Shadow Slave: Immortal Ice

THE FIC IS DARK AND GORY SO PLEASE KEEP THAT IN MIND BEFORE STARTING TO READ

Eirwen, a rich and spoiled guy who gets infected by the Nightmare Spell. Immediately in his first trial he gets tangled up in the affairs of the Underworld, a strange place located God knows where.
Eirwen gains insanely strong powers and a mysterious companion/teacher, Leviathan, whose goal is to reach the last layer of Hell through Eirwen‘s help.