The cero oscuras is different than a normal cero. Espada can use the cero oscuras in ther released form, that does not mean all ceros they fire are a cero oscuras.
Ulquirria said when an Espada is in their resurreccion form their cero darkens and becomes Cero Oscuro, so how come her battle with Toshiro Hitsugaya, Tier's cero looked normal
The cero oscuras is different than a normal cero. Espada can use the cero oscuras in ther released form, that does not mean all ceros they fire are a cero oscuras.
The cero oscuras is different than a normal cero. Espada can use the cero oscuras in ther released form, that does not mean all ceros they fire are a cero oscuras.