Hiccup's partner and dragon rider who aids in seeking the Hidden World and discovers it alongside him. She supports his decision to fight Grimmel, marries him, becomes co-chieftain of New Berk, and later visits Toothless with their family.
Hiccup and Astrid share a deep romantic bond that culminates in marriage and shared leadership.
Astrid faces direct opposition from Grimmel's hunting army.
Astrid and Valka coordinate reconnaissance efforts to locate Toothless and track threats.
Astrid and Ruffnut bond as fellow members of the dragon-riding community.