[Zuko is just a raging ball of angry... until Wan grabs his arm and says the things he does. And he actually pauses, a flash of shock and guilt crossing his face.

Then... SCAR FACE.

Guilt gone.

Yanking his arm out of Wan's grasp, Zuko roars angrily once more and charges at Kai with fire in his hand. ... Just when Korra's air blast hits him from behind and sends him careening out of control in Kai's direction.]