"My inability to enter the city seems more associated with with the fact that a thoroughly corrupt and malevolent individual has implanted a fragment of his heart within me. My own will is far too strong for him to overwrite my identity so easily, but the city's wards have no way to be certain of that."

He shakes his head as he opens the energy bar. It's a heavily complicated situation, and he knows he would have made the same call about Xehanort vessels in general terms.

"Though, your point holds, as it was that same person who made me into what I am. The first time, at least. I willingly sacrificed my humanity the second time, to place myself in a position to oppose him. And as for your question, my body is composed of a mix of magic, a balance of light and darkness, and the manifested concept of Nothingness. My physical body has faded away, as I should not exist according to the typical laws of nature."