Hell's Curtain

Hell's Curtain (ヘル カーテイン), full name Flashfire Fist: Hell's Curtain (ヘル カーテイン) is an Ultimate Move performed by Endeavor using the Hellflame Quirk.

Description
Endeavor throws both of his fists back while concentrating all of his flames into a single point. He then throws his arms forward, emitting a massive blanket of flames on to his opponent.

This technique was first used against Tomura Shigaraki during the Paranormal Liberation War.