From: Lopen | #044
Aang doesn't have to go out of character to incapacitate Red quickly. Pretty easy to use some combination of wind air and earth to knock a guy out and I don't see him having qualms with doing that he does it in the show plenty with fire nation guards iirc. Just sweep him off his feet with wind and make the earth jut up slightly to conk him in the back of the head after he lands. It's not like he has to use full force or anything, and since Red has no real supernatural defenses or above average toughness I don't see Aang holding back from lethal force really costing him here.
Kind of have to get some sleep right now but I'll try to put some more info on Red when I get up. There's a couple things you guys need to be aware of. Even that big writeup misses a lot of stuff.
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