A mysterious group called Humarize strongly believes in the Quirk Singularity Doomsday theory which states that when quirks get mixed further in with future generations, that power will bring forth the end of humanity. In order to save everyone, the Pro-Heroes around the world ask UA Academy heroes-in-training to assist them and form a world-class selected hero team. It’s up to the heroes to save the world and the future of heroes in what is the most dangerous crisis to take place yet in My Hero Academia.
Goblin Slayer and his party head up to the snowy mountains in the north after receiving that request from the Sword Maiden to find any information on the Noble Fencer that disappeared after leaving to slay some goblins. A small village gets attacked, they encounter a mysterious chapel, and something about how these goblins are acting bothers the Goblin slayer. In order to save the captured Noble Fencer, the Goblin Slayer and his party head to an ancient fortress covered in snow to face off with a powerful foe and a horde of goblins!