@Ambra I was going to sadly but I've got family about to go into the hospital and I don't want to play such a key character encase I become unreachable for a day or two.
@Double it gives you two abilities, it also allows better dueling. You might be a bit slower and less agile but it's made for in the fact that you are just flat out better in a Keyblade to Keyblade fight. With two blades against one you generally can win pretty easily.