Kumo desu ga, Nani ka? Temporada 1 Episódio 17
There was once a legendary creature that dwelled within the Great Elroe Labyrinth, known only as the Nightmare. And there are creatures that the Nightmare created that still dwell in the labyrinth. Shun and his allies attempt to avoid the Nightmares Vestiges, in order to cross through the labyrinth...