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How do I make Skills act like Items. What I mean is, how do you make it so that you can have duplicates of the same skill and when they are all used, you forget the skill?
Well, you can have the skill make the user forget it after it's been used with an event called by the skill, I suppose. I don't think that would let you have multiple instances of the skill, but you could have multiple duplicates of the skill with the same name.