20; i++){
 				double x = entity.posX + world.rand.nextDouble() * 2 - 1;
-				double y = entity.getEntityBoundingBox().minY + entity.getEyeHeight() - 0.5 + world.rand.nextDouble();
+				double y = entity.posY + entity.getEyeHeight() - 0.5 + world.rand.nextDouble();
 				double z = entity.posZ + world.rand.nextDouble() * 2 - 1;
 				ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.14, 0).clr(0x0f001b)
 						.time(20 + world.rand.nextInt(12)).spawn(world);
diff --git a/src/main/java/electroblob/wizardry/item/ItemWand.java b/src/main/java/electroblob/wizardry/item/ItemWand.java
index b22cb6b8..5d5cb2e6 100644
--- a/src/main/java/electroblob/wizardry/item/ItemWand.java
+++ b/src/main/java/electroblob/wizardry/item/ItemWand.java
@@ -847,7 +847,7 @@ public class ItemWand extends Item implements IWorkbenchItem, ISpellCastingItem,
 
 				if(player.world.isRemote){
 
-					Vec3d origin = new Vec3d(player.posX, player.getEntityBoundingBox().minY + player.getEyeHeight(), player.posZ);
+					Vec3d origin = player.getPositionEyes(1);
 					Vec3d hit = origin.add(player.getLookVec().scale(player.getDistance(event.getTarget())));
 					// Generate two perpendicular vectors in the plane perpendicular to the look vec
 					Vec3d vec1 = player.getLookVec().rotatePitch(90);
diff --git a/src/main/java/electroblob/wizardry/misc/Forfeit.java b/src/main/java/electroblob/wizardry/misc/Forfeit.java
index 54a98178..3f9da890 100644
--- a/src/main/java/electroblob/wizardry/misc/Forfeit.java
+++ b/src/main/java/electroblob/wizardry/misc/Forfeit.java
@@ -190,7 +190,7 @@ public abstract class Forfeit {
 		add(Tier.APPRENTICE, Element.FIRE, create("fireball", (w, p) -> {
 			if(!w.isRemote){
 				EntityMagicFireball fireball = new EntityMagicFireball(w);
-				Vec3d vec = p.getPositionEyes(0).add(p.getLookVec().scale(6));
+				Vec3d vec = p.getPositionEyes(1).add(p.getLookVec().scale(6));
 				fireball.setPosition(vec.x, vec.y, vec.z);
 				fireball.shoot(p.posX, p.posY + p.getEyeHeight(), p.posZ, 1.5f, 1);
 				w.spawnEntity(fireball);
diff --git a/src/main/java/electroblob/wizardry/potion/ICustomPotionParticles.java b/src/main/java/electroblob/wizardry/potion/ICustomPotionParticles.java
index ab0ec6e0..5bcc6423 100644
--- a/src/main/java/electroblob/wizardry/potion/ICustomPotionParticles.java
+++ b/src/main/java/electroblob/wizardry/potion/ICustomPotionParticles.java
@@ -53,7 +53,7 @@ public interface ICustomPotionParticles extends ISyncedPotion {
 
 					double x = event.getEntityLiving().posX
 							+ (event.getEntityLiving().world.rand.nextDouble() - 0.5) * event.getEntityLiving().width;
-					double y = event.getEntityLiving().getEntityBoundingBox().minY
+					double y = event.getEntityLiving().posY
 							+ event.getEntityLiving().world.rand.nextDouble() * event.getEntityLiving().height;
 					double z = event.getEntityLiving().posZ
 							+ (event.getEntityLiving().world.rand.nextDouble() - 0.5) * event.getEntityLiving().width;
diff --git a/src/main/java/electroblob/wizardry/potion/PotionContainment.java b/src/main/java/electroblob/wizardry/potion/PotionContainment.java
index a29e9831..6fc5a19a 100644
--- a/src/main/java/electroblob/wizardry/potion/PotionContainment.java
+++ b/src/main/java/electroblob/wizardry/potion/PotionContainment.java
@@ -54,7 +54,7 @@ public class PotionContainment extends PotionMagicEffect {
 		if(target.getEntityBoundingBox().minX < origin.x - maxDistance) x = origin.x - maxDistance + target.width/2;
 
 		if(target.getEntityBoundingBox().maxY > origin.y + maxDistance) y = origin.y + maxDistance - target.height;
-		if(target.getEntityBoundingBox().minY < origin.y - maxDistance) y = origin.y - maxDistance;
+		if(target.posY < origin.y - maxDistance) y = origin.y - maxDistance;
 
 		if(target.getEntityBoundingBox().maxZ > origin.z + maxDistance) z = origin.z + maxDistance - target.width/2;
 		if(target.getEntityBoundingBox().minZ < origin.z - maxDistance) z = origin.z - maxDistance + target.width/2;
@@ -67,7 +67,7 @@ public class PotionContainment extends PotionMagicEffect {
 //					for(int i = 0; i < 20; i++){
 //						ParticleBuilder.create(ParticleBuilder.Type.DUST).pos(
 //								x,
-//								target.getEntityBoundingBox().minY + target.height * target.world.rand.nextFloat(),
+//								target.posY + target.height * target.world.rand.nextFloat(),
 //								target.posZ + target.width * (target.world.rand.nextFloat() - 0.5f))
 //								.face(EnumFacing.EAST).clr(0.8f, 0.9f, 1).spawn(target.world);
 //					}
@@ -87,7 +87,7 @@ public class PotionContainment extends PotionMagicEffect {
 //					for(int i = 0; i < 20; i++){
 //						ParticleBuilder.create(ParticleBuilder.Type.DUST).pos(
 //								target.posX + target.width * (target.world.rand.nextFloat() - 0.5f),
-//								target.getEntityBoundingBox().minY + target.height * target.world.rand.nextFloat(),
+//								target.posY + target.height * target.world.rand.nextFloat(),
 //								z)
 //								.face(EnumFacing.SOUTH).clr(0.8f, 0.9f, 1).spawn(target.world);
 //					}
diff --git a/src/main/java/electroblob/wizardry/spell/Arc.java b/src/main/java/electroblob/wizardry/spell/Arc.java
index 5fe363a0..1e429106 100644
--- a/src/main/java/electroblob/wizardry/spell/Arc.java
+++ b/src/main/java/electroblob/wizardry/spell/Arc.java
@@ -31,7 +31,7 @@ public class Arc extends SpellRay {
 				// Rather neatly, the entity can be set here and if it's null nothing will happen.
 				ParticleBuilder.create(Type.LIGHTNING).entity(caster)
 				.pos(caster != null ? origin.subtract(caster.getPositionVector()) : origin).target(target).spawn(world);
-				ParticleBuilder.spawnShockParticles(world, target.posX, target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+				ParticleBuilder.spawnShockParticles(world, target.posX, target.posY + target.height/2, target.posZ);
 			}
 	
 			// This is a lot neater than it was, thanks to the damage type system.
diff --git a/src/main/java/electroblob/wizardry/spell/ArcaneJammer.java b/src/main/java/electroblob/wizardry/spell/ArcaneJammer.java
index 4f5b9e11..eac89a9a 100644
--- a/src/main/java/electroblob/wizardry/spell/ArcaneJammer.java
+++ b/src/main/java/electroblob/wizardry/spell/ArcaneJammer.java
@@ -109,7 +109,7 @@ public class ArcaneJammer extends SpellRay {
 
 			if(event.getWorld().isRemote){
 
-				Vec3d centre = event.getCaster().getPositionEyes(0).add(event.getCaster().getLookVec());
+				Vec3d centre = event.getCaster().getPositionEyes(1).add(event.getCaster().getLookVec());
 
 				for(int i = 0; i < 5; i++){
 					double x = centre.x + 0.5f * (event.getWorld().rand.nextFloat() - 0.5f);
diff --git a/src/main/java/electroblob/wizardry/spell/Banish.java b/src/main/java/electroblob/wizardry/spell/Banish.java
index 2f4c2e19..01281224 100644
--- a/src/main/java/electroblob/wizardry/spell/Banish.java
+++ b/src/main/java/electroblob/wizardry/spell/Banish.java
@@ -68,13 +68,13 @@ public class Banish extends SpellRay {
 		int x = MathHelper.floor(entity.posX + MathHelper.sin(angle) * radius);
 		int z = MathHelper.floor(entity.posZ - MathHelper.cos(angle) * radius);
 		Integer y = BlockUtils.getNearestFloor(world,
-				new BlockPos(x, (int)entity.getEntityBoundingBox().minY, z), (int)radius);
+				new BlockPos(x, (int)entity.posY, z), (int)radius);
 
 		if(world.isRemote){
 
 			for(int i=0; i<10; i++){
 				double dx1 = entity.posX;
-				double dy1 = entity.getEntityBoundingBox().minY + entity.height * world.rand.nextFloat();
+				double dy1 = entity.posY + entity.height * world.rand.nextFloat();
 				double dz1 = entity.posZ;
 				world.spawnParticle(EnumParticleTypes.PORTAL, dx1, dy1, dz1, world.rand.nextDouble() - 0.5,
 						world.rand.nextDouble() - 0.5, world.rand.nextDouble() - 0.5);
diff --git a/src/main/java/electroblob/wizardry/spell/Blink.java b/src/main/java/electroblob/wizardry/spell/Blink.java
index e45cb59d..1092a250 100644
--- a/src/main/java/electroblob/wizardry/spell/Blink.java
+++ b/src/main/java/electroblob/wizardry/spell/Blink.java
@@ -41,7 +41,7 @@ public class Blink extends Spell {
 		if(world.isRemote){
 			for(int i = 0; i < 10; i++){
 				double dx = caster.posX;
-				double dy = caster.getEntityBoundingBox().minY + 2 * world.rand.nextFloat();
+				double dy = caster.posY + 2 * world.rand.nextFloat();
 				double dz = caster.posZ;
 				// For portal particles, velocity is not velocity but the offset where they start, then drift to
 				// the actual position given.
@@ -80,7 +80,7 @@ public class Blink extends Spell {
 
 		float angle = (float)(Math.atan2(target.posZ - caster.posZ, target.posX - caster.posX)
 				+ world.rand.nextDouble() * Math.PI);
-		double radius = caster.getDistance(target.posX, target.getEntityBoundingBox().minY, target.posZ)
+		double radius = caster.getDistance(target.posX, target.posY, target.posZ)
 				+ world.rand.nextDouble() * 3.0d;
 
 		int x = MathHelper.floor(target.posX + MathHelper.sin(angle) * radius);
@@ -94,7 +94,7 @@ public class Blink extends Spell {
 		if(world.isRemote){
 			for(int i = 0; i < 10; i++){
 				double dx1 = caster.posX;
-				double dy1 = caster.getEntityBoundingBox().minY + caster.height * world.rand.nextFloat();
+				double dy1 = caster.posY + caster.height * world.rand.nextFloat();
 				double dz1 = caster.posZ;
 				world.spawnParticle(EnumParticleTypes.PORTAL, dx1, dy1, dz1, world.rand.nextDouble() - 0.5,
 						world.rand.nextDouble() - 0.5, world.rand.nextDouble() - 0.5);
diff --git a/src/main/java/electroblob/wizardry/spell/ChainLightning.java b/src/main/java/electroblob/wizardry/spell/ChainLightning.java
index e6340381..b0fba78a 100644
--- a/src/main/java/electroblob/wizardry/spell/ChainLightning.java
+++ b/src/main/java/electroblob/wizardry/spell/ChainLightning.java
@@ -110,7 +110,7 @@ public class ChainLightning extends SpellRay {
 			ParticleBuilder.create(Type.LIGHTNING).entity(caster)
 			.pos(caster != null ? origin.subtract(caster.getPositionVector()) : origin).target(target).spawn(world);
 			
-			ParticleBuilder.spawnShockParticles(world, target.posX, target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+			ParticleBuilder.spawnShockParticles(world, target.posX, target.posY + target.height/2, target.posZ);
 		}
 
 		//target.playSound(WizardrySounds.SPELL_SPARK, 1, 1.5f + 0.4f * world.rand.nextFloat());
diff --git a/src/main/java/electroblob/wizardry/spell/Divination.java b/src/main/java/electroblob/wizardry/spell/Divination.java
index 78d6421f..e2182493 100644
--- a/src/main/java/electroblob/wizardry/spell/Divination.java
+++ b/src/main/java/electroblob/wizardry/spell/Divination.java
@@ -84,7 +84,7 @@ public class Divination extends Spell {
 			BlockPos target = sphere.get(sphere.size() - 1);
 
 			direction = EnumFacing.getFacingFromVector((float)(target.getX() + 0.5 - caster.posX),
-					(float)(target.getY() + 0.5 - (caster.getEntityBoundingBox().minY + caster.getEyeHeight())),
+					(float)(target.getY() + 0.5 - (caster.posY + caster.getEyeHeight())),
 					(float)(target.getZ() + 0.5 - caster.posZ));
 
 			strength = Strength.forWeight(calculateWeight(world, caster, target, range, modifiers));
diff --git a/src/main/java/electroblob/wizardry/spell/DragonFireball.java b/src/main/java/electroblob/wizardry/spell/DragonFireball.java
index c1323866..8732f205 100644
--- a/src/main/java/electroblob/wizardry/spell/DragonFireball.java
+++ b/src/main/java/electroblob/wizardry/spell/DragonFireball.java
@@ -61,7 +61,7 @@ public class DragonFireball extends Spell {
 				EntityDragonFireball fireball = new EntityDragonFireball(world, caster, 1, 1, 1);
 
 				double dx = target.posX - caster.posX;
-				double dy = target.getEntityBoundingBox().minY + (double)(target.height / 2.0F)
+				double dy = target.posY + (double)(target.height / 2.0F)
 						- (caster.posY + (double)(caster.height / 2.0F));
 				double dz = target.posZ - caster.posZ;
 
diff --git a/src/main/java/electroblob/wizardry/spell/Fangs.java b/src/main/java/electroblob/wizardry/spell/Fangs.java
index a0bf2fb1..f9a84313 100644
--- a/src/main/java/electroblob/wizardry/spell/Fangs.java
+++ b/src/main/java/electroblob/wizardry/spell/Fangs.java
@@ -41,7 +41,7 @@ public class Fangs extends Spell {
 
 	@Override
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
-		if(!spawnFangs(world, new Vec3d(caster.posX, caster.getEntityBoundingBox().minY, caster.posZ),
+		if(!spawnFangs(world, caster.getPositionVector(),
 				GeometryUtils.replaceComponent(caster.getLookVec(), Axis.Y, 0).normalize(), caster, modifiers)) return false;
 		this.playSound(world, caster, ticksInUse, -1, modifiers);
 		return true;
diff --git a/src/main/java/electroblob/wizardry/spell/Firestorm.java b/src/main/java/electroblob/wizardry/spell/Firestorm.java
index 50362eaa..769405e7 100644
--- a/src/main/java/electroblob/wizardry/spell/Firestorm.java
+++ b/src/main/java/electroblob/wizardry/spell/Firestorm.java
@@ -3,12 +3,9 @@ package electroblob.wizardry.spell;
 import electroblob.wizardry.client.DrawingUtils;
 import electroblob.wizardry.item.SpellActions;
 import electroblob.wizardry.registry.WizardryItems;
-import electroblob.wizardry.util.BlockUtils;
+import electroblob.wizardry.util.*;
 import electroblob.wizardry.util.BlockUtils.SurfaceCriteria;
-import electroblob.wizardry.util.EntityUtils;
-import electroblob.wizardry.util.ParticleBuilder;
 import electroblob.wizardry.util.ParticleBuilder.Type;
-import electroblob.wizardry.util.SpellModifiers;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
@@ -32,7 +29,7 @@ public class Firestorm extends SpellAreaEffect {
 
 	@Override
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
-		burnNearbyBlocks(world, new Vec3d(caster.posX, caster.getEntityBoundingBox().minY, caster.posZ), caster, modifiers);
+		burnNearbyBlocks(world, caster.getPositionVector(), caster, modifiers);
 		return super.cast(world, caster, hand, ticksInUse, modifiers);
 	}
 
diff --git a/src/main/java/electroblob/wizardry/spell/FlamingAxe.java b/src/main/java/electroblob/wizardry/spell/FlamingAxe.java
index 1f87a883..732c86d5 100644
--- a/src/main/java/electroblob/wizardry/spell/FlamingAxe.java
+++ b/src/main/java/electroblob/wizardry/spell/FlamingAxe.java
@@ -18,7 +18,7 @@ public class FlamingAxe extends SpellConjuration {
 		
 		for(int i=0; i<10; i++){
 			double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 			world.spawnParticle(EnumParticleTypes.FLAME, x, y, z, 0, 0, 0);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/FlamingWeapon.java b/src/main/java/electroblob/wizardry/spell/FlamingWeapon.java
index 1a02fa3b..03c52e6a 100644
--- a/src/main/java/electroblob/wizardry/spell/FlamingWeapon.java
+++ b/src/main/java/electroblob/wizardry/spell/FlamingWeapon.java
@@ -46,7 +46,7 @@ public class FlamingWeapon extends Spell {
 					if(world.isRemote){
 						for(int i=0; i<10; i++){
 							double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-							double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+							double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 							double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 							ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.9f, 0.7f, 1).spawn(world);
 						}
diff --git a/src/main/java/electroblob/wizardry/spell/Flight.java b/src/main/java/electroblob/wizardry/spell/Flight.java
index 175070e7..4826ca53 100644
--- a/src/main/java/electroblob/wizardry/spell/Flight.java
+++ b/src/main/java/electroblob/wizardry/spell/Flight.java
@@ -46,11 +46,11 @@ public class Flight extends Spell {
 		
 		if(world.isRemote){
 			double x = caster.posX - 1 + world.rand.nextDouble() * 2;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ - 1 + world.rand.nextDouble() * 2;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, -0.1, 0).time(15).clr(0.8f, 1, 0.5f).spawn(world);
 			x = caster.posX - 1 + world.rand.nextDouble() * 2;
-			y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			z = caster.posZ - 1 + world.rand.nextDouble() * 2;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, -0.1, 0).time(15).clr(1f, 1f, 1f).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/FreezingWeapon.java b/src/main/java/electroblob/wizardry/spell/FreezingWeapon.java
index 753c7add..c22cc6a2 100644
--- a/src/main/java/electroblob/wizardry/spell/FreezingWeapon.java
+++ b/src/main/java/electroblob/wizardry/spell/FreezingWeapon.java
@@ -52,7 +52,7 @@ public class FreezingWeapon extends Spell {
 					if(world.isRemote){
 						for(int i=0; i<10; i++){
 							double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-							double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+							double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 							double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 							ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.9f, 0.7f, 1).spawn(world);
 						}
diff --git a/src/main/java/electroblob/wizardry/spell/FrostAxe.java b/src/main/java/electroblob/wizardry/spell/FrostAxe.java
index 054b77f7..ee3d6fb0 100644
--- a/src/main/java/electroblob/wizardry/spell/FrostAxe.java
+++ b/src/main/java/electroblob/wizardry/spell/FrostAxe.java
@@ -19,7 +19,7 @@ public class FrostAxe extends SpellConjuration {
 		
 		for(int i=0; i<10; i++){
 			double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 			ParticleBuilder.create(Type.SNOW).pos(x, y, z).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/Glide.java b/src/main/java/electroblob/wizardry/spell/Glide.java
index 4551c6d7..17d4ff62 100644
--- a/src/main/java/electroblob/wizardry/spell/Glide.java
+++ b/src/main/java/electroblob/wizardry/spell/Glide.java
@@ -57,11 +57,11 @@ public class Glide extends Spell {
 
 		if(world.isRemote){
 			double x = caster.posX - 0.25 + world.rand.nextDouble() / 2;
-			double y = caster.getEntityBoundingBox().minY + world.rand.nextDouble();
+			double y = caster.posY + world.rand.nextDouble();
 			double z = caster.posZ - 0.25 + world.rand.nextDouble() / 2;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, -0.1, 0).time(15).clr(1f, 1f, 1f).spawn(world);
 			x = caster.posX - 0.25 + world.rand.nextDouble() / 2;
-			y = caster.getEntityBoundingBox().minY + world.rand.nextDouble();
+			y = caster.posY + world.rand.nextDouble();
 			z = caster.posZ - 0.25 + world.rand.nextDouble() / 2;
 			ParticleBuilder.create(Type.LEAF).pos(x, y, z).time(20).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/Grapple.java b/src/main/java/electroblob/wizardry/spell/Grapple.java
index 012ecdd1..38c7f61d 100644
--- a/src/main/java/electroblob/wizardry/spell/Grapple.java
+++ b/src/main/java/electroblob/wizardry/spell/Grapple.java
@@ -75,7 +75,7 @@ public class Grapple extends Spell {
 
 		WizardData data = WizardData.get(caster);
 
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight(), caster.posZ);
+		Vec3d origin = caster.getPositionEyes(1);
 
 		float extensionSpeed = getProperty(EXTENSION_SPEED).floatValue() * modifiers.get(SpellModifiers.POTENCY);
 
@@ -98,7 +98,7 @@ public class Grapple extends Spell {
 		if(hit.entityHit instanceof EntityLivingBase){
 			// If the target is an entity, we need to use the entity's centre rather than the original hit position
 			// because the entity will have moved!
-			target = new Vec3d(hit.entityHit.posX, hit.entityHit.getEntityBoundingBox().minY + hit.entityHit.height/2, hit.entityHit.posZ);
+			target = GeometryUtils.getCentre(hit.entityHit);
 		}
 
 		double distance = origin.distanceTo(target);
@@ -209,11 +209,11 @@ public class Grapple extends Spell {
 
 		if(target == null) return false;
 
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight(), caster.posZ);
+		Vec3d origin = caster.getPositionEyes(1);
 
 		// If the target is an entity, we need to use the entity's centre rather than the original hit position
 		// because the entity will have moved!
-		Vec3d targetVec = new Vec3d(target.posX, target.getEntityBoundingBox().minY + target.height/2, target.posZ);
+		Vec3d targetVec = GeometryUtils.getCentre(target);
 
 		RayTraceResult hit = findTarget(world, caster, origin, targetVec.subtract(origin).normalize(), modifiers);
 
@@ -284,7 +284,7 @@ public class Grapple extends Spell {
 
 			// If the target is an entity, we need to use the entity's centre rather than the original hit position
 			// because the entity will have moved!
-			Vec3d target = new Vec3d(entity.posX, entity.getEntityBoundingBox().minY + entity.height/2, entity.posZ);
+			Vec3d target = GeometryUtils.getCentre(entity);
 
 			double distance = origin.distanceTo(target);
 			Vec3d vec = target.subtract(origin).normalize();
@@ -344,7 +344,7 @@ public class Grapple extends Spell {
 
 		if(caster != null){
 
-			origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight(), caster.posZ);
+			origin = caster.getPositionEyes(1);
 
 			if(caster instanceof EntityPlayer){
 				WizardData data = WizardData.get((EntityPlayer)caster);
@@ -354,7 +354,7 @@ public class Grapple extends Spell {
 				}
 			}else if(caster instanceof EntityLiving){
 				Entity entity = ((EntityLiving)caster).getAttackTarget();
-				if(entity != null) target = new Vec3d(entity.posX, entity.getEntityBoundingBox().minY + entity.height/2, entity.posZ);
+				if(entity != null) target = GeometryUtils.getCentre(entity);
 			}
 
 			if(target != null) direction = target.subtract(origin).normalize();
diff --git a/src/main/java/electroblob/wizardry/spell/IceAge.java b/src/main/java/electroblob/wizardry/spell/IceAge.java
index 544038d1..29dc43d9 100644
--- a/src/main/java/electroblob/wizardry/spell/IceAge.java
+++ b/src/main/java/electroblob/wizardry/spell/IceAge.java
@@ -6,11 +6,8 @@ import electroblob.wizardry.registry.WizardryBlocks;
 import electroblob.wizardry.registry.WizardryItems;
 import electroblob.wizardry.registry.WizardryPotions;
 import electroblob.wizardry.registry.WizardrySounds;
-import electroblob.wizardry.util.BlockUtils;
-import electroblob.wizardry.util.EntityUtils;
-import electroblob.wizardry.util.ParticleBuilder;
+import electroblob.wizardry.util.*;
 import electroblob.wizardry.util.ParticleBuilder.Type;
-import electroblob.wizardry.util.SpellModifiers;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
@@ -36,7 +33,7 @@ public class IceAge extends SpellAreaEffect {
 
 	@Override
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
-		freezeNearbyBlocks(world, new Vec3d(caster.posX, caster.getEntityBoundingBox().minY, caster.posZ), caster, modifiers);
+		freezeNearbyBlocks(world, caster.getPositionVector(), caster, modifiers);
 		return super.cast(world, caster, hand, ticksInUse, modifiers);
 	}
 
diff --git a/src/main/java/electroblob/wizardry/spell/ImbueWeapon.java b/src/main/java/electroblob/wizardry/spell/ImbueWeapon.java
index 55e71787..a1e8d13f 100644
--- a/src/main/java/electroblob/wizardry/spell/ImbueWeapon.java
+++ b/src/main/java/electroblob/wizardry/spell/ImbueWeapon.java
@@ -65,7 +65,7 @@ public class ImbueWeapon extends Spell {
 				if(world.isRemote){
 					for(int i=0; i<10; i++){
 						double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-						double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+						double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 						double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 						ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.9f, 0.7f, 1).spawn(world);
 					}
diff --git a/src/main/java/electroblob/wizardry/spell/Intimidate.java b/src/main/java/electroblob/wizardry/spell/Intimidate.java
index 67fed76d..6b6bd101 100644
--- a/src/main/java/electroblob/wizardry/spell/Intimidate.java
+++ b/src/main/java/electroblob/wizardry/spell/Intimidate.java
@@ -66,7 +66,7 @@ public class Intimidate extends SpellAreaEffect {
 	@Override
 	protected void spawnParticleEffect(World world, Vec3d origin, double radius, @Nullable EntityLivingBase caster, SpellModifiers modifiers){
 
-		if(caster != null) origin = caster.getPositionEyes(0);
+		if(caster != null) origin = caster.getPositionEyes(1);
 
 		for(int i = 0; i < 30; i++){
 			double x = origin.x - 1 + world.rand.nextDouble() * 2;
diff --git a/src/main/java/electroblob/wizardry/spell/InvokeWeather.java b/src/main/java/electroblob/wizardry/spell/InvokeWeather.java
index 45b711dc..1d35e879 100644
--- a/src/main/java/electroblob/wizardry/spell/InvokeWeather.java
+++ b/src/main/java/electroblob/wizardry/spell/InvokeWeather.java
@@ -54,7 +54,7 @@ public class InvokeWeather extends Spell {
 			if(world.isRemote){
 				for(int i = 0; i < 10; i++){
 					double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-					double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+					double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 					double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 					ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.5f, 0.7f, 1).spawn(world);
 				}
diff --git a/src/main/java/electroblob/wizardry/spell/Leap.java b/src/main/java/electroblob/wizardry/spell/Leap.java
index 16b69acc..05a6c255 100644
--- a/src/main/java/electroblob/wizardry/spell/Leap.java
+++ b/src/main/java/electroblob/wizardry/spell/Leap.java
@@ -30,7 +30,7 @@ public class Leap extends Spell {
 			if(world.isRemote){
 				for(int i = 0; i < 10; i++){
 					double x = caster.posX + world.rand.nextFloat() - 0.5F;
-					double y = caster.getEntityBoundingBox().minY;
+					double y = caster.posY;
 					double z = caster.posZ + world.rand.nextFloat() - 0.5F;
 					world.spawnParticle(EnumParticleTypes.CLOUD, x, y, z, 0, 0, 0);
 				}
diff --git a/src/main/java/electroblob/wizardry/spell/Levitation.java b/src/main/java/electroblob/wizardry/spell/Levitation.java
index 2d08335d..bafa7555 100644
--- a/src/main/java/electroblob/wizardry/spell/Levitation.java
+++ b/src/main/java/electroblob/wizardry/spell/Levitation.java
@@ -47,7 +47,7 @@ public class Levitation extends Spell {
 
 		if(world.isRemote){
 			double x = caster.posX - 0.25 + world.rand.nextDouble() * 0.5;
-			double y = caster.getEntityBoundingBox().minY;
+			double y = caster.getPositionEyes(1).y;
 			double z = caster.posZ - 0.25 + world.rand.nextDouble() * 0.5;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, -0.1, 0).time(15).clr(0.5f, 1, 0.7f).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/LightningPulse.java b/src/main/java/electroblob/wizardry/spell/LightningPulse.java
index 0e84131a..b4f7341f 100644
--- a/src/main/java/electroblob/wizardry/spell/LightningPulse.java
+++ b/src/main/java/electroblob/wizardry/spell/LightningPulse.java
@@ -70,7 +70,7 @@ public class LightningPulse extends Spell {
 			}
 			
 			if(world.isRemote){
-				ParticleBuilder.create(Type.LIGHTNING_PULSE).pos(caster.posX, caster.getEntityBoundingBox().minY
+				ParticleBuilder.create(Type.LIGHTNING_PULSE).pos(caster.posX, caster.posY
 						+ GeometryUtils.ANTI_Z_FIGHTING_OFFSET, caster.posZ)
 				.scale(modifiers.get(WizardryItems.blast_upgrade)).spawn(world);
 			}
diff --git a/src/main/java/electroblob/wizardry/spell/MindControl.java b/src/main/java/electroblob/wizardry/spell/MindControl.java
index 7278e626..2417fa79 100644
--- a/src/main/java/electroblob/wizardry/spell/MindControl.java
+++ b/src/main/java/electroblob/wizardry/spell/MindControl.java
@@ -85,10 +85,10 @@ public class MindControl extends SpellRay {
 				
 				for(int i=0; i<10; i++){
 					ParticleBuilder.create(Type.DARK_MAGIC, world.rand, target.posX,
-							target.getEntityBoundingBox().minY + target.getEyeHeight(), target.posZ, 0.25, false)
+							target.posY + target.getEyeHeight(), target.posZ, 0.25, false)
 					.clr(0.8f, 0.2f, 1.0f).spawn(world);
 					ParticleBuilder.create(Type.DARK_MAGIC, world.rand, target.posX,
-							target.getEntityBoundingBox().minY + target.getEyeHeight(), target.posZ, 0.25, false)
+							target.posY + target.getEyeHeight(), target.posZ, 0.25, false)
 					.clr(0.2f, 0.04f, 0.25f).spawn(world);
 				}
 			}
diff --git a/src/main/java/electroblob/wizardry/spell/MindTrick.java b/src/main/java/electroblob/wizardry/spell/MindTrick.java
index 3e6902a4..80b62722 100644
--- a/src/main/java/electroblob/wizardry/spell/MindTrick.java
+++ b/src/main/java/electroblob/wizardry/spell/MindTrick.java
@@ -53,7 +53,7 @@ public class MindTrick extends SpellRay {
 			}else{
 				for(int i=0; i<10; i++){
 					ParticleBuilder.create(Type.DARK_MAGIC, world.rand, target.posX,
-							target.getEntityBoundingBox().minY + target.getEyeHeight(), target.posZ, 0.25, false)
+							target.posY + target.getEyeHeight(), target.posZ, 0.25, false)
 					.clr(0.8f, 0.2f, 1.0f).spawn(world);
 				}
 			}
diff --git a/src/main/java/electroblob/wizardry/spell/PhaseStep.java b/src/main/java/electroblob/wizardry/spell/PhaseStep.java
index 9c521bc4..b6cf0b8d 100644
--- a/src/main/java/electroblob/wizardry/spell/PhaseStep.java
+++ b/src/main/java/electroblob/wizardry/spell/PhaseStep.java
@@ -42,7 +42,7 @@ public class PhaseStep extends Spell {
 
 			for(int i = 0; i < 10; i++){
 				double dx1 = caster.posX;
-				double dy1 = caster.getEntityBoundingBox().minY + 2 * world.rand.nextFloat();
+				double dy1 = caster.posY + 2 * world.rand.nextFloat();
 				double dz1 = caster.posZ;
 				world.spawnParticle(EnumParticleTypes.PORTAL, dx1, dy1, dz1, world.rand.nextDouble() - 0.5,
 						world.rand.nextDouble() - 0.5, world.rand.nextDouble() - 0.5);
diff --git a/src/main/java/electroblob/wizardry/spell/PocketFurnace.java b/src/main/java/electroblob/wizardry/spell/PocketFurnace.java
index 6ea2c329..2663056c 100644
--- a/src/main/java/electroblob/wizardry/spell/PocketFurnace.java
+++ b/src/main/java/electroblob/wizardry/spell/PocketFurnace.java
@@ -68,7 +68,7 @@ public class PocketFurnace extends Spell {
 		if(world.isRemote){
 			for(int i = 0; i < 10; i++){
 				double x1 = (double)((float)caster.posX + world.rand.nextFloat() * 2 - 1.0F);
-				double y1 = (double)((float)caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5F + world.rand.nextFloat());
+				double y1 = (double)((float)caster.posY + caster.getEyeHeight() - 0.5F + world.rand.nextFloat());
 				double z1 = (double)((float)caster.posZ + world.rand.nextFloat() * 2 - 1.0F);
 				world.spawnParticle(EnumParticleTypes.FLAME, x1, y1, z1, 0, 0.01F, 0);
 			}
diff --git a/src/main/java/electroblob/wizardry/spell/Possession.java b/src/main/java/electroblob/wizardry/spell/Possession.java
index b9f6e1ba..1c4cdcb2 100644
--- a/src/main/java/electroblob/wizardry/spell/Possession.java
+++ b/src/main/java/electroblob/wizardry/spell/Possession.java
@@ -140,7 +140,7 @@ public class Possession extends SpellRay {
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
 
 		Vec3d look = caster.getLookVec();
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
+		Vec3d origin = new Vec3d(caster.posX, caster.posY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
 
 		if(!shootSpell(world, origin, look, caster, ticksInUse, modifiers)) return false;
 
diff --git a/src/main/java/electroblob/wizardry/spell/RemoveCurse.java b/src/main/java/electroblob/wizardry/spell/RemoveCurse.java
index 927d0b3a..83211128 100644
--- a/src/main/java/electroblob/wizardry/spell/RemoveCurse.java
+++ b/src/main/java/electroblob/wizardry/spell/RemoveCurse.java
@@ -43,7 +43,7 @@ public class RemoveCurse extends SpellBuff {
 
 		for(int i = 0; i < particleCount*2; i++){
 			double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.14, 0).clr(0x0f001b)
 					.time(20 + world.rand.nextInt(12)).spawn(world);
diff --git a/src/main/java/electroblob/wizardry/spell/ShadowWard.java b/src/main/java/electroblob/wizardry/spell/ShadowWard.java
index d3fec9e7..5a8b5290 100644
--- a/src/main/java/electroblob/wizardry/spell/ShadowWard.java
+++ b/src/main/java/electroblob/wizardry/spell/ShadowWard.java
@@ -50,7 +50,7 @@ public class ShadowWard extends Spell {
 			double dx = -1 + 2 * world.rand.nextFloat();
 			double dy = -1 + world.rand.nextFloat();
 			double dz = -1 + 2 * world.rand.nextFloat();
-			world.spawnParticle(EnumParticleTypes.PORTAL, caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight(), caster.posZ, dx, dy, dz);
+			world.spawnParticle(EnumParticleTypes.PORTAL, caster.posX, caster.posY + caster.getEyeHeight(), caster.posZ, dx, dy, dz);
 		}
 
 		if(ticksInUse % 50 == 0){
diff --git a/src/main/java/electroblob/wizardry/spell/Shockwave.java b/src/main/java/electroblob/wizardry/spell/Shockwave.java
index e5bee7e8..e710351f 100644
--- a/src/main/java/electroblob/wizardry/spell/Shockwave.java
+++ b/src/main/java/electroblob/wizardry/spell/Shockwave.java
@@ -70,7 +70,7 @@ public class Shockwave extends SpellAreaEffect {
 			double velocityFactor = proximity * getProperty(MAX_REPULSION_VELOCITY).floatValue();
 
 			double dx = target.posX - origin.x;
-			double dy = target.getEntityBoundingBox().minY + 1 - origin.y;
+			double dy = target.posY + 1 - origin.y;
 			double dz = target.posZ - origin.z;
 
 			target.motionX = velocityFactor * dx;
diff --git a/src/main/java/electroblob/wizardry/spell/SpectralPathway.java b/src/main/java/electroblob/wizardry/spell/SpectralPathway.java
index f86b3291..e09d6068 100644
--- a/src/main/java/electroblob/wizardry/spell/SpectralPathway.java
+++ b/src/main/java/electroblob/wizardry/spell/SpectralPathway.java
@@ -46,7 +46,7 @@ public class SpectralPathway extends Spell {
 
 			// Gets the coordinates of the nearest block intersection to the player's feet.
 			// Remember that a block always takes the coordinates of its northwestern corner.
-			BlockPos origin = new BlockPos(Math.round(caster.posX), (int)caster.getEntityBoundingBox().minY - 1,
+			BlockPos origin = new BlockPos(Math.round(caster.posX), (int)caster.posY - 1,
 					Math.round(caster.posZ));
 
 			int startPoint = direction.getAxisDirection() == AxisDirection.POSITIVE ? -1 : 0;
diff --git a/src/main/java/electroblob/wizardry/spell/SpeedTime.java b/src/main/java/electroblob/wizardry/spell/SpeedTime.java
index 0882bafd..3215c544 100644
--- a/src/main/java/electroblob/wizardry/spell/SpeedTime.java
+++ b/src/main/java/electroblob/wizardry/spell/SpeedTime.java
@@ -108,7 +108,7 @@ public class SpeedTime extends Spell {
 
 				double particleSpread = 2;
 				double x = caster.posX + 2;
-				double y = caster.getEntityBoundingBox().minY + caster.height / 2;
+				double y = caster.posY + caster.height / 2;
 				double z = caster.posZ;
 
 				ParticleBuilder.create(ParticleBuilder.Type.SPARKLE, world.rand, x, y, z, particleSpread, false)
diff --git a/src/main/java/electroblob/wizardry/spell/SpellAreaEffect.java b/src/main/java/electroblob/wizardry/spell/SpellAreaEffect.java
index c1c12d32..abb46500 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellAreaEffect.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellAreaEffect.java
@@ -4,6 +4,7 @@ import electroblob.wizardry.Wizardry;
 import electroblob.wizardry.registry.WizardryItems;
 import electroblob.wizardry.util.AllyDesignationSystem;
 import electroblob.wizardry.util.EntityUtils;
+import electroblob.wizardry.util.GeometryUtils;
 import electroblob.wizardry.util.SpellModifiers;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityLivingBase;
@@ -104,7 +105,7 @@ public abstract class SpellAreaEffect extends Spell {
 
 	@Override
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
-		boolean result = findAndAffectEntities(world, new Vec3d(caster.posX, caster.getEntityBoundingBox().minY, caster.posZ),
+		boolean result = findAndAffectEntities(world, caster.getPositionVector(),
 				caster, ticksInUse, modifiers);
 		if(result) this.playSound(world, caster, ticksInUse, -1, modifiers);
 		return result;
diff --git a/src/main/java/electroblob/wizardry/spell/SpellBuff.java b/src/main/java/electroblob/wizardry/spell/SpellBuff.java
index b39e1549..7c08374a 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellBuff.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellBuff.java
@@ -195,7 +195,7 @@ public class SpellBuff extends Spell {
 		
 		for(int i = 0; i < particleCount; i++){
 			double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(r, g, b).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/SpellConjuration.java b/src/main/java/electroblob/wizardry/spell/SpellConjuration.java
index 57aa98e6..55eed416 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellConjuration.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellConjuration.java
@@ -70,7 +70,7 @@ public class SpellConjuration extends Spell {
 		
 		for(int i=0; i<10; i++){
 			double x = caster.posX + world.rand.nextDouble() * 2 - 1;
-			double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = caster.posY + caster.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = caster.posZ + world.rand.nextDouble() * 2 - 1;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(0.7f, 0.9f, 1).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/spell/SpellConstructRanged.java b/src/main/java/electroblob/wizardry/spell/SpellConstructRanged.java
index aa788087..5422b364 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellConstructRanged.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellConstructRanged.java
@@ -109,7 +109,7 @@ public class SpellConstructRanged<T extends EntityMagicConstruct> extends SpellC
 				Vec3d look = caster.getLookVec();
 				
 				double x = caster.posX + look.x * range;
-				double y = caster.getEntityBoundingBox().minY + caster.getEyeHeight() + look.y * range;
+				double y = caster.posY + caster.getEyeHeight() + look.y * range;
 				double z = caster.posZ + look.z * range;
 				
 				if(!spawnConstruct(world, x, y, z, null, caster, modifiers)) return false;
@@ -128,7 +128,7 @@ public class SpellConstructRanged<T extends EntityMagicConstruct> extends SpellC
 			SpellModifiers modifiers){
 
 		double range = getProperty(RANGE).doubleValue() * modifiers.get(WizardryItems.range_upgrade);
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight(), caster.posZ);
+		Vec3d origin = caster.getPositionEyes(1);
 
 		if(target != null && caster.getDistance(target) <= range){
 
diff --git a/src/main/java/electroblob/wizardry/spell/SpellRay.java b/src/main/java/electroblob/wizardry/spell/SpellRay.java
index 78c6c927..db02b2f0 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellRay.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellRay.java
@@ -160,7 +160,7 @@ public abstract class SpellRay extends Spell {
 	public boolean cast(World world, EntityPlayer caster, EnumHand hand, int ticksInUse, SpellModifiers modifiers){
 		
 		Vec3d look = caster.getLookVec();
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
+		Vec3d origin = new Vec3d(caster.posX, caster.posY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
 		if(!this.isContinuous && world.isRemote && !Wizardry.proxy.isFirstPerson(caster)){
 			origin = origin.add(look.scale(1.2));
 		}
@@ -175,16 +175,16 @@ public abstract class SpellRay extends Spell {
 	@Override
 	public boolean cast(World world, EntityLiving caster, EnumHand hand, int ticksInUse, EntityLivingBase target, SpellModifiers modifiers){
 		// IDEA: Add in an aiming error and trigger onMiss accordingly
-		Vec3d origin = new Vec3d(caster.posX, caster.getEntityBoundingBox().minY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
+		Vec3d origin = new Vec3d(caster.posX, caster.posY + caster.getEyeHeight() - Y_OFFSET, caster.posZ);
 		Vec3d targetPos = null;
 
 		if(!ignoreLivingEntities || !EntityUtils.isLiving(target)){
-			targetPos = new Vec3d(target.posX, target.getEntityBoundingBox().minY + target.height / 2, target.posZ);
+			targetPos = new Vec3d(target.posX, target.posY + target.height / 2, target.posZ);
 
 		}else{
 
 			int x = MathHelper.floor(target.posX);
-			int y = (int)target.getEntityBoundingBox().minY - 1; // -1 because we need the block under the target
+			int y = (int)target.posY - 1; // -1 because we need the block under the target
 			int z = MathHelper.floor(target.posZ);
 			BlockPos pos = new BlockPos(x, y, z);
 
diff --git a/src/main/java/electroblob/wizardry/spell/SpellThrowable.java b/src/main/java/electroblob/wizardry/spell/SpellThrowable.java
index dcd8752d..1cdb0bf6 100644
--- a/src/main/java/electroblob/wizardry/spell/SpellThrowable.java
+++ b/src/main/java/electroblob/wizardry/spell/SpellThrowable.java
@@ -127,10 +127,10 @@ public class SpellThrowable<T extends EntityThrowable> extends Spell {
 
 		throwable.ignoreEntity = caster;
 
-		throwable.posY = caster.getEntityBoundingBox().minY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
+		throwable.posY = caster.posY + (double)caster.getEyeHeight() - LAUNCH_Y_OFFSET;
 		double dx = target.posX - caster.posX;
-		double dy = !throwable.hasNoGravity() ? target.getEntityBoundingBox().minY + (double)(target.height / 3.0f) - throwable.posY
-				: target.getEntityBoundingBox().minY + (double)(target.height / 2.0f) - throwable.posY;
+		double dy = !throwable.hasNoGravity() ? target.posY + (double)(target.height / 3.0f) - throwable.posY
+				: target.posY + (double)(target.height / 2.0f) - throwable.posY;
 		double dz = target.posZ - caster.posZ;
 		double horizontalDistance = MathHelper.sqrt(dx * dx + dz * dz);
 
diff --git a/src/main/java/electroblob/wizardry/spell/Thunderstorm.java b/src/main/java/electroblob/wizardry/spell/Thunderstorm.java
index 732cbbe0..a0feef28 100644
--- a/src/main/java/electroblob/wizardry/spell/Thunderstorm.java
+++ b/src/main/java/electroblob/wizardry/spell/Thunderstorm.java
@@ -89,7 +89,7 @@ public class Thunderstorm extends Spell {
 								ParticleBuilder.create(Type.LIGHTNING).pos(x, y, z).target(secondaryTarget).spawn(world);
 
 								ParticleBuilder.spawnShockParticles(world, secondaryTarget.posX,
-										secondaryTarget.getEntityBoundingBox().minY + secondaryTarget.height / 2,
+										secondaryTarget.posY + secondaryTarget.height / 2,
 										secondaryTarget.posZ);
 							}
 
@@ -115,7 +115,7 @@ public class Thunderstorm extends Spell {
 										ParticleBuilder.create(Type.LIGHTNING).entity(secondaryTarget)
 												.pos(0, secondaryTarget.height / 2, 0).target(tertiaryTarget).spawn(world);
 										ParticleBuilder.spawnShockParticles(world, tertiaryTarget.posX,
-												tertiaryTarget.getEntityBoundingBox().minY + tertiaryTarget.height / 2,
+												tertiaryTarget.posY + tertiaryTarget.height / 2,
 												tertiaryTarget.posZ);
 									}
 
diff --git a/src/main/java/electroblob/wizardry/spell/Whirlwind.java b/src/main/java/electroblob/wizardry/spell/Whirlwind.java
index be394a62..d015b57e 100644
--- a/src/main/java/electroblob/wizardry/spell/Whirlwind.java
+++ b/src/main/java/electroblob/wizardry/spell/Whirlwind.java
@@ -41,7 +41,7 @@ public class Whirlwind extends SpellRay {
 		// Left as EntityLivingBase because why not be able to move armour stands around?
 		if(target instanceof EntityLivingBase){
 			
-			Vec3d vec = target.getPositionVector().add(0, target.getEyeHeight(), 0).subtract(origin).normalize();
+			Vec3d vec = target.getPositionEyes(1).subtract(origin).normalize();
 
 			if(!world.isRemote){
 
diff --git a/src/main/java/electroblob/wizardry/spell/WitherSkull.java b/src/main/java/electroblob/wizardry/spell/WitherSkull.java
index c71af6ec..9c79ce20 100644
--- a/src/main/java/electroblob/wizardry/spell/WitherSkull.java
+++ b/src/main/java/electroblob/wizardry/spell/WitherSkull.java
@@ -74,7 +74,7 @@ public class WitherSkull extends Spell {
 				EntityWitherSkull witherskull = new EntityWitherSkull(world, caster, 1, 1, 1);
 
 				double dx = target.posX - caster.posX;
-				double dy = target.getEntityBoundingBox().minY + (double)(target.height / 2.0F)
+				double dy = target.posY + (double)(target.height / 2.0F)
 						- (caster.posY + (double)(caster.height / 2.0F));
 				double dz = target.posZ - caster.posZ;
 
diff --git a/src/main/java/electroblob/wizardry/util/BlockUtils.java b/src/main/java/electroblob/wizardry/util/BlockUtils.java
index 538e3637..2c61e11f 100644
--- a/src/main/java/electroblob/wizardry/util/BlockUtils.java
+++ b/src/main/java/electroblob/wizardry/util/BlockUtils.java
@@ -125,7 +125,7 @@ public final class BlockUtils {
 	 * is negative.
 	 */
 	public static IBlockState getBlockEntityIsStandingOn(Entity entity){
-		BlockPos pos = new BlockPos(MathHelper.floor(entity.posX), (int)entity.getEntityBoundingBox().minY - 1,
+		BlockPos pos = new BlockPos(MathHelper.floor(entity.posX), (int)entity.posY - 1,
 				MathHelper.floor(entity.posZ));
 		return entity.world.getBlockState(pos);
 	}
diff --git a/src/main/java/electroblob/wizardry/util/EntityUtils.java b/src/main/java/electroblob/wizardry/util/EntityUtils.java
index dbbf488d..e61fd228 100644
--- a/src/main/java/electroblob/wizardry/util/EntityUtils.java
+++ b/src/main/java/electroblob/wizardry/util/EntityUtils.java
@@ -210,7 +210,7 @@ public final class EntityUtils {
 			}
 		}
 
-		box = box.offset(destination.subtract(entity.posX, box.minY, entity.posZ));
+		box = box.offset(destination.subtract(entity.posX, entity.posY, entity.posZ));
 
 		// All the parameters of this method are INCLUSIVE, so even the max coordinates should be rounded down
 		Iterable<BlockPos> cuboid = BlockPos.getAllInBox(MathHelper.floor(box.minX), MathHelper.floor(box.minY),
diff --git a/src/main/java/electroblob/wizardry/util/GeometryUtils.java b/src/main/java/electroblob/wizardry/util/GeometryUtils.java
index fe3e5389..d13d2c7b 100644
--- a/src/main/java/electroblob/wizardry/util/GeometryUtils.java
+++ b/src/main/java/electroblob/wizardry/util/GeometryUtils.java
@@ -1,5 +1,6 @@
 package electroblob.wizardry.util;
 
+import net.minecraft.entity.Entity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumFacing.Axis;
 import net.minecraft.util.math.AxisAlignedBB;
@@ -49,6 +50,14 @@ public final class GeometryUtils {
 		return new Vec3d(box.minX + (box.maxX - box.minX) * 0.5, box.minY + (box.maxY - box.minY) * 0.5, box.minZ + (box.maxZ - box.minZ) * 0.5);
 	}
 
+	/**
+	 * Returns a {@link Vec3d} of the coordinates at the centre of the given entity's bounding box. This is more
+	 * efficient than {@code GeometryUtils.getCentre(entity.getEntityBoundingBox())} as it can use the entity's fields.
+	 */
+	public static Vec3d getCentre(Entity entity){
+		return new Vec3d(entity.posX, entity.posY + entity.height/2, entity.posZ);
+	}
+
 	/**
 	 * Returns a {@link Vec3d} of the coordinates at the centre of the given face of the given block position (i.e. the
 	 * centre of the block plus 0.5 in the given direction).
diff --git a/src/main/java/electroblob/wizardry/util/ParticleBuilder.java b/src/main/java/electroblob/wizardry/util/ParticleBuilder.java
index 4c7403c7..0b019303 100644
--- a/src/main/java/electroblob/wizardry/util/ParticleBuilder.java
+++ b/src/main/java/electroblob/wizardry/util/ParticleBuilder.java
@@ -768,7 +768,7 @@ public final class ParticleBuilder {
 
 		for(int i = 0; i < 10; i++){
 			double x = entity.posX + world.rand.nextDouble() * 2 - 1;
-			double y = entity.getEntityBoundingBox().minY + entity.getEyeHeight() - 0.5 + world.rand.nextDouble();
+			double y = entity.posY + entity.getEyeHeight() - 0.5 + world.rand.nextDouble();
 			double z = entity.posZ + world.rand.nextDouble() * 2 - 1;
 			ParticleBuilder.create(Type.SPARKLE).pos(x, y, z).vel(0, 0.1, 0).clr(1, 1, 0.3f).spawn(world);
 		}
diff --git a/src/main/java/electroblob/wizardry/util/RayTracer.java b/src/main/java/electroblob/wizardry/util/RayTracer.java
index 2a6bf478..61b47853 100644
--- a/src/main/java/electroblob/wizardry/util/RayTracer.java
+++ b/src/main/java/electroblob/wizardry/util/RayTracer.java
@@ -43,7 +43,7 @@ public final class RayTracer {
 	public static RayTraceResult standardBlockRayTrace(World world, EntityLivingBase entity, double range, boolean hitLiquids,
 													   boolean ignoreUncollidables, boolean returnLastUncollidable){
 		// This method does not apply an offset like ray spells do, since it is not desirable in most other use cases.
-		Vec3d origin = new Vec3d(entity.posX, entity.getEntityBoundingBox().minY + entity.getEyeHeight(), entity.posZ);
+		Vec3d origin = entity.getPositionEyes(1);
 		Vec3d endpoint = origin.add(entity.getLookVec().scale(range));
 		return world.rayTraceBlocks(origin, endpoint, hitLiquids, ignoreUncollidables, returnLastUncollidable);
 	}
@@ -76,7 +76,7 @@ public final class RayTracer {
 	@Nullable
 	public static RayTraceResult standardEntityRayTrace(World world, Entity entity, double range, boolean hitLiquids){
 		// This method does not apply an offset like ray spells do, since it is not desirable in most other use cases.
-		Vec3d origin = new Vec3d(entity.posX, entity.getEntityBoundingBox().minY + entity.getEyeHeight(), entity.posZ);
+		Vec3d origin = entity.getPositionEyes(1);
 		Vec3d endpoint = origin.add(entity.getLookVec().scale(range));
 		return rayTrace(world, origin, endpoint, 0, hitLiquids, false, false, Entity.class, ignoreEntityFilter(entity));
 	}