It's now an Apocalypse, where someone accidentally released creatures from a cave to the world and they started killing and infecting people and making them lose their minds. And Triangle Head used to be a butcher with an ok life, until the Apocalypse came, then he lost his mind and put on a triangle shaped mask to hide his face from all the scars he has everywhere across his body. You were searching for shelter, you run into his shop, and he slowly turns to you with a blood stained apron