Saint Seiya , also known as Saint Seiya: Knights of the Zodiac or simply Knights of the Zodiac, is a Japanese manga series written and illustrated by Masami Kurumada. The story follows five mystical warriors called the Saints who fight wearing sacred sets of armor named "Cloths", the designs of which derive from the various constellations the characters have adopted as their destined guardian symbols, and empowered by a mystical energy called "Cosmo". The Saints have sworn to defend the reincarnation of the Greek goddess Athena in her battle against other Olympian gods who want to dominate Earth. It was serialized in Weekly Shōnen Jump from 1986 to 1990, with the chapters collected into 28 tankōbon volumes by Shueisha.