Odyssey Knights

Odyssey Knights is the seventeenth episode of the Log Horizon 2 anime and is the third episode of the Route 43 arc.

Synopsis
Continuing on their way to the Redstone mountains, the gang encounters a mysterious group: the Odyssey knights, a group of players who'll do anything to get back home. Their eyes are strangely lifeless, and they're carrying a strange altar that allows its users to ressurect immediately.