Rayearth (炎神 レイアース Enjin Reiaasu) is one of the three legendary guardians of Cephiro. Rayearth first appears in the form of a a wolf with a mane of fire. Rayearth is in fact an ancient mecha used by the Magic Knights to help them combat Zagato and ultimately kill the Pillar. Rayearth is paired with Hikaru Shidou.
- In the OVA series, Rayearth is renamed Lexus.