Board Thread:MMKB Discussion/@comment-26424585-20150630141037/@comment-33173-20150630164108

I think Sigma is more powerful, specially if he uses his giant bodies from X3, X5 and X7.

But considering that Zero (and X) defeated Sigma every time they fought (notably Zero's flashback from X4), and Omega is Zero's original body, ... Omega wins even without the Dark Elf.