“Lord of Mysteries: The Fool Arc” (2025) is a dark fantasy web anime adapted from the popular Chinese light novel by Cuttlefish That Loves Diving. Set in a mysterious, steampunk-inspired world, the story follows Zhou Mingrui, who wakes up as Klein Moretti after performing a bizarre ritual. Trapped in a Victorian-era parallel universe teeming with supernatural forces, secret organizations, tarot rituals, and powerful beings known as Beyonders, Klein must uncover the mystery behind his body’s previous owner, survive deadly conspiracies, and navigate a terrifying path to transcendence—while maintaining his sanity.
This 13-episode animation, produced by Tencent Video and animated by B.CMAY Pictures, blends action, mystery, horror, and psychological tension into a gripping tale. With stunning visuals and an eerie atmosphere, it’s a must-watch for fans of dark fantasy and occult thrillers. Simulcasting on Tencent Video and Crunchyroll during the Summer 2025 anime season.