For atlaland on lj, for the prompt dance.
Disclaimer: I don't own Avatar.
No one else was there to help them, so back to back stood two young women, once rivals. Surrounding them was a mix of mob and soldiers. All of them were red with righteous anger, armed, and advancing quickly.
So the two did what both knew best. In a way that was seemingly synchronized, both jumped into the fray. Water swirled in knife-like swathes through the crowd, backed up by searing blue flames. When her water ran out, the blue-clad girl had to rely on her fighting partner for the few dangerous seconds it took to drain a nearby bush of its liquids. The same went when the red-dressed fighter took a few moments making complicated bending gestures. She was rewarded by a huge bolt of lightning; that; while eliminating few opponents, scared off more than a few.
Shouts from the mob disappeared as the number of civilians dwindled. Now the two were just facing down soldiers, a highly-trained squad of non-benders. The true battle; the test of ability; had begun. Water split an arrow as it headed toward a black-haired head; flames melted a sword inches away from a blue-draped back. All the while each girl was systematically taking out her opponent one at a time.
When blue fire downed the last, the Water Tribe warrior-girl dropped her octopus stance, releasing the arms of water she had been using so precisely. Likewise, the Fire Nation princess relaxed her stance somewhat, back to her military-esque walk.
Turning to each other, the two most powerful 18-year-olds in the world realized that this was a good way to get rid of grudges.
fin.