Event: Arya Stark - New Weapon (Political Wins)

Episode 4: The Spoils of War at 19:51
At the Stark sibling reunion party, Bran regifts Littlefinger's Valyrian steel dagger to Arya.

Arya: "Are you sure? It's Valyrian steel."
Bran: "It's wasted on a cripple."
(New Weapon)