"In the end Mance will fail as all the Kings-beyond-the-Wall have failed before him. And when he does, you’ll die. All of you.” Ygritte had looked so angry he thought she was about to strike him. “All of us,” she said. “You too. You’re no crow now, Jon Snow. I swore you weren’t, so you better not be.”
There’s a beast in every man and it stirs when you put a sword in its hand.