The legendary figure said to rule over the Elvish realm of Avalon is King Arthur. In mythology, Avalon is often depicted as a mystical island associated with healing and resurrection. It is where Arthur is said to rest after his injuries in battle, awaiting the time he is needed again. This connection signifies themes of eternity and the cyclical nature of heroism. Avalon serves as a symbol of otherworldly wisdom and magic, reflecting the deep roots of British folklore and the legends surrounding Arthurian traditions.