User blog comment:WhiteArmor/Anything Espada/@comment-1932702-20100412164356

But nothing beats the instantaneous Cero Oscuras (sure Hollow Ichigo/Ultimate Beast/ Invincible Monster easily coutered with his own Cero, but still).

Not to mention, it's BLACK!! A Black Cero coming at ya with Ulquiorra's power at half the speed of light or something...fearsome...