Cero Oscuras
Kanji 黒虚閃 (セロ・オスキュラス)
Rōmaji sero osukyurasu
English Spanish for "Dark Zero"

Japanese for "Black Hollow Flash"

Technique Type Cero
User Ulquiorra Cifer

Cero Oscuras (黒虚閃 (セロ・オスキュラス), sero osukyurasu; Spanish for "Dark Zero", Japanese for "Black Hollow Flash") is a variation of the Cero technique used by Ulquiorra Cifer in his Resurrección and Resurrección: Segunda Etapa, Murciélago.


The Cero Oscuras is far more powerful than an average Cero, with a vast range and massive attack power. It shattered Ichigo Kurosaki's entire Hollow mask, critically injuring him in the process, and destroyed half of the dome over Las Noches.[1] Though the only Espada who has utilized this technique so far, Ulquiorra told Ichigo "This is the power of a released Espada, the black Cero" and referred to it as "our Cero".[2]


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  1. Bleach manga; Chapter 347, pages 1-2 & 6
  2. Bleach manga; Chapter 346, pages 17-19


Ulquiorra Cifer Techniques
Appearances in Other Media
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