Implement plasma sword instakill

Zennysoft.Game.Ma/src/items/accessory/Accessory.cs

@@ -36,6 +36,8 @@ public partial class Accessory : EquipableItem
 
   public override int BonusVT => Stats.BonusVT;
 
+  public override int BonusLuck { get => Stats.BonusLuck + _bonusLuck; }
+
   public override ElementalResistanceSet ElementalResistance => new ElementalResistanceSet(Stats.AeolicResistance, Stats.HydricResistance, Stats.IgneousResistance, Stats.FerrumResistance, Stats.TelluricResistance, Stats.HolyResistance);
 
   [Save("accessory_tag")]
@@ -43,6 +45,9 @@ public partial class Accessory : EquipableItem
 
   public override ItemTag ItemTag => Stats.ItemTag;
 
+  [Save("accessory_bonus_luck")]
+  private int _bonusLuck { get; set; } = 0;
+
   [Export]
   [Save("accessory_stats")]
   public AccessoryStats Stats { get; set; } = new AccessoryStats();