As one of the Big Three, Bleach is one of the world's most popular Shonen series. Ulquiorra Cifer is an Arrancar created by Sosuke Aizen, and he served as the 4th Espada. He is a master swordsman with immense spiritual power, and he was the only Espada capable of using a second Resurreccion. Ulquiorra was insanely powerful – to the point that there are only a handful of characters who are strong enough to beat him.
Source：https://www.cbr.com/bleach-characters-stronger-than-ulquiorra/
