diff --git a/Projects/UOContent/Mobiles/Abilities/DestroyEquipment.cs b/Projects/UOContent/Mobiles/Abilities/DestroyEquipment.cs
index e193add32..4c270efbb 100644
--- a/Projects/UOContent/Mobiles/Abilities/DestroyEquipment.cs
+++ b/Projects/UOContent/Mobiles/Abilities/DestroyEquipment.cs
@@ -14,7 +14,6 @@ public class DestroyEquipment : MonsterAbilitySingleTarget
 
     protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
-        base.OnTarget(trigger, source, defender);
         using var queue = PooledRefQueue<Item>.Create();
 
         for (var i = 0; i < defender.Items.Count; i++)
@@ -47,6 +46,8 @@ public class DestroyEquipment : MonsterAbilitySingleTarget
             return;
         }
 
+        source.DoHarmful(defender);
+
         var toDestroy = queue.PeekRandom();
         var name = toDestroy.Name?.Trim().DefaultIfNullOrEmpty(toDestroy.ItemData.Name);
 
diff --git a/Projects/UOContent/Mobiles/Abilities/DrainLifeAttack.cs b/Projects/UOContent/Mobiles/Abilities/DrainLifeAttack.cs
new file mode 100644
index 000000000..a4b1bb309
--- /dev/null
+++ b/Projects/UOContent/Mobiles/Abilities/DrainLifeAttack.cs
@@ -0,0 +1,59 @@
+using System;
+
+namespace Server.Mobiles;
+
+public class DrainLifeAttack : MonsterAbilitySingleTargetDoT
+{
+    public override MonsterAbilityType AbilityType => MonsterAbilityType.DrainLife;
+    public override MonsterAbilityTrigger AbilityTrigger => MonsterAbilityTrigger.GiveMeleeDamage;
+
+    public override TimeSpan MinDelay => TimeSpan.FromSeconds(1.0);
+    public override TimeSpan MaxDelay => TimeSpan.FromSeconds(1.0);
+
+    protected override int GetCount(BaseCreature source, Mobile defender) => 5;
+
+    public override double ChanceToTrigger => 0.5;
+
+    protected override bool CanEffectTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender) =>
+        base.CanEffectTarget(trigger, source, defender) && defender.Mana > 14 && !IsUnderEffect(defender);
+
+    protected override void OnBeforeTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    {
+        if (RemoveEffect(source, defender))
+        {
+            defender.SendLocalizedMessage(1070847); // The creature continues to steal your life force!
+        }
+        else
+        {
+            defender.SendLocalizedMessage(1070848); // You feel your life force being stolen away.
+        }
+    }
+
+    protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    {
+        base.OnTarget(trigger, source, defender);
+
+        source.DoHarmful(defender);
+        defender.Mana -= 15;
+
+        if (defender.Alive)
+        {
+            var damageGiven = AOS.Damage(defender, source, 5, 0, 0, 0, 0, 100);
+            source.Hits += damageGiven;
+        }
+        else
+        {
+            RemoveEffect(source, defender);
+            defender.SendLocalizedMessage(1070849); // The drain on your life force is gone.
+        }
+    }
+
+    protected override void EndEffect(BaseCreature source, Mobile defender)
+    {
+    }
+
+    protected override void OnEffectExpired(BaseCreature source, Mobile defender)
+    {
+        defender.SendLocalizedMessage(1070849); // The drain on your life force is gone.
+    }
+}
diff --git a/Projects/UOContent/Mobiles/Abilities/EnergyBoltCounter.cs b/Projects/UOContent/Mobiles/Abilities/EnergyBoltCounter.cs
index a1d0b3491..ce735f147 100644
--- a/Projects/UOContent/Mobiles/Abilities/EnergyBoltCounter.cs
+++ b/Projects/UOContent/Mobiles/Abilities/EnergyBoltCounter.cs
@@ -10,8 +10,6 @@ public class EnergyBoltCounter : MonsterAbilitySingleTarget
 
     protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
-        base.OnTarget(trigger, source, defender);
-
         source.MovingParticles(defender, 0x379F, 7, 0, false, true, 0xBE3, 0xFCB, 0x211);
         defender.PlaySound(0x229);
 
diff --git a/Projects/UOContent/Mobiles/Abilities/FanThrowCounter.cs b/Projects/UOContent/Mobiles/Abilities/FanThrowCounter.cs
index fa93533da..5020014b7 100644
--- a/Projects/UOContent/Mobiles/Abilities/FanThrowCounter.cs
+++ b/Projects/UOContent/Mobiles/Abilities/FanThrowCounter.cs
@@ -8,8 +8,6 @@ public class FanThrowCounter : MonsterAbilitySingleTarget
 
     protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
-        base.OnTarget(trigger, source, defender);
-
         /* Fan Throw
          * Effect:
          * - To: "0x57D4F5B"
@@ -35,6 +33,7 @@ public class FanThrowCounter : MonsterAbilitySingleTarget
             0
         );
 
+        source.DoHarmful(defender);
         AOS.Damage(defender, source, Utility.RandomMinMax(50, 65), 100, 0, 0, 0, 0);
     }
 
diff --git a/Projects/UOContent/Mobiles/Abilities/FanningFire.cs b/Projects/UOContent/Mobiles/Abilities/FanningFire.cs
index 4014acbe8..c9fdb71a5 100644
--- a/Projects/UOContent/Mobiles/Abilities/FanningFire.cs
+++ b/Projects/UOContent/Mobiles/Abilities/FanningFire.cs
@@ -8,8 +8,19 @@ public class FanningFire : MonsterAbilitySingleTargetDoT
 
     public const string Name = "FanningFire";
 
-    protected override void StartEffect(BaseCreature source, Mobile defender)
+    protected override void OnBeforeTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
+        // Renew the effects
+        RemoveEffect(source, defender);
+
+        // The creature fans you with fire, reducing your resistance to fire attacks.
+        defender.SendLocalizedMessage(1070833);
+    }
+
+    protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    {
+        base.OnTarget(trigger, source, defender);
+
         /**
          * Fanning Fire
          * Start cliloc: 1070833
@@ -38,11 +49,7 @@ public class FanningFire : MonsterAbilitySingleTargetDoT
          * - Unknown: "0x0"
          */
 
-        RemoveEffect(source, defender);
-
-        // The creature fans you with fire, reducing your resistance to fire attacks.
-        defender.SendLocalizedMessage(1070833);
-
+        source.DoHarmful(defender);
         var effect = -(defender.FireResistance / 10);
 
         var mod = new ResistanceMod(ResistanceType.Fire, Name, effect);
diff --git a/Projects/UOContent/Mobiles/Abilities/GraspingClaw.cs b/Projects/UOContent/Mobiles/Abilities/GraspingClaw.cs
index d5b35bfe0..13aab5b2d 100644
--- a/Projects/UOContent/Mobiles/Abilities/GraspingClaw.cs
+++ b/Projects/UOContent/Mobiles/Abilities/GraspingClaw.cs
@@ -8,7 +8,7 @@ public class GraspingClaw : MonsterAbilitySingleTargetDoT
 
     private const string Name = "GraspingClaw";
 
-    protected override void StartEffect(BaseCreature source, Mobile defender)
+    protected override void OnBeforeTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
         if (RemoveEffect(source, defender))
         {
@@ -19,6 +19,11 @@ public class GraspingClaw : MonsterAbilitySingleTargetDoT
             // The blow from the creature's claws has made you more susceptible to physical attacks.
             defender.SendLocalizedMessage(1070836);
         }
+    }
+
+    protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    {
+        base.OnTarget(trigger, source, defender);
 
         /**
          * Grasping Claw
@@ -39,6 +44,7 @@ public class GraspingClaw : MonsterAbilitySingleTargetDoT
          * - Explode: "False"
          */
 
+        source.DoHarmful(defender);
         var mod = new ResistanceMod(ResistanceType.Physical, Name, -(defender.PhysicalResistance * 15 / 100));
         defender.AddResistanceMod(mod);
 
diff --git a/Projects/UOContent/Mobiles/Abilities/MonsterAbilities.cs b/Projects/UOContent/Mobiles/Abilities/MonsterAbilities.cs
index f9d6857c5..935241eea 100644
--- a/Projects/UOContent/Mobiles/Abilities/MonsterAbilities.cs
+++ b/Projects/UOContent/Mobiles/Abilities/MonsterAbilities.cs
@@ -40,7 +40,9 @@ public static class MonsterAbilities
 
     public static DestroyEquipment DestroyEquipment => new();
 
+    // Life Drain
     public static DrainLifeAreaAttack DrainLifeAreaAttack => new();
+    public static DrainLifeAttack DrainLifeAttack => new();
 
     public static MagicalBarrier MagicalBarrier => new();
 
diff --git a/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTarget.cs b/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTarget.cs
index 54313d3bc..7cd173660 100644
--- a/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTarget.cs
+++ b/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTarget.cs
@@ -6,17 +6,19 @@ public abstract class MonsterAbilitySingleTarget : MonsterAbility
     {
         if (CanEffectTarget(trigger, source, target))
         {
+            OnBeforeTarget(trigger, source, target);
             OnTarget(trigger, source, target);
         }
 
         base.Trigger(trigger, source, target);
     }
 
-    protected virtual void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    protected virtual void OnBeforeTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
-        source.DoHarmful(defender);
     }
 
+    protected abstract void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender);
+
     protected virtual bool CanEffectTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender) =>
         defender.Alive && source.CanBeHarmful(defender);
 }
diff --git a/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTargetDoT.cs b/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTargetDoT.cs
index 4d162a6a2..f862f985c 100644
--- a/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTargetDoT.cs
+++ b/Projects/UOContent/Mobiles/Abilities/MonsterAbilitySingleTargetDoT.cs
@@ -18,14 +18,10 @@ public abstract class MonsterAbilitySingleTargetDoT : MonsterAbilitySingleTarget
         var count = GetCount(source, defender);
         var timer = _table[defender] = new ExpireTimer(this, source, defender, duration, count);
         timer.Start();
-
-        StartEffect(source, defender);
     }
 
     protected virtual int GetCount(BaseCreature source, Mobile defender) => 1;
 
-    protected abstract void StartEffect(BaseCreature source, Mobile defender);
-
     protected virtual void EffectTick(BaseCreature source, Mobile defender, out TimeSpan nextDelay)
     {
         nextDelay = Utility.RandomMinMax(MinDelay, MaxDelay);
@@ -72,8 +68,11 @@ public abstract class MonsterAbilitySingleTargetDoT : MonsterAbilitySingleTarget
             _ability.EffectTick(_source, _defender, out var delay);
             Delay = delay;
 
-            _ability.RemoveEffect(_source, _defender);
-            _ability.OnEffectExpired(_source, _defender);
+            if (RemainingCount == 0)
+            {
+                _ability.RemoveEffect(_source, _defender);
+                _ability.OnEffectExpired(_source, _defender);
+            }
         }
     }
 }
diff --git a/Projects/UOContent/Mobiles/Abilities/MonsterAbilityType.cs b/Projects/UOContent/Mobiles/Abilities/MonsterAbilityType.cs
index 365e37ac4..73e26e9aa 100644
--- a/Projects/UOContent/Mobiles/Abilities/MonsterAbilityType.cs
+++ b/Projects/UOContent/Mobiles/Abilities/MonsterAbilityType.cs
@@ -12,6 +12,7 @@ public enum MonsterAbilityType
     ThrowWeapon,
     DestroyEquipment,
     DeathExplosion,
+    DrainLife,
     MassDrainLife,
     MagicalBarrier,
     EnergyBoltCounter,
diff --git a/Projects/UOContent/Mobiles/Abilities/PoisonGasCounter.cs b/Projects/UOContent/Mobiles/Abilities/PoisonGasCounter.cs
index 8a3da763d..eed45701f 100644
--- a/Projects/UOContent/Mobiles/Abilities/PoisonGasCounter.cs
+++ b/Projects/UOContent/Mobiles/Abilities/PoisonGasCounter.cs
@@ -14,6 +14,7 @@ public class PoisonGasCounter : MonsterAbilitySingleTarget
     protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
         source.Animate(10, 4, 1, true, false, 0);
+        source.DoHarmful(defender);
         AOS.Damage(defender, source, 50, 100, 0, 0, 0, 0, 0);
 
         defender.FixedParticles(0x36BD, 1, 10, 0x1F78, 0xA6, 0, (EffectLayer)255);
diff --git a/Projects/UOContent/Mobiles/Abilities/RuneCorruption.cs b/Projects/UOContent/Mobiles/Abilities/RuneCorruption.cs
index 552c5da26..2e68c61ce 100644
--- a/Projects/UOContent/Mobiles/Abilities/RuneCorruption.cs
+++ b/Projects/UOContent/Mobiles/Abilities/RuneCorruption.cs
@@ -8,7 +8,7 @@ public class RuneCorruption : MonsterAbilitySingleTargetDoT
 
     private const string Name = "RuneCorruption";
 
-    protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
+    protected override void OnBeforeTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
         if (RemoveEffect(source, defender))
         {
@@ -18,12 +18,12 @@ public class RuneCorruption : MonsterAbilitySingleTargetDoT
         {
             defender.SendLocalizedMessage(1070846); // The creature magically corrupts your armor!
         }
-
-        base.OnTarget(trigger, source, defender);
     }
 
-    protected override void StartEffect(BaseCreature source, Mobile defender)
+    protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
+        base.OnTarget(trigger, source, defender);
+
         /**
          * Rune Corruption
          * Start cliloc: 1070846 "The creature magically corrupts your armor!"
@@ -31,6 +31,8 @@ public class RuneCorruption : MonsterAbilitySingleTargetDoT
          * End ASCII: "The corruption of your armor has worn off"
          */
 
+        source.DoHarmful(defender);
+
         if (Core.ML)
         {
             if (defender.PhysicalResistance > 0)
diff --git a/Projects/UOContent/Mobiles/Abilities/ThrowHatchetCounter.cs b/Projects/UOContent/Mobiles/Abilities/ThrowHatchetCounter.cs
index a64360737..f6d43beb8 100644
--- a/Projects/UOContent/Mobiles/Abilities/ThrowHatchetCounter.cs
+++ b/Projects/UOContent/Mobiles/Abilities/ThrowHatchetCounter.cs
@@ -11,6 +11,7 @@ public class ThrowHatchetCounter : MonsterAbilitySingleTarget
     protected override void OnTarget(MonsterAbilityTrigger trigger, BaseCreature source, Mobile defender)
     {
         source.MovingEffect(defender, 0xF43, 10, 0, false, false);
+        source.DoHarmful(defender);
         AOS.Damage(defender, source, 50, 100, 0, 0, 0, 0, 0);
     }
 
diff --git a/Projects/UOContent/Mobiles/Monsters/ML/Twisted Weald/Guile.cs b/Projects/UOContent/Mobiles/Monsters/ML/Twisted Weald/Guile.cs
index 01c6dd6e3..e6e7749dc 100644
--- a/Projects/UOContent/Mobiles/Monsters/ML/Twisted Weald/Guile.cs	
+++ b/Projects/UOContent/Mobiles/Monsters/ML/Twisted Weald/Guile.cs	
@@ -1,86 +1,72 @@
-namespace Server.Mobiles
+namespace Server.Mobiles;
+
+public class Guile : Changeling
 {
-    public class Guile : Changeling
+    [Constructible]
+    public Guile()
     {
-        [Constructible]
-        public Guile()
-        {
-            IsParagon = true;
+        IsParagon = true;
 
-            Hue = DefaultHue;
+        Hue = DefaultHue;
 
-            SetStr(53, 214);
-            SetDex(243, 367);
-            SetInt(369, 586);
+        SetStr(53, 214);
+        SetDex(243, 367);
+        SetInt(369, 586);
 
-            SetHits(1013, 1058);
-            SetStam(243, 367);
-            SetMana(369, 586);
+        SetHits(1013, 1058);
+        SetStam(243, 367);
+        SetMana(369, 586);
 
-            SetDamage(14, 20);
+        SetDamage(14, 20);
 
-            SetDamageType(ResistanceType.Physical, 100);
+        SetDamageType(ResistanceType.Physical, 100);
 
-            SetResistance(ResistanceType.Physical, 80, 90);
-            SetResistance(ResistanceType.Fire, 43, 46);
-            SetResistance(ResistanceType.Cold, 42, 44);
-            SetResistance(ResistanceType.Poison, 42, 50);
-            SetResistance(ResistanceType.Energy, 47, 50);
+        SetResistance(ResistanceType.Physical, 80, 90);
+        SetResistance(ResistanceType.Fire, 43, 46);
+        SetResistance(ResistanceType.Cold, 42, 44);
+        SetResistance(ResistanceType.Poison, 42, 50);
+        SetResistance(ResistanceType.Energy, 47, 50);
 
-            SetSkill(SkillName.Wrestling, 12.8, 16.7);
-            SetSkill(SkillName.Tactics, 102.6, 131.0);
-            SetSkill(SkillName.MagicResist, 141.2, 161.6);
-            SetSkill(SkillName.Magery, 108.4, 120.0);
-            SetSkill(SkillName.EvalInt, 108.4, 120.0);
-            SetSkill(SkillName.Meditation, 109.2, 120.0);
+        SetSkill(SkillName.Wrestling, 12.8, 16.7);
+        SetSkill(SkillName.Tactics, 102.6, 131.0);
+        SetSkill(SkillName.MagicResist, 141.2, 161.6);
+        SetSkill(SkillName.Magery, 108.4, 120.0);
+        SetSkill(SkillName.EvalInt, 108.4, 120.0);
+        SetSkill(SkillName.Meditation, 109.2, 120.0);
 
-            Fame = 21000;
-            Karma = -21000;
-        }
+        Fame = 21000;
+        Karma = -21000;
+    }
 
-        public Guile(Serial serial)
-            : base(serial)
-        {
-        }
+    public Guile(Serial serial)
+        : base(serial)
+    {
+    }
 
-        public override string CorpseName => "a Guile corpse";
-        public override string DefaultName => "Guile";
-        public override int DefaultHue => 0x3F;
+    public override string CorpseName => "a Guile corpse";
+    public override string DefaultName => "Guile";
+    public override int DefaultHue => 0x3F;
+    public override bool GivesMLMinorArtifact => true;
 
-        public override bool GivesMLMinorArtifact => true;
+    private static MonsterAbility[] _abilities = { MonsterAbilities.DrainLifeAttack };
+    public override MonsterAbility[] GetMonsterAbilities() => _abilities;
 
-        public override void OnGaveMeleeAttack(Mobile defender, int damage)
-        {
-            base.OnGaveMeleeAttack(defender, damage);
+    public override void GenerateLoot()
+    {
+        AddLoot(LootPack.UltraRich, 2);
+    }
 
-            if (Utility.RandomBool())
-            {
-                if (!Kappa.IsBeingDrained(defender) && Mana > 14)
-                {
-                    defender.SendLocalizedMessage(1070848); // You feel your life force being stolen away.
-                    Kappa.BeginLifeDrain(defender, this);
-                    Mana -= 15;
-                }
-            }
-        }
+    public override void Serialize(IGenericWriter writer)
+    {
+        base.Serialize(writer);
 
-        public override void GenerateLoot()
-        {
-            AddLoot(LootPack.UltraRich, 2);
-        }
+        writer.Write(0); // version
+    }
 
-        public override void Serialize(IGenericWriter writer)
-        {
-            base.Serialize(writer);
+    public override void Deserialize(IGenericReader reader)
+    {
+        base.Deserialize(reader);
 
-            writer.Write(0); // version
-        }
-
-        public override void Deserialize(IGenericReader reader)
-        {
-            base.Deserialize(reader);
-
-            var version = reader.ReadInt();
-        }
+        var version = reader.ReadInt();
     }
 }
diff --git a/Projects/UOContent/Mobiles/Monsters/SE/DeathWatchBeetle.cs b/Projects/UOContent/Mobiles/Monsters/SE/DeathWatchBeetle.cs
index 37b92ee25..51681b3ad 100644
--- a/Projects/UOContent/Mobiles/Monsters/SE/DeathWatchBeetle.cs
+++ b/Projects/UOContent/Mobiles/Monsters/SE/DeathWatchBeetle.cs
@@ -100,7 +100,7 @@ namespace Server.Mobiles
         {
             if (Utility.RandomBool() && Mana > 14 && to != null)
             {
-                damage = damage + damage / 2;
+                damage += damage / 2;
                 to.SendLocalizedMessage(1060091); // You take extra damage from the crushing attack!
                 to.PlaySound(0x1E1);
                 to.FixedParticles(0x377A, 1, 32, 0x26da, 0, 0, 0);
diff --git a/Projects/UOContent/Mobiles/Monsters/SE/Kappa.cs b/Projects/UOContent/Mobiles/Monsters/SE/Kappa.cs
index ee5746f9f..8cbb54d4f 100644
--- a/Projects/UOContent/Mobiles/Monsters/SE/Kappa.cs
+++ b/Projects/UOContent/Mobiles/Monsters/SE/Kappa.cs
@@ -1,208 +1,143 @@
 using System;
-using System.Collections.Generic;
 using Server.Engines.Plants;
 using Server.Items;
 
-namespace Server.Mobiles
+namespace Server.Mobiles;
+
+public class Kappa : BaseCreature
 {
-    public class Kappa : BaseCreature
+    [Constructible]
+    public Kappa() : base(AIType.AI_Melee)
     {
-        private static readonly Dictionary<Mobile, InternalTimer> m_Table = new();
+        Body = 240;
 
-        [Constructible]
-        public Kappa() : base(AIType.AI_Melee)
+        SetStr(186, 230);
+        SetDex(51, 75);
+        SetInt(41, 55);
+
+        SetMana(30);
+
+        SetHits(151, 180);
+
+        SetDamage(6, 12);
+
+        SetDamageType(ResistanceType.Physical, 100);
+
+        SetResistance(ResistanceType.Physical, 35, 50);
+        SetResistance(ResistanceType.Fire, 35, 50);
+        SetResistance(ResistanceType.Cold, 25, 50);
+        SetResistance(ResistanceType.Poison, 35, 50);
+        SetResistance(ResistanceType.Energy, 20, 30);
+
+        SetSkill(SkillName.MagicResist, 60.1, 70.0);
+        SetSkill(SkillName.Tactics, 79.1, 89.0);
+        SetSkill(SkillName.Wrestling, 60.1, 70.0);
+
+        Fame = 1700;
+        Karma = -1700;
+
+        PackItem(new RawFishSteak(3));
+        for (var i = 0; i < 2; i++)
         {
-            Body = 240;
-
-            SetStr(186, 230);
-            SetDex(51, 75);
-            SetInt(41, 55);
-
-            SetMana(30);
-
-            SetHits(151, 180);
-
-            SetDamage(6, 12);
-
-            SetDamageType(ResistanceType.Physical, 100);
-
-            SetResistance(ResistanceType.Physical, 35, 50);
-            SetResistance(ResistanceType.Fire, 35, 50);
-            SetResistance(ResistanceType.Cold, 25, 50);
-            SetResistance(ResistanceType.Poison, 35, 50);
-            SetResistance(ResistanceType.Energy, 20, 30);
-
-            SetSkill(SkillName.MagicResist, 60.1, 70.0);
-            SetSkill(SkillName.Tactics, 79.1, 89.0);
-            SetSkill(SkillName.Wrestling, 60.1, 70.0);
-
-            Fame = 1700;
-            Karma = -1700;
-
-            PackItem(new RawFishSteak(3));
-            for (var i = 0; i < 2; i++)
+            switch (Utility.Random(6))
             {
-                switch (Utility.Random(6))
-                {
-                    case 0:
+                case 0:
+                    {
                         PackItem(new Gears());
                         break;
-                    case 1:
+                    }
+                case 1:
+                    {
                         PackItem(new Hinge());
                         break;
-                    case 2:
+                    }
+                case 2:
+                    {
                         PackItem(new Axle());
                         break;
-                }
-            }
-
-            if (Core.ML && Utility.RandomDouble() < .33)
-            {
-                PackItem(Seed.RandomPeculiarSeed(4));
+                    }
             }
         }
 
-        public Kappa(Serial serial) : base(serial)
+        if (Core.ML && Utility.Random(3) == 0)
         {
+            PackItem(Seed.RandomPeculiarSeed(4));
         }
+    }
 
-        public override string CorpseName => "a kappa corpse";
-        public override string DefaultName => "a kappa";
+    public Kappa(Serial serial) : base(serial)
+    {
+    }
 
-        public override void GenerateLoot()
+    public override string CorpseName => "a kappa corpse";
+    public override string DefaultName => "a kappa";
+
+    private static MonsterAbility[] _abilities = { MonsterAbilities.DrainLifeAttack };
+    public override MonsterAbility[] GetMonsterAbilities() => _abilities;
+
+    public override void GenerateLoot()
+    {
+        AddLoot(LootPack.Meager);
+        AddLoot(LootPack.Average);
+    }
+
+    public override int GetAngerSound() => 0x50B;
+
+    public override int GetIdleSound() => 0x50A;
+
+    public override int GetAttackSound() => 0x509;
+
+    public override int GetHurtSound() => 0x50C;
+
+    public override int GetDeathSound() => 0x508;
+
+    public override void OnDamage(int amount, Mobile from, bool willKill)
+    {
+        // Acid Blood ability
+        if (from?.Map != null)
         {
-            AddLoot(LootPack.Meager);
-            AddLoot(LootPack.Average);
-        }
-
-        public override int GetAngerSound() => 0x50B;
-
-        public override int GetIdleSound() => 0x50A;
-
-        public override int GetAttackSound() => 0x509;
-
-        public override int GetHurtSound() => 0x50C;
-
-        public override int GetDeathSound() => 0x508;
-
-        public override void OnGaveMeleeAttack(Mobile defender, int damage)
-        {
-            base.OnGaveMeleeAttack(defender, damage);
-
-            if (Utility.RandomBool())
+            var amt = 0;
+            Mobile target = this;
+            var rand = Utility.Random(1, 100);
+            if (willKill)
             {
-                if (!IsBeingDrained(defender) && Mana > 14)
+                amt = ((rand % 5) >> 2) + 3;
+            }
+
+            if (Hits < 100 && rand < 21)
+            {
+                target = rand % 2 < 1 ? this : from;
+                amt++;
+            }
+
+            if (amt > 0)
+            {
+                SpillAcid(target, amt);
+                from.SendLocalizedMessage(1070820); // The creature spills a pool of acidic slime!
+                if (Mana > 14)
                 {
-                    defender.SendLocalizedMessage(1070848); // You feel your life force being stolen away.
-                    BeginLifeDrain(defender, this);
                     Mana -= 15;
                 }
             }
         }
 
-        public static bool IsBeingDrained(Mobile m) => m_Table.ContainsKey(m);
+        base.OnDamage(amount, from, willKill);
+    }
 
-        public static void BeginLifeDrain(Mobile m, Mobile from)
-        {
-            m_Table.TryGetValue(m, out var timer);
-            timer?.Stop();
-            m_Table[m] = timer = new InternalTimer(from, m);
+    public override Item NewHarmfulItem() => new PoolOfAcid(TimeSpan.FromSeconds(10), 5, 10)
+    {
+        Name = "slime"
+    };
 
-            timer.Start();
-        }
+    public override void Serialize(IGenericWriter writer)
+    {
+        base.Serialize(writer);
+        writer.Write(0);
+    }
 
-        public static void DrainLife(Mobile m, Mobile from)
-        {
-            if (m.Alive)
-            {
-                var damageGiven = AOS.Damage(m, from, 5, 0, 0, 0, 0, 100);
-                from.Hits += damageGiven;
-            }
-            else
-            {
-                EndLifeDrain(m);
-            }
-        }
-
-        public static void EndLifeDrain(Mobile m)
-        {
-            if (m_Table.Remove(m, out var timer))
-            {
-                timer?.Stop();
-                m.SendLocalizedMessage(1070849); // The drain on your life force is gone.
-            }
-        }
-
-        public override void OnDamage(int amount, Mobile from, bool willKill)
-        {
-            if (from?.Map != null)
-            {
-                var amt = 0;
-                Mobile target = this;
-                var rand = Utility.Random(1, 100);
-                if (willKill)
-                {
-                    amt = ((rand % 5) >> 2) + 3;
-                }
-
-                if (Hits < 100 && rand < 21)
-                {
-                    target = rand % 2 < 1 ? this : from;
-                    amt++;
-                }
-
-                if (amt > 0)
-                {
-                    SpillAcid(target, amt);
-                    from.SendLocalizedMessage(1070820);
-                    if (Mana > 14)
-                    {
-                        Mana -= 15;
-                    }
-                }
-            }
-
-            base.OnDamage(amount, from, willKill);
-        }
-
-        public override Item NewHarmfulItem() => new PoolOfAcid(TimeSpan.FromSeconds(10), 5, 10)
-        {
-            Name = "slime"
-        };
-
-        public override void Serialize(IGenericWriter writer)
-        {
-            base.Serialize(writer);
-            writer.Write(0);
-        }
-
-        public override void Deserialize(IGenericReader reader)
-        {
-            base.Deserialize(reader);
-            var version = reader.ReadInt();
-        }
-
-        private class InternalTimer : Timer
-        {
-            private readonly Mobile m_From;
-            private readonly Mobile m_Mobile;
-            private int m_Count;
-
-            public InternalTimer(Mobile from, Mobile m) : base(TimeSpan.FromSeconds(1.0), TimeSpan.FromSeconds(1.0))
-            {
-                m_From = from;
-                m_Mobile = m;
-            }
-
-            protected override void OnTick()
-            {
-                DrainLife(m_Mobile, m_From);
-
-                if (Running && ++m_Count == 5)
-                {
-                    EndLifeDrain(m_Mobile);
-                }
-            }
-        }
+    public override void Deserialize(IGenericReader reader)
+    {
+        base.Deserialize(reader);
+        var version = reader.ReadInt();
     }
 }