"My sixteenth birthday," Magnus nods. "Officially of age, by Viking standards." He had been targeted, as the first son of Frey in Boston in an age; he was the only one who could summon Sumarbrander, and Loki's forces wanted the sword to kickstart Ragnarok. "But that was, like... years ago." He really has to work out exactly how many. He's narrowing it down, though. "Somewhere between six and ten at this point, I think?"