The Otherworlder, Exploring the Dungeon, Vol. 3 (light novel)

Though the loss of Arvin and Zenobia still weighs heavy on their hearts, Souya and hisremaining party members steel themselves to take on the dungeon once again. Thistime, they're up against their greatest trial yet: The Deranged Stratum, a periloussection of the labyrinth where a malevolent being has been abducting countlessvictims. And it looks like Lana is its next target...