Synopsis
A long time ago, the maou Astaroth invaded the human kingdom, throwing the world into conflict. Eventually, he was defeated by a band of heroes, who stripped him of his powers and sealed him far underground. Two centuries later, rumors spread that the seal had been shattered by recent shifts in the Earth's crust, and that the maou had revived. Many confident adventurers descended into Astaroth's underground labyrinth, aiming to vanquish him and win fame. Little did they realize that he had prepared a trap for them...