FinalBattle/Item.cs

public abstract class Item
{
    public string? Description {get; set;}
    public int ItemDamageModifier {get; set;} = 0;
    public int ItemDamageReduction {get; set;} = 0;
    public string? ActionEnable {get; set;}
    public string? IsEquippedBy {get; set;}

    public static void EquipItem(Character character, Item item)
    {
        if (character.equipedItems.Count == 0)
        {
            ColoredConsole.WriteLine($"{character.name} has equipped {item.Description}", ConsoleColor.Yellow);
            Thread.Sleep(1500);
            item.IsEquippedBy = character.name;
            character.equipedItems.Insert(0, item);
            GameState.Instance.heroInventory.Remove(item);
            character.CharacterEnabledActions[0] = Convert.ToString(item.ActionEnable);
            CheckEquipped(character, item);
        }
        else
        {
            ColoredConsole.WriteLine($"{character.name} has unequipped {character.equipedItems[0].Description}.", ConsoleColor.Yellow);
            ColoredConsole.WriteLine($"{character.name} has equipped {item.Description}", ConsoleColor.Yellow);
            Thread.Sleep(1500);
            item.IsEquippedBy = character.name;
            foreach (Item equipped in character.equipedItems)
            {
                GameState.Instance.heroInventory.Add(equipped);
            }
            character.equipedItems.Clear();
            character.equipedItems.Insert(0, item);
            GameState.Instance.heroInventory.Remove(item);
            character.CharacterEnabledActions[0] = Convert.ToString(item.ActionEnable);
            CheckEquipped(character, item);
        }
        return;
    }

    public static void UnequipItem(Character character, Item item)
    {
        ColoredConsole.WriteLine($"{character.name} has unequipped {item.Description}.", ConsoleColor.Yellow);
        Thread.Sleep(1500);
        GameState.Instance.heroInventory.Insert(0, item);
        character.equipedItems.Clear();
        character.CharacterEnabledActions.Insert(0, "Punch");
        character.CharacterEnabledActions.Remove(item.ActionEnable);
        return;
    }

    public static void CheckEquipped(Character character, Item item)
    {
        if (character.name == "Vin Fletcher")
        {
            if (item.Description == "Vin's Bow")
            {
                character.CharacterEnabledActions[0] = "Quick Shot";
                return;
            }
            else return;
        }
        if (character.name != "Vin Fletcher")
        {
            if (item.Description == "Hero's Sword")
            {
                character.CharacterEnabledActions[0] = "Hero's Sword";
                return;
            }
            else return;
        }
        else
        {
            return; 
        }
    }
}


public class Sword : Item
{
    public Sword()
    {
        Description = "Hero's Sword";
        ItemDamageModifier = 2;
        ActionEnable = "Sword Attack";
    }
}

class Armor : Item
{
    public Armor()
    {
        Description = "Armor";
        ItemDamageReduction = 1;
    }
}

class Bow : Item
{
    public Bow()
    {
        Description = "Vin's Bow";
        ItemDamageModifier = 2;
        ActionEnable = "Bow Shot";
    }

}