Hitsugaya Toushirou -

In this state, ice flows from his sword onto his body, forming wings and a tail.

Hitsugaya wields the most powerful ice-type Zanpakutō in the Soul Society. Hitsugaya Toushirou

"Sit Upon the Frozen Heavens" ( Sōten ni Za se ). In this state, ice flows from his sword

During the Thousand-Year Blood War , it is revealed that the "ice petals" behind him are a countdown to his Bankai's completion, not its end. Once they vanish, he enters an adult form to handle the immense spiritual pressure of his true power, which can flash-freeze and nullify the abilities of anything it touches. In this state

In this state, ice flows from his sword onto his body, forming wings and a tail.

Hitsugaya wields the most powerful ice-type Zanpakutō in the Soul Society.

"Sit Upon the Frozen Heavens" ( Sōten ni Za se ).

During the Thousand-Year Blood War , it is revealed that the "ice petals" behind him are a countdown to his Bankai's completion, not its end. Once they vanish, he enters an adult form to handle the immense spiritual pressure of his true power, which can flash-freeze and nullify the abilities of anything it touches.