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

Though the loss of Arvin and Zenobia still weighs heavy on their hearts,Souya and his
remaining party members steel themselves to take on the dungeononce again. This
time, they-re up against their greatest trial yet: TheDeranged Stratum, a perilous
section of the labyrinth where a malevolentbeing has been abducting countless
victims. And it looks like Lana is itsnext target...