MTL - One Piece Bounty System - v2 Chapter 409 Festival

A black pearl brought Jiang Feng from a doomsday stage where top masters with one emperor, two emperors, three emperors, four deities, and seven peerless cities show off their glory to parallel time and space, and this time and space-the end of the world has not yet opened! !! Under the sky, the youth look up, if I have strength, can I get through … these two time and space! !!

- Description from 69shu

“Young man… if you could go back in time, what period would you like to be in?”

The objective was the World Domination.

108 Demons and their Dungeons descended upon the land as they battled each other to become the Strongest Dungeon Master.

Isaac Constantine, a Demon Baron who managed to survive until the end of the game, only to meet betrayal that lead to his death.

Just as he thought it was over, he received a second chance

[Artefact Sand of Time has been activated.]

[Players can restart the game.]

[Synchronizing…]

[Displaying status]

[Isaac Constantine - Rank 99]

The battle between Dungeon Masters has restarted!

With a thirst for revenge, Isaac swore to create the best Dungeon and the Strongest army to win the game. Demons, Monsters, Superhumans even God himself will know his name.

Follow Isaac's story as he Rebirth to become the strongest Dungeon master

Beings that create and control monsters and demons, beings that build and reign over malicious labyrinths, the chosen individuals to possess an overwhelming Unique Skill… They are the Demon Lords.