Log Horizon, Vol. 11 (light novel)

The most powerful of theancient race vs the peerless mad-warrior! After becoming completelylost, Krusty finds himself with nothing to do in the enchanted lands of theChinese server. Meanwhile, nearby Krusty's location, Kanami ventures into theSirius Grotto Dungeon to explore. However, Elias is considered "too powerful,"preventing him from entering and participating in the dungeon raid! He begins toharbor doubts about the meaning of his won existence but before long, everythingwill change after his world and Krusty's collide!