Dungeon

Dungeon is one of the Ruins, located in the Vanheim Principality. Its Automaton is Lu Caria, while its Ragnarok is Fenrir.

Singlen Arc
Dungeon is captured a week after the capture of Babel. The capture is performed by an alliance of the Blackend Kingdom, the Vanheim Principality and the Turkimes Confederation. They have a difficult fight against the Ruin's Ragnarok and receive considerable damage, but they take care of it safely.