Dark Scheme - Gates of the Underworld Structure Deck

Bastard!! Heavy Metal, Dark Fantasy is a Japanese manga series written and illustrated by Kazushi Hagiwara. It began its serialization in Shueisha's shōnen manga magazine Weekly Shōnen Jump in 1988, after debuting with a pilot one-shot in that magazine in 1987, and has continued irregularly in the seinen manga magazine Ultra Jump since 2000, with its latest chapter released in 2010. As of 2012, 27 collected tankōbon volumes have been released. The pilot one-shot was remade by Tatsuya Shihara and published in Ultra Jump in July 2023. The manga was formerly licensed for English release in North America by Viz Media; only the first 19 volumes were released.