Richard Chhoa, an animator of the movie posted this gem of an animation. Aang is soooo stressed, the way he's throwing zuko sokka around and slapping tagah TT
I do think medical law (or magic medical law) suits Riddle well. Part of his story, to me, is realizing he doesn't have to reject everything his parents taught him in order to move forward. Growth doesn't necessarily need to mean abandoning his past +