The Assassin's Blade is a City Quest that is part of the Embers and Ice storyline.
The Assassin's Blade
Kirth watches Ryam pack his cart. "Valyrian steel," Ryam mutters. "Bran Stark's attacker wielded Valyrian steel, with a dragonbone hilt no less!"
Sworn Sword Actions
"My bones could use some warmth," Kirth says, climbing onto Ryam's cart. Ryam smiles, "Welcome! Watch over my merchandise, and say farewell to Winterfell."
"The weapon's owner must be livid," Kirth says. "Surely the Starks will find him." Ryam sputters, "They'll stick it between his ribs, no doubt."
"If Bran's lucky, he can keep his good fortune." Ryam pants. "I'm leaving Winterfell for the warmth of King's Landing. I suggest you do the same."
|To the Bone|
An Unexpected Journey
|-||Embers and Ice - III|