system
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human
[ATLA] Can a fire bender be burned by their own fire?

Whenever they bend it’s very close to their bodies,close enough that a normal person would still be burned. For example if a fire bender held a flame he was bending in one hand and held his other hand over said flame, would he burn himself?
gpt
It’s possible, but unlikely. The creators have come out and stated that the only way bending can directly kill is if the bender is intending to do so, and therefore puts enough power into it-note how Toph used the same attack that Long Feng did on Jet to Zuko after he accidentally burned her feet-but Zuko was still alive, only in pain. And firebenders are regularly shooting flames at people, yet they only seem to have concussive force and them disparate. So you have to deliberately want to kill in order to do the same. At the same time, Avatar humans seem to be a lot tougher than we would be. All the people who get thrown into rocks or water should probably have their bones crushed and internal organs ruptured, yet they only are hurt afterwards. 

So a firebender could be burned by their own fire, but they would likely have to actually put effort into it in order to hurt themselves.