diff --git a/project.godot b/project.godot
index 0ada405..6e1d07c 100644
--- a/project.godot
+++ b/project.godot
@@ -22,7 +22,7 @@ config/windows_native_icon="res://icon.ico"
 LevelController="*res://scripts/LevelController.cs"
 Cursor="*res://scripts/Cursor.cs"
 GameRegistry="*res://scripts/systems/GameRegistry.cs"
-Cheats="res://scripts/debug/Cheats.cs"
+Cheats="*res://scripts/debug/Cheats.cs"
 AudioSequencer="*res://scenes/audio_sequencer.tscn"
 
 [display]
diff --git a/resources/effects/GarlicEffect.tres b/resources/effects/GarlicEffect.tres
index 374c2cd..5c9f170 100644
--- a/resources/effects/GarlicEffect.tres
+++ b/resources/effects/GarlicEffect.tres
@@ -5,4 +5,4 @@
 [resource]
 script = ExtResource("1_rfumy")
 Duration = 0.25
-Slot = 3
+Slot = "garlic"
diff --git a/resources/effects/SnowSlow.tres b/resources/effects/SnowSlow.tres
index 5851046..5a62fd5 100644
--- a/resources/effects/SnowSlow.tres
+++ b/resources/effects/SnowSlow.tres
@@ -1,10 +1,10 @@
 [gd_resource type="Resource" load_steps=2 format=3 uid="uid://7uj0oe656jfx"]
 
-[ext_resource type="Script" path="res://scripts/systems/effects/SlownessEffect.cs" id="1_8md01"]
+[ext_resource type="Script" uid="uid://dyc7fc5bfkdii" path="res://scripts/systems/effects/SlownessEffect.cs" id="1_8md01"]
 
 [resource]
 script = ExtResource("1_8md01")
 ColorOverride = Color(0, 1, 1, 1)
 Multiplier = 0.75
 Duration = 3.25
-Slot = 0
+Slot = "freeze_slow"
diff --git a/scenes/entities/Zombies/zombie.tscn b/scenes/entities/Zombies/zombie.tscn
index 82685a4..579b17c 100644
--- a/scenes/entities/Zombies/zombie.tscn
+++ b/scenes/entities/Zombies/zombie.tscn
@@ -66,9 +66,9 @@ mult_value = 1.0
 [node name="Zombie" type="Node2D"]
 y_sort_enabled = true
 script = ExtResource("1_qq3f1")
-_maxHP = 70
 garlicSound = ExtResource("2_hh4qh")
 freezeSound = ExtResource("3_ltj46")
+MaxHP = 70.0
 
 [node name="CanvasGroup" type="CanvasGroup" parent="."]
 material = SubResource("ShaderMaterial_63ls2")
diff --git a/scenes/entities/plants/peashooter.tscn b/scenes/entities/plants/peashooter.tscn
index edf0cfe..d9661db 100644
--- a/scenes/entities/plants/peashooter.tscn
+++ b/scenes/entities/plants/peashooter.tscn
@@ -63,7 +63,6 @@ size = Vector2(20, 44)
 
 [node name="Peashooter" instance=ExtResource("1_pyk3o")]
 MaxHP = 30.0
-_effectImmunities = Array[Resource]([])
 
 [node name="Sprite2D" parent="." index="0"]
 texture = ExtResource("2_14qlx")
diff --git a/scenes/projectiles/snowpea_projectile.tscn b/scenes/projectiles/snowpea_projectile.tscn
index 001c48a..bfde097 100644
--- a/scenes/projectiles/snowpea_projectile.tscn
+++ b/scenes/projectiles/snowpea_projectile.tscn
@@ -18,7 +18,6 @@ script = ExtResource("1_fkydi")
 _speed = 3.0
 _damage = 10
 _impactEffect = ExtResource("2_fn62x")
-_damageType = 1
 particles = ExtResource("3_t6hp0")
 
 [node name="Sprite" type="Sprite2D" parent="."]
diff --git a/scripts/components/Armor.cs b/scripts/components/Armor.cs
index 4326ff0..7e8ba22 100644
--- a/scripts/components/Armor.cs
+++ b/scripts/components/Armor.cs
@@ -6,13 +6,13 @@ namespace Newlon.Components;
 public partial class Armor : Node
 {
 	[Signal]
-	public delegate void ArmorDamagedEventHandler(int hp);
+	public delegate void ArmorDamagedEventHandler(float hp);
 	[Signal]
 	public delegate void ArmorLostEventHandler();
 
 	[Export]
-	public int MaxHP { get; private set; }
-	private int _hp;
+	public float MaxHP { get; private set; }
+	private float _hp;
 	private bool _lost = false;
 
     public override void _Ready()
@@ -20,11 +20,11 @@ public partial class Armor : Node
         _hp = MaxHP;
     }
 
-	public int RecieveDamage(int damage)
+	public float RecieveDamage(float damage)
 	{
 		if(_lost)
 			return damage;
-		int returnAmount = 0;
+		float returnAmount = 0;
 		_hp -= damage;
 		if(_hp <= 0)
 		{
@@ -37,11 +37,11 @@ public partial class Armor : Node
 		return returnAmount;
 	}
 
-	public int Heal(int amount)
+	public float Heal(float amount)
 	{
 		if(_lost)
 			return amount;
-		int returnAmount = 0;
+		float returnAmount = 0;
 		_hp += amount;
 		if (_hp >= MaxHP)
 		{
diff --git a/scripts/components/DegradingSprite.cs b/scripts/components/DegradingSprite.cs
index baa5e8f..3c28adc 100644
--- a/scripts/components/DegradingSprite.cs
+++ b/scripts/components/DegradingSprite.cs
@@ -14,9 +14,9 @@ public partial class DegradingSprite : Sprite2D
 		armor.ArmorDamaged += OnZombieHPChanged;
 	}
 
-	private void OnZombieHPChanged(int hp)
+	private void OnZombieHPChanged(float hp)
 	{
-		float percent = (float)hp / (float)armor.MaxHP;
+		float percent = hp / armor.MaxHP;
 		for (int i = 0; i < degradationStages.Count; i++)
 		{
 			if (percent <= thresholdPercentage[i])
diff --git a/scripts/components/Entity.cs b/scripts/components/Entity.cs
index 121bded..f4d181a 100644
--- a/scripts/components/Entity.cs
+++ b/scripts/components/Entity.cs
@@ -7,8 +7,8 @@ namespace Newlon.Components;
 public partial class Entity : Node2D
 {
 	#region Health points
-	[Export] public float MaxHP { get; private set; }
-	public float HP { get; private set; }
+	[Export] public float MaxHP;
+	public float HP;
 	[Signal] public delegate void OnHPChangedEventHandler(int deltaHP, Node origin);
 	[Signal] public delegate void OnDamagedEventHandler();
 
@@ -55,9 +55,14 @@ public partial class Entity : Node2D
 	}
 	#endregion
 	#region Effects
-	[Export] private Array<Effect> _effectImmunities;
-	private readonly Effect[] _activeEffectSlots = new Effect[Utility.EffectSlotCount];
-	private readonly Timer[] _effectSlotTimers = new Timer[Utility.EffectSlotCount];
+	[Export] private Array<Effect> _effectImmunities = new();
+	private readonly Dictionary<string,Effect> _activeEffectSlots = new();
+	private readonly Dictionary<string,Timer> _effectSlotTimers = new();
+
+	[Signal] public delegate void EffectStartedEventHandler(Effect what);
+	[Signal] public delegate void EffectEndedEventHandler(Effect what);
+	[Signal] public delegate void EffectContinuedEventHandler(Effect what);
+	
 
 	public virtual void GiveEffect(Effect what)
 	{
@@ -65,7 +70,22 @@ public partial class Entity : Node2D
 		{
 			return;
 		}
-		int slot = (int)what.Slot;
+
+		string slot = what.Slot;
+		if (_activeEffectSlots.ContainsKey(slot) == false)
+		{
+			InitSlot(slot);
+		}
+
+		if (what == _activeEffectSlots[slot])
+		{
+			EmitSignal(SignalName.EffectContinued, what);
+		}
+		else
+		{
+			EmitSignal(SignalName.EffectStarted, what);
+		}
+
 		if (_activeEffectSlots[slot] != null)
 		{
 			_effectSlotTimers[slot].Stop();
@@ -76,24 +96,39 @@ public partial class Entity : Node2D
 
 		what.Enter(this);
 		_activeEffectSlots[slot] = what;
+
+	}
+
+	private void InitSlot(string key)
+	{
+		_activeEffectSlots.Add(key, null);
+
+		var timer = new Timer() { Autostart = false, OneShot = true };
+		AddChild(timer);
+		timer.Timeout += () => { EndEffectAtSlot(key); };
+		
+		_effectSlotTimers.Add(key, timer);
+
 	}
 
 	public void EndEffect(Effect what)
 	{
-		what.Exit(this);
-		_activeEffectSlots[(int)what.Slot] = null;
+		EndEffectAtSlot(what.Slot);
 	}
 
 	public void ProcessEffects()
 	{
-		for (int i = 0; i < Utility.EffectSlotCount; i++)
-			_activeEffectSlots[i]?.Process(this);
+		foreach(string key in _activeEffectSlots.Keys)
+			_activeEffectSlots[key]?.Process(this);
 	}
 
-	private void EndEffectAtSlot(int slot)
+	private void EndEffectAtSlot(string slot)
 	{
 		_activeEffectSlots[slot].Exit(this);
 		_activeEffectSlots[slot] = null;
+
+		EmitSignal(SignalName.EffectEnded, _activeEffectSlots[slot]);
+
 	}
 	#endregion
 	#region LocalTimescale
@@ -113,16 +148,6 @@ public partial class Entity : Node2D
 	public override void _Ready()
     {
         HP = MaxHP;
-
-        // Effect timers setup
-        for(int i = 0; i < Utility.EffectSlotCount; i++)
-        {
-            var timer = new Timer() {Autostart = false, OneShot = true};
-            _effectSlotTimers[i] = timer;
-            AddChild(timer);
-            int current_index = i;
-            timer.Timeout += () => {EndEffectAtSlot(current_index);};
-        }
     }
 	#endregion
 }
diff --git a/scripts/components/IEntity.cs b/scripts/components/IEntity.cs
deleted file mode 100644
index 7446c70..0000000
--- a/scripts/components/IEntity.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using Godot;
-
-namespace Newlon.Components;
-
-//
-// Base interface for entities
-//
-public interface IEntity
-{
-    public int Hp { get; }
-    public int MaxHp { get; }
-    public void TakeDamage(int amount, Node origin, Utility.DamageTypes damageType = Utility.DamageTypes.PHYSICAL);
-    public void Heal(int amount, Node origin);
-    public void DisableBrain();
-    public void EnableBrain();
-}
-    
\ No newline at end of file
diff --git a/scripts/components/IEntity.cs.uid b/scripts/components/IEntity.cs.uid
deleted file mode 100644
index c16d5f4..0000000
--- a/scripts/components/IEntity.cs.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://cjdeq452vk2ll
diff --git a/scripts/components/ILocalTimescale.cs b/scripts/components/ILocalTimescale.cs
deleted file mode 100644
index e60865a..0000000
--- a/scripts/components/ILocalTimescale.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-namespace Newlon.Components;
-
-public interface ILocalTimescale
-{
-    public float LocalTimescale { get; set; }
-}
\ No newline at end of file
diff --git a/scripts/components/ILocalTimescale.cs.uid b/scripts/components/ILocalTimescale.cs.uid
deleted file mode 100644
index 48a6d9b..0000000
--- a/scripts/components/ILocalTimescale.cs.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://bxu6ljkmmlgd5
diff --git a/scripts/components/LinearProjectile.cs b/scripts/components/LinearProjectile.cs
index 156c486..f9ad5c0 100644
--- a/scripts/components/LinearProjectile.cs
+++ b/scripts/components/LinearProjectile.cs
@@ -17,8 +17,6 @@ public partial class LinearProjectile : Area2D, IProjectile
     [Export]
     private Effect _impactEffect;
     [Export]
-    private Utility.DamageTypes _damageType = Utility.DamageTypes.PHYSICAL;
-    [Export]
     private PackedScene particles;
     private int _line;
     private bool used = false;
@@ -33,13 +31,13 @@ public partial class LinearProjectile : Area2D, IProjectile
     public void OnAreaEntered(Area2D area)
     {
         if (used == true) return;
-        var entity = area.GetParent<IEntity>();
+        var entity = area.GetParent<Entity>();
         if (entity != null)
         {
-            entity.TakeDamage(_damage,this,_damageType);
+            entity.TakeDamage(_damage,this);
             used = true;
-            if (entity is IEffectHandler effectHandler && _impactEffect != null)
-                effectHandler.GiveEffect(_impactEffect);
+            if (_impactEffect != null)
+                entity.GiveEffect(_impactEffect);
 
             PoolContainer.Instance.SpawnParticles(particles, GlobalPosition);
 
diff --git a/scripts/components/gui/choose_your_seeds/Previewport.cs b/scripts/components/gui/choose_your_seeds/Previewport.cs
index bb90799..71a1709 100644
--- a/scripts/components/gui/choose_your_seeds/Previewport.cs
+++ b/scripts/components/gui/choose_your_seeds/Previewport.cs
@@ -44,7 +44,7 @@ public partial class Previewport : SubViewport
 		title.Text = Tr(resource.name_key);
 		description.Text = Tr(resource.description_key);
 		AddChild(current_display);
-		if (current_display is IEntity entity)
+		if (current_display is Entity entity)
 			entity.DisableBrain();
 	}
 
diff --git a/scripts/components/plants/Eyesight.cs b/scripts/components/plants/Eyesight.cs
index 7922358..2480476 100644
--- a/scripts/components/plants/Eyesight.cs
+++ b/scripts/components/plants/Eyesight.cs
@@ -7,7 +7,7 @@ public partial class Eyesight : Area2D
 {
     private bool _enemyDetected;
     public bool EnemyDetected => _enemyDetected;
-    private readonly List<IEntity> _detectedEntities = new List<IEntity>();
+    private readonly List<Entity> _detectedEntities = new List<Entity>();
     private RuntimePlantData _plantData;
 
     public override void _Ready()
@@ -19,7 +19,7 @@ public partial class Eyesight : Area2D
 
     public void OnAreaEntered(Area2D area)
     {
-        var entity = area.GetParent<IEntity>();
+        var entity = area.GetParent<Entity>();
         if (entity != null)
         {
             _detectedEntities.Add(entity);
@@ -30,7 +30,7 @@ public partial class Eyesight : Area2D
 
     public void OnAreaExited(Area2D area)
     {
-        var entity = area.GetParent<IEntity>();
+        var entity = area.GetParent<Entity>();
         if (entity != null)
         {
             if (_detectedEntities.Contains(entity))
diff --git a/scripts/components/zombies/RuntimeZombieData.cs b/scripts/components/zombies/RuntimeZombieData.cs
index e0fcef0..bf4a64a 100644
--- a/scripts/components/zombies/RuntimeZombieData.cs
+++ b/scripts/components/zombies/RuntimeZombieData.cs
@@ -1,162 +1,48 @@
-using System.Collections.Generic;
 using Godot;    
-using Newlon.Systems.Effects;
 
 namespace Newlon.Components.Zombies;
 
-public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale, IEffectHandler    
+public partial class RuntimeZombieData : Entity
 {
-    [Signal]
-    public delegate void OnHPChangedEventHandler(int deltaHP, Node origin);
-    [Signal]
-    public delegate void OnDamagedEventHandler();
-
-    [Signal]
-    public delegate void OnLocalTimescaleChangedEventHandler(int currentTimescale);
-
-    [Export]
-    private int _hp;
-    [Export]
-    private int _maxHP;
     [Export]
     private Armor _armor;
-
     [Export]
     private AudioStream garlicSound;
     [Export]
     private AudioStream freezeSound;
-    
-
-    private float _localTimescale = 1.0f;
-    public int Hp => _hp;
-
-    public int MaxHp => _maxHP;
-
     public bool AbleToEat = true;
 
-    public float LocalTimescale
-    {
-        get => _localTimescale;
-        set
-        {
-            _localTimescale = value;
-            EmitSignal(SignalName.OnLocalTimescaleChanged,_localTimescale);
-        }
-    }
-
-    public override void _Ready()
-    {
-        _hp = _maxHP;
-
-        // Effect timers setup
-        for(int i = 0; i < Utility.EffectSlotCount; i++)
-        {
-            var timer = new Timer() {Autostart = false, OneShot = true};
-            _effectSlotTimers[i] = timer;
-            AddChild(timer);
-            int current_index = i;
-            timer.Timeout += () => {EndEffectAtSlot(current_index);};
-        }
-    }
-
-    public void Heal(int amount,Node origin)                        
-    {
-        if(_armor != null)
-        {
-            _hp += _armor.Heal(amount);
-        }
-        else
-            _hp += amount;
-        EmitSignal(SignalName.OnHPChanged,amount,origin);
-
-        if (MaxHp > 0)
-        {
-            _hp = MaxHp;
-        }
-    }
-
-    public void TakeDamage(int amount, Node origin, Utility.DamageTypes damageType = Utility.DamageTypes.PHYSICAL)
+    public override void Heal(float amount, Node origin)
     {
         if (_armor != null)
         {
-            _hp -= _armor.RecieveDamage(amount);
+            HP += _armor.Heal(amount);
         }
         else
-            _hp -= amount;
-        EmitSignal(SignalName.OnHPChanged,-amount, origin);
+            HP += amount;
+        EmitSignal(SignalName.OnHPChanged, amount, origin);
+
+        if (HP > MaxHP)
+        {
+            HP = MaxHP;
+        }
+    }
+
+    public override void TakeDamage(float amount, Node origin)
+    {
+        if (_armor != null)
+        {
+            HP -= _armor.RecieveDamage(amount);
+        }
+        else
+            HP -= amount;
+        EmitSignal(SignalName.OnHPChanged, -amount, origin);
         EmitSignal(SignalName.OnDamaged);
 
-        if (_hp <= 0)
+        if (HP <= 0)
         {
-            QueueFree();
+            KillByDamage();
         }
     }
 
-    #region Effects system
-    private readonly Effect[] _activeEffectSlots = new Effect[Utility.EffectSlotCount];
-    private readonly Timer[] _effectSlotTimers = new Timer[Utility.EffectSlotCount];
-
-    // Effect handling
-
-    public void GiveEffect(Effect what)
-    {
-        int slot = (int)what.Slot;
-        if (_activeEffectSlots[slot] == null)
-        {
-            switch (what.Slot)
-            {
-                case Utility.EffectSlots.FREEZE:
-                    AudioSequencer.Play("zombie_freeze", freezeSound);
-                    var settings = new ChannelSettings();
-                    settings.restartTreshold = -1;
-                    AudioSequencer.ChangeSettings("zombie_freeze",settings);
-                    break;
-                case Utility.EffectSlots.GARLIC:
-                    AudioSequencer.Play("zombie_garlic", garlicSound);
-                    
-                    break;
-            }
-        }
-        if (_activeEffectSlots[slot] != null)
-            {
-                _effectSlotTimers[slot].Stop();
-                _activeEffectSlots[slot].Exit(this);
-            }
-        _effectSlotTimers[slot].WaitTime = what.Duration;
-        _effectSlotTimers[slot].Start();
-
-        what.Enter(this);
-        _activeEffectSlots[slot] = what;
-    }
-
-    public void EndEffect(Effect what)
-    {
-        what.Exit(this);
-        _activeEffectSlots[(int)what.Slot] = null;
-    }
-
-    public void ProcessEffects()
-    {
-        for(int i = 0; i < Utility.EffectSlotCount; i++)
-            _activeEffectSlots[i]?.Process(this);
-    }
-
-    private void EndEffectAtSlot(int slot)
-    {
-        _activeEffectSlots[slot].Exit(this); 
-        _activeEffectSlots[slot] = null;
-    }
-
-    public void DisableBrain()
-    {
-        GetNode<AnimationPlayer>("AnimationPlayer").ProcessMode = ProcessModeEnum.Pausable;
-        ProcessMode = ProcessModeEnum.Disabled;
-    }
-
-    public void EnableBrain()
-    {
-        GetNode<AnimationPlayer>("AnimationPlayer").ProcessMode = ProcessModeEnum.Inherit;
-        ProcessMode = ProcessModeEnum.Inherit;
-    }
-    #endregion
 }
diff --git a/scripts/systems/effects/Effect.cs b/scripts/systems/effects/Effect.cs
index 43d6e0e..aa80f70 100644
--- a/scripts/systems/effects/Effect.cs
+++ b/scripts/systems/effects/Effect.cs
@@ -5,7 +5,7 @@ namespace Newlon.Systems.Effects;
 public abstract partial class Effect : Resource
 {
     [Export] public float Duration;
-    [Export] public Utility.EffectSlots Slot;
+    [Export] public string Slot;
     public abstract void Enter(Node target);
     public abstract void Process(Node target);
     public abstract void Exit(Node target);
diff --git a/scripts/systems/effects/IEffectHandler.cs b/scripts/systems/effects/IEffectHandler.cs
deleted file mode 100644
index 6c9b758..0000000
--- a/scripts/systems/effects/IEffectHandler.cs
+++ /dev/null
@@ -1,8 +0,0 @@
-namespace Newlon.Systems.Effects;
-
-public interface IEffectHandler
-{
-    void GiveEffect(Effect what);
-    void EndEffect(Effect what);
-    void ProcessEffects();
-}
\ No newline at end of file
diff --git a/scripts/systems/effects/IEffectHandler.cs.uid b/scripts/systems/effects/IEffectHandler.cs.uid
deleted file mode 100644
index 8c581ef..0000000
--- a/scripts/systems/effects/IEffectHandler.cs.uid
+++ /dev/null
@@ -1 +0,0 @@
-uid://eeqk3fvjwg31
diff --git a/scripts/systems/effects/SlownessEffect.cs b/scripts/systems/effects/SlownessEffect.cs
index 1491a2c..19d7a4e 100644
--- a/scripts/systems/effects/SlownessEffect.cs
+++ b/scripts/systems/effects/SlownessEffect.cs
@@ -11,21 +11,20 @@ public partial class SlownessEffect : Effect
 
     public override void Enter(Node target)
     {
-        if (target is IEffectHandler handler)
+        if (target is Entity entity)
         {
-            if (target is ILocalTimescale timescalable)
-                timescalable.LocalTimescale *= Multiplier;
-            if (target is CanvasItem canvasItem)
-                canvasItem.Modulate = ColorOverride;
+            entity.LocalTimescale *= Multiplier;
+            entity.Modulate = ColorOverride;
         }
     }
 
     public override void Exit(Node target)
     {
-        if(target is ILocalTimescale timescalable)
-            timescalable.LocalTimescale /= Multiplier;
-        if(target is CanvasItem canvasItem)
-            canvasItem.Modulate = Colors.White;
+        if (target is Entity entity)
+        {
+            entity.LocalTimescale /= Multiplier;
+            entity.Modulate = Colors.White;
+        }
     }
 
     public override void Process(Node target)