Legend of Eight Samurai (1983)

Eight mysterious crystals from the body of a long-dead princess now identify the eight samurai who are destined to help a beautiful young princess overcome a curse on her family. They go against an evil queen who bathes in blood to retain her youthfulness. The queen and her son live in a castle protected by many monsters and goblins and assorted apparitions, including giant flying snakes. Many swords, lots of sorcery and plenty of blood.