The Unnamed Son of Odin is a Norse demigod son of Odin and an einherji.
History[]
He was born to Odin and an unknown mortal parent. At one point in his life, he died a heroic death and was chosen to become an einherji.
Magnus Chase and the Gods of Asgard[]
The Sword of Summer[]
When he was revealed to be a son of Odin, the Thanes and einherjar were amazed as the All-Father has not been seen in years. They took his presence as a sign that Odin was still out there.