--- a/net/minecraft/server/EntityIllagerIllusioner.java
+++ b/net/minecraft/server/EntityIllagerIllusioner.java
@@ -24,8 +24,8 @@
         super.n();
         this.goalSelector.a(0, new PathfinderGoalFloat(this));
         this.goalSelector.a(1, new EntityIllagerWizard.b());
-        this.goalSelector.a(4, new EntityIllagerIllusioner.b(null));
-        this.goalSelector.a(5, new EntityIllagerIllusioner.a(null));
+        this.goalSelector.a(4, new EntityIllagerIllusioner.b()); // CraftBukkit - decompile error
+        this.goalSelector.a(5, new EntityIllagerIllusioner.a()); // CraftBukkit - decompile error
         this.goalSelector.a(6, new PathfinderGoalBowShoot(this, 0.5D, 20, 15.0F));
         this.goalSelector.a(8, new PathfinderGoalRandomStroll(this, 0.6D));
         this.goalSelector.a(9, new PathfinderGoalLookAtPlayer(this, EntityHuman.class, 3.0F, 1.0F));
@@ -164,7 +164,7 @@
         }
 
         protected void j() {
-            EntityIllagerIllusioner.this.getGoalTarget().addEffect(new MobEffect(MobEffects.BLINDNESS, 400));
+            EntityIllagerIllusioner.this.getGoalTarget().addEffect(new MobEffect(MobEffects.BLINDNESS, 400), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.ATTACK); // CraftBukkit
         }
 
         protected SoundEffect k() {
@@ -195,7 +195,7 @@
         }
 
         protected void j() {
-            EntityIllagerIllusioner.this.addEffect(new MobEffect(MobEffects.INVISIBILITY, 1200));
+            EntityIllagerIllusioner.this.addEffect(new MobEffect(MobEffects.INVISIBILITY, 1200), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.ILLUSION); // CraftBukkit
         }
 
         @Nullable