You find yourself inside an underground prison. It is very cold here, and you are absolutely alone. You drag out a miserable existence here until one day when a merciful savior comes to save you. He throws a key into your prison cell, thus, giving you a chance to break free. But undead prisoners do not want you to escape. You have to beat them all and kill the immortal Fallen Knight to enjoy freedom again. Can you slay all your rivals and make it out?