"I have so many, Lan Zhan. I gave a couple back to the people who they belong to..and yet I still have extra. My body can't handle so many different powers so I might as well trade them for something I do want."

Who knows what so many powers might do to him eventually. He already knows that using Inquiry too much wore him out. Although he hasn't had any negative effects from Shape shifting yet...if he combined that with a bunch of others his body might just start rejecting things.