 A 16-year-old Bostonian teenager, Magnus lost his mother Natalie to a mysterious wolf attack two years prior to the events of "The Sword of Summer" and is forced to live in the streets with his homeless friends, Blitz and Hearth.On his 16th birthday, his uncle, Randolph informs him of his divine parentage as a son of a Norse god and his inheritance of "Sumarbrander", the sword that once belonged to his father Frey.After being killed by Surt, a fire giant, Magnus is then carried to Hotel Valhalla by Samirah Al-Abbas, a Valkyrie.