This series was inspired by D&D and Heavy metal music.This anime adaptation is from the manga.It one of the best manga's of all time.The series is taken from 40-50 chapters of the manga.This anime is made 1992, and manga itself started in 1988 (its still a ongoing series).The characters are extremely well done.The voice acting is especially is good.This anime is a gem from the 90's.If you are a fan of Dark fantasy and post apocalyptic world this anime is for you.This anime is a mix of both.Its just 6 episodes, yet this still managed to make it excellent. The manga started in 1988, and sold over 30 million copies by the time it was 2008.Check it out for yourself. 10/10.