diff --git a/paper-server/patches/sources/net/minecraft/world/entity/monster/Slime.java.patch b/paper-server/patches/sources/net/minecraft/world/entity/monster/Slime.java.patch
index 07e8b608d3..aec78f1edd 100644
--- a/paper-server/patches/sources/net/minecraft/world/entity/monster/Slime.java.patch
+++ b/paper-server/patches/sources/net/minecraft/world/entity/monster/Slime.java.patch
@@ -15,7 +15,27 @@
  
  public class Slime extends Mob implements Enemy {
  
-@@ -197,11 +205,18 @@
+@@ -111,6 +119,7 @@
+     @Override
+     public void addAdditionalSaveData(CompoundTag nbt) {
+         super.addAdditionalSaveData(nbt);
++        nbt.putBoolean("Paper.canWander", this.canWander); // Paper
+         nbt.putInt("Size", this.getSize() - 1);
+         nbt.putBoolean("wasOnGround", this.wasOnGround);
+     }
+@@ -119,6 +128,11 @@
+     public void readAdditionalSaveData(CompoundTag nbt) {
+         this.setSize(nbt.getInt("Size") + 1, false);
+         super.readAdditionalSaveData(nbt);
++        // Paper start
++        if (nbt.contains("Paper.canWander")) {
++            this.canWander = nbt.getBoolean("Paper.canWander");
++        }
++        // Paper end
+         this.wasOnGround = nbt.getBoolean("wasOnGround");
+     }
+ 
+@@ -197,11 +211,18 @@
  
      @Override
      public EntityType<? extends Slime> getType() {
@@ -35,11 +55,10 @@
          int i = this.getSize();
  
          if (!this.level().isClientSide && i > 1 && this.isDeadOrDying()) {
-@@ -210,19 +225,46 @@
-             int j = i / 2;
+@@ -211,18 +232,45 @@
              int k = 2 + this.random.nextInt(3);
              PlayerTeam scoreboardteam = this.getTeam();
-+
+ 
 +            // CraftBukkit start
 +            SlimeSplitEvent event = new SlimeSplitEvent((org.bukkit.entity.Slime) this.getBukkitEntity(), k);
 +            this.level().getCraftServer().getPluginManager().callEvent(event);
@@ -52,7 +71,7 @@
 +            }
 +            List<LivingEntity> slimes = new ArrayList<>(j);
 +            // CraftBukkit end
- 
++
              for (int l = 0; l < k; ++l) {
                  float f2 = ((float) (l % 2) - 0.5F) * f1;
                  float f3 = ((float) (l / 2) - 0.5F) * f1;
@@ -68,12 +87,12 @@
 +                    slimes.add(converted);
 +                }
 +                // CraftBukkit end
-+            }
+             }
 +            // CraftBukkit start
 +            if (CraftEventFactory.callEntityTransformEvent(this, slimes, EntityTransformEvent.TransformReason.SPLIT).isCancelled()) {
 +                super.remove(entity_removalreason, cause); // CraftBukkit - add Bukkit remove cause
 +                return;
-             }
++            }
 +            for (LivingEntity living : slimes) {
 +                this.level().addFreshEntity(living, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SLIME_SPLIT); // CraftBukkit - SpawnReason
 +            }
@@ -85,7 +104,7 @@
      }
  
      @Override
-@@ -300,7 +342,7 @@
+@@ -300,7 +348,7 @@
              }
  
              ChunkPos chunkcoordintpair = new ChunkPos(pos);
@@ -94,3 +113,106 @@
  
              if (random.nextInt(10) == 0 && flag && pos.getY() < 40) {
                  return checkMobSpawnRules(type, world, spawnReason, pos, random);
+@@ -432,7 +480,7 @@
+ 
+         @Override
+         public boolean canUse() {
+-            return (this.slime.isInWater() || this.slime.isInLava()) && this.slime.getMoveControl() instanceof Slime.SlimeMoveControl;
++            return (this.slime.isInWater() || this.slime.isInLava()) && this.slime.getMoveControl() instanceof Slime.SlimeMoveControl && this.slime.canWander && new com.destroystokyo.paper.event.entity.SlimeSwimEvent((org.bukkit.entity.Slime) this.slime.getBukkitEntity()).callEvent(); // Paper - Slime pathfinder events
+         }
+ 
+         @Override
+@@ -469,7 +517,15 @@
+         public boolean canUse() {
+             LivingEntity entityliving = this.slime.getTarget();
+ 
+-            return entityliving == null ? false : (!this.slime.canAttack(entityliving) ? false : this.slime.getMoveControl() instanceof Slime.SlimeMoveControl);
++            // Paper start - Slime pathfinder events
++            if (entityliving == null || !entityliving.isAlive()) {
++                return false;
++            }
++            if (!this.slime.canAttack(entityliving)) {
++                return false;
++            }
++            return this.slime.getMoveControl() instanceof Slime.SlimeMoveControl && this.slime.canWander && new com.destroystokyo.paper.event.entity.SlimeTargetLivingEntityEvent((org.bukkit.entity.Slime) this.slime.getBukkitEntity(), (org.bukkit.entity.LivingEntity) entityliving.getBukkitEntity()).callEvent();
++            // Paper end - Slime pathfinder events
+         }
+ 
+         @Override
+@@ -482,7 +538,15 @@
+         public boolean canContinueToUse() {
+             LivingEntity entityliving = this.slime.getTarget();
+ 
+-            return entityliving == null ? false : (!this.slime.canAttack(entityliving) ? false : --this.growTiredTimer > 0);
++            // Paper start - Slime pathfinder events
++            if (entityliving == null || !entityliving.isAlive()) {
++                return false;
++            }
++            if (!this.slime.canAttack(entityliving)) {
++                return false;
++            }
++            return --this.growTiredTimer > 0 && this.slime.canWander && new com.destroystokyo.paper.event.entity.SlimeTargetLivingEntityEvent((org.bukkit.entity.Slime) this.slime.getBukkitEntity(), (org.bukkit.entity.LivingEntity) entityliving.getBukkitEntity()).callEvent();
++            // Paper end - Slime pathfinder events
+         }
+ 
+         @Override
+@@ -505,6 +569,13 @@
+             }
+ 
+         }
++
++        // Paper start - Slime pathfinder events; clear timer and target when goal resets
++        public void stop() {
++            this.growTiredTimer = 0;
++            this.slime.setTarget(null);
++        }
++        // Paper end - Slime pathfinder events
+     }
+ 
+     private static class SlimeRandomDirectionGoal extends Goal {
+@@ -520,7 +591,7 @@
+ 
+         @Override
+         public boolean canUse() {
+-            return this.slime.getTarget() == null && (this.slime.onGround() || this.slime.isInWater() || this.slime.isInLava() || this.slime.hasEffect(MobEffects.LEVITATION)) && this.slime.getMoveControl() instanceof Slime.SlimeMoveControl;
++            return this.slime.getTarget() == null && (this.slime.onGround() || this.slime.isInWater() || this.slime.isInLava() || this.slime.hasEffect(MobEffects.LEVITATION)) && this.slime.getMoveControl() instanceof Slime.SlimeMoveControl && this.slime.canWander; // Paper - Slime pathfinder events
+         }
+ 
+         @Override
+@@ -528,6 +599,11 @@
+             if (--this.nextRandomizeTime <= 0) {
+                 this.nextRandomizeTime = this.adjustedTickDelay(40 + this.slime.getRandom().nextInt(60));
+                 this.chosenDegrees = (float) this.slime.getRandom().nextInt(360);
++                // Paper start - Slime pathfinder events
++                com.destroystokyo.paper.event.entity.SlimeChangeDirectionEvent event = new com.destroystokyo.paper.event.entity.SlimeChangeDirectionEvent((org.bukkit.entity.Slime) this.slime.getBukkitEntity(), this.chosenDegrees);
++                if (!this.slime.canWander || !event.callEvent()) return;
++                this.chosenDegrees = event.getNewYaw();
++                // Paper end - Slime pathfinder events
+             }
+ 
+             MoveControl controllermove = this.slime.getMoveControl();
+@@ -550,7 +626,7 @@
+ 
+         @Override
+         public boolean canUse() {
+-            return !this.slime.isPassenger();
++            return !this.slime.isPassenger() && this.slime.canWander && new com.destroystokyo.paper.event.entity.SlimeWanderEvent((org.bukkit.entity.Slime) this.slime.getBukkitEntity()).callEvent(); // Paper - Slime pathfinder events
+         }
+ 
+         @Override
+@@ -563,4 +639,15 @@
+ 
+         }
+     }
++
++    // Paper start - Slime pathfinder events
++    private boolean canWander = true;
++    public boolean canWander() {
++        return canWander;
++    }
++
++    public void setWander(boolean canWander) {
++        this.canWander = canWander;
++    }
++    // Paper end - Slime pathfinder events
+ }
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java b/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
index 3d991d9d93..3d9b7c0e12 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
@@ -28,4 +28,16 @@ public class CraftSlime extends CraftMob implements Slime, CraftEnemy {
     public String toString() {
         return "CraftSlime";
     }
+
+    // Paper start
+    @Override
+    public boolean canWander() {
+        return getHandle().canWander();
+    }
+
+    @Override
+    public void setWander(boolean canWander) {
+        getHandle().setWander(canWander);
+    }
+    // Paper end
 }