BASTARD!!: Ankoku no Hakaishin (ONA)

In a postapocalyptic world of heavy metal fantasy, the only thing able to save humans from orcs, lizard men, and other monsters is something even MORE evil. Sealed within a 14-year-old boy, the chaotic wizard Dark Schneider is unleashed to fight four mighty generals and their plot to resurrect the evil god Anslasax.

(Source: Viz Media)
Note: The first 13 episodes were released worldwide on Netflix on June 30, 2022, while the remaining 11 episodes released on September 15, 2022.