Originally posted by AlfheimThat would violate the outside help rule, unless you're allowing outside help, in which case I suppose whichever Celestial is fighting can call the other Celestials; unless you're only allowing outside help for the three.
Yeah but they get a weeks prep as rotiart was saying Onslaught could absorb alot of powerful mutants to boost his power.
Even then a mass of mutant power basically equals The Collective, who frankly isn't that impressive.