Only life can defeat the forces of death.

Brennus thought he'd finally find rest after making the ultimate sacrifice to stop the undead plague ravaging the kingdom, but instead he awakens in a strange wilderness to learn he's been reincarnated as a dungeon core.

He quickly learns that the undead have continued to spread across the land during his long absence and that his new dungeon may hold the key to stopping them.

Faced with the almost impossible task of growing his dungeon while facing an endless onslaught of undead, he'll do what he's always done—fight. And he won't give up until he's grown his dungeon into the most powerful in the world.