Hajime and Yue are attacked by a giant scorpion monster. Yue feeds on Hajime’s blood, recovering her magic, and they kill the scorpion. While eating the flesh Hajime tells Yue all vampires were exterminated 300 years ago, making her the last vampire. Yue explains the labyrinths were built by Mavericks, powerful magic users who attempted and failed to defeat God, so they each constructed a labyrinth as sanctuaries against Gods revenge and may still be alive on the deepest floors...