Commands : Cero.Grandreycero,bala ____________________________________________________________ Cero are high-powered energy blasts that can be fired from various body parts, such as mouth, tongue, hand or fingers. Only Menos, Arrancar, and the Vizards have so far been shown to use Cero attacks, and it appears that stronger entities can use it more efficiently. Various Arrancar and Hollow characters display variants of the technique, such as the Espada-exclusive Gran Rey Cero.