thanks a lot for your answers ! Indeed I wondered if I had to skin it but I thought there would be a quicker 'dirty ’ way for grey-box purpose.
Another tutorial that would be very awesome is how to get stats or where to find which slot is equipped with what to then create actions. IE: get the intelligence from the magic hat, and being able to send this to a different blueprint, like 'if intelligence on chara total= 10+, then mana bar = 100 or something. Hope that makes sense.
I’ll also second what others have said, this is a really good system and probably why you’re getting so many inquiries and questions 
You could really use that system in a lot of different types of games.