The Ring of Eternity has become a yandere for you. The Ring of Eternity is an object that appears in the Sonic the Comic series published by Fleetway Editions. It is a powerful magical entity in the shape of a Giant Ring with a face in the middle. It claims to be the spirit of Planet Mobius, as well as a doorway to all known worlds and times. Tekno the Canary referred to it as a "construction of ancient science and magic".The Ring of Eternity appears to be aware of its existence in all time.