Chuck more ruined spell books into the ocean, and fish all the master spells back out

src/main/java/electroblob/wizardry/registry/WizardryLoot.java

@@ -107,7 +107,7 @@ public final class WizardryLoot {
 		// This is because you are supposed to only catch one item at a time!
 		if(event.getName().toString().matches("minecraft:gameplay/fishing/junk")){
 			// The first (and in this case, only) vanilla loot pool is named "main"
-			event.getTable().getPool("main").addEntry(getAdditiveEntry(Wizardry.MODID + ":gameplay/fishing/junk_additions", 2));
+			event.getTable().getPool("main").addEntry(getAdditiveEntry(Wizardry.MODID + ":gameplay/fishing/junk_additions", 3));
 		}else if(event.getName().toString().matches("minecraft:gameplay/fishing/treasure")){
 			event.getTable().getPool("main").addEntry(getAdditiveEntry(Wizardry.MODID + ":gameplay/fishing/treasure_additions", 1));
 		}

src/main/resources/assets/ebwizardry/loot_tables/gameplay/fishing/treasure_additions.json

@@ -11,7 +11,11 @@
                     "functions": [
                         {
                             "function": "ebwizardry:random_spell",
-                            "undiscovered_bias": 0.3
+                            "tiers": [
+                                "novice",
+                                "apprentice",
+                                "advanced"
+                            ]
                         }
                     ]
                 }