Bastard!! Ankoku no Hakaishin (ONA)

Step into a post-apocalyptic realm where magic and mayhem reign supreme, and humanity teeters on the brink of annihilation. When ancient evils stir and threaten to plunge the world into eternal darkness, the only hope lies in resurrecting a legendary, notoriously unpredictable wizard. Prepare for a wild ride as this formidable, yet morally ambiguous, sorcerer is unleashed upon a world that desperately needs saving – whether it wants his particular brand of salvation or not. Witness a dark fantasy adventure packed with explosive action and irreverent comedy, as this powerful magic-user battles hordes of demons and confronts apocalyptic threats. With bionic powers and an undeniable flair for the dramatic, his quest to avert disaster is anything but conventional. Expect a thrilling, over-the-top journey through a richly imagined, war-torn landscape, where excessive violence and ecchi antics are just part of the chaotic charm.

✦ AI-drafted summary