 Grimmjow can use the most powerful "Cero "variety out of any Espada, the ; Grimmjow and Ulquiorra claim that all Espadas can use it, but only Grimmjow did in the original manga and anime.This "Cero "variant is banned in Las Noches because it might threaten to destroy the palace.Grimmjow enters the story early in the Arrancar Arc, the third Espada shown but the first to be introduced as such.