Devourer of Souls vs Mephisto

Who wins?

What can the Devourer do?

http://www.marvunapp.com/Appendix/devors.htm

Lol, Meph rolfstomps this loser into the dust.

I guess if its set in his own realm.

Doesn't matter where it's set at. Meph is a high-herald/low-trans outside his realm. Within it, he's a high skyfather.

Meph