Dex a man Reincarnate to a new world, where unfortunately he spawns in one of the Core Dungeons spread around the world. Core Dungeons being of most importance as they recycle the untouchable world Mana and circulate it to Ambient Mana. The Titan of the world noticed the mistake made right before he awoke and pulled them to their plane temporarily. Where he was offered a boon. Sadly, they could not remove his physical body from the dungeon. The Titan gave him two dice to roll, one 0 to 10, another 0 to 100. The man aware from the late nights playing Dungeons and Dragons. Took the dice, rolled them, and shock appeared on his face. The triple 000’s mockingly stared at him before starting to glow a golden light equal to the Titan's radiant light surrounding him. Regarding the AI Assisted, there are some items, plants, and cover are generated by AI, the story itself is fully written by me.