It’s a death match between heavy hitting Psionics. All are in characters.

Shaman X-Man
Cassandra Nova
Onslaught (No Nate or Franklin)
Cable Not Hindered by the T.O.
Psy Lord
Legion
Hector Hammond
Martian Manhunter
Fernus

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For arguments sakes and to avoid a entire political dilema, Psy Lords Big Band Like attack (or more like an anti-mater blast) is banned.
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Who would come out on top, and if possible rank them with a short explanation.