http://www.onemanga.com/Bastard/4/05/ Circa 1986 or so, I think. Anime is so funny when it laps itself.
(although Bastard is particularly funny. The whole thing is like a perverted D&D game run by metalheads. The main characters live in "Metallicana" there's a "Castle Judas" and there are spells with names like "Venom" "Slayer" and "Megadeath")