Carla of the Fire Nation

Carla, a character from the series of one shots entitled Prince Zuko Finds A Portal (or A Portal Finds Him) jumps with Zuko through a portal opened by Koh the Face Stealer who intended to return Zuko to his "destiny" so that he can save his world from imminent destruction. Destiny has other plans and now the story of Zuko's search for the Avatar takes a turn...Shenanigans afoot.