Backstabbed in a Backwater Dungeon: My Party Tried to Kill Me, But Thanks to an Infinite Gacha I Got LVL 9999 Friends and Am Out For Revenge (Manga) Vol. 13

IN THE HALL OF THE DWARVEN KING! Light's quest for revenge on Naano and his hunt for intel on the secretive Masters leads him to an audience with Dagan, king of the Dwarves! Negotiations go swimmingly once Light offers the king a rare and precious item. So swimmingly, in fact, they end up cooperating to conquer the remnants of an ancient civilization! Countless golems, a magic sea, and more unimaginable challenges await in the ruins—can even the level 9999 crew defeat this dungeon?!