This first turns up in Book 4. Come back when you get there.
character
Thor
First appears in Book 4: The Adversary, chapter 21 (9)
Appearances
B1
B2
B3
B4
Key moments
Book 4 · Ch 21Aiken and Elizabeth confer
Aiken and Elizabeth discuss Marc's teleportation, a meeting to settle matters, and the Monte Rosa assault. Elizabeth shows him Stein, Sukey and baby Thor, and Aiken promises not to interfere.