[But it sounds silly, being hesitant to talk about his powers when they're the very thing he might be here for. The thing that makes him... useful, at least, to this very "mission" they've been set on.]

It's... more like I don't really get to explain it to many people, so I don't know how to start. [From the beginning. Vaguely.] Long story short, I found myself trapped in an alternate dimension for a short while; but when I returned, I was changed.

I had these powers.