When the party happens upon a town whose inhabitants are all mysteriously asleep, it's time for their newest traveling companion to prove his mettle.

The aspiring first-class mages now face their second test: conquering the Ruins of the King's Tomb. A simple task, or so the proctor claims, but there's a reason this particular dungeon remains unexplored.

To defeat Spiegel, Frieren and Fern fight against Frieren's replica, but have a tough time. Meanwhile, Denken, Lavine, and the others fight against the replicas, but the magic of Sense, a first-class mage and the exam's proctor, rages.