I always forget about combustion bending because of how rare it was.
Ice is just frozen water so idk if it should really count. Healing is a nice benefit but water is also the least likely element to be around unless you live near a major body of it.
Water has healing (and ice, technically). Fire has combustion and also has lava. Also, blood bending is OP
I headcannon combustion bending as a mix of air and fire
I always forget about combustion bending because of how rare it was.
Ice is just frozen water so idk if it should really count. Healing is a nice benefit but water is also the least likely element to be around unless you live near a major body of it.
Katara healed Aang while riding on Appa. I think they can manage.