One day, countless dungeons suddenly appeared in the world
and human beings ushered in the “dungeon era”.
The boss of the abyss-rank dungeon, Adesalai
was killed by human players using despicable means.
Unwilling, he was reincarnated in a weak and useless player also accidentally opened
the exclusive boss system, using the system to conquer the dungeon and become the special ability of the dungeon master, he started his own road of revenge.