Zephyr continues to hone his magic and martial art skills as he prepares to face the Demon Lord again, in part by working with black market broker White Rose. In order to stop the cult of Tartarus worshippers from kicking off the apocalypse, Zephyr will have to work alongside his old rival and take on an extremely dangerous dungeon raid. This volume collects episodes 11-20 of the hit WEBTOON comic.