Oh, yes, righty-o, then.
@WHD: Is it mediumship or some form of possession/be open to possession? No.
Is it that power that let's you host/be taken over by a ghost/otherworldly entity to get superpowers? No.
I hope I get right and read it in time - when I got it right the last time, some else posted a riddle before I knew I won. Sorry, but it looks like Ves is closer to winning.
@Ves: No.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)