User blog comment:Xilinoc/Ch. 564 (Mask is too fabulous to live)/@comment-1904799-20140115175108/@comment-5398287-20140116022142

I wouldn't say this fight progressed in quite the way you described. Renji was dominating Mask until he entered his Fabulous Form, so it was a bit more even than, say, Komamura vs. Bambietta, where one of the combatants was IMMORTAL.