User blog comment:Stbk22/Possible Power up's/Techniques for then new group DxD/@comment-1884090-20140204160946/@comment-1359322-20140205113442

The "Strongest Team in the Underworld" vs. "The Son of the original Lucifer and Lilith".

Sounds like a pretty nice battle, though Sirzechs' team would undoubtedly win unless Rizevim has some followers help him in that battle.