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. and later used in combination with Hawks's Fierce Wings to protect them from one of All For One's several Quirk Combinations.