Disclaimer: I do not own Avatar: The Last Airbender. But I do, for the time being, own the concept of "bloodbending".
Chapter 1: The Encounter
Sokka chopped at another thick bush in his way, sulking even more. He had been assigned the duty of foraging to refill their stores, yet again. He even thought he had heard Aang and his sister laughing when he had left the camp. He silently asked why he always had to do all the work while they played around the whole time.
A sudden sound made the young warrior stop in his tracks. He heard a branch break; thinking it was an animal, he slowly drew a bola from his waist. He crept toward the source of the sound with caution. Slowly and carefully nudging a bush to the side he caught his first glimpse of something very different from a simple badger-squirrel.
A boy, who was maybe a year or two older than Sokka, stood in a clearing waving his arms around. He was moving similarly to how Katara moved when she was bending water, but there was no source of moisture anywhere nearby. It was easily seen that the boy, whoever he was, was panting and sweating terribly, as if he had been doing this for hours (which he had been, though Sokka didn't know that).
Then, very suddenly, the boy stopped moving and looked around as if he knew he was being watched. Sokka panicked; what sort of noise had he made? He hadn't been moving at all during that time. The mysterious boy's eyes fell upon the other's position and he began to wave his arms as if manipulating the flow of water. The young warrior, who held pride in the fact that he possessed a strong constitution, suddenly was light-headed and very quickly felt faint. He tried to say something, but the only one who would listen was the ground, as it was coming to introduce itself to his face.
He awoke during the evening, it seemed at first, since it was very dark and he could see stars. Then he realized that he had a bag on his head, as it was difficult to breathe and he could feel the rough material rubbing against his face. He tried to move, but he quickly discovered his hands were restrained. He examined the knot on the ropes, realizing that whoever held him captive was very good at fisherman's knots, as the ropes were reinforced thrice with such.
A voice came from in front of Sokka, saying, "Don't bother trying to untie those ropes. You'll be at it for hours." Sokka could only guess that this voice belonged to the boy he had seen earlier.
"What happened?"
"You experienced a bad nosebleed."
Confused by this statement, as Sokka knew that nosebleeds happened at extremely high altitudes and when you see someone who's really hot (and he knew that neither happened), he experimented by moving his upper lip around. He started to feel something that was crusted underneath his nose and noticed the coppery smell of blood.
Incredulous at this discovery, he asked his captor, "How the hell did that happen?"
The boy smiled, though Sokka couldn't see that, and replied, "I did that. By manipulating your life source."
The water-tribe boy was silent in confusion. "What is he talking about?"
Sighing, the other boy answered, "I can bend blood."
A/N: I might actually write more chapters for this fic, since it's fun to write about Sorus. Please review, and try not to flame.
PS - I know it's a little short, but gimme some credit. I've been messing around with this idea for a few months. Also, the second chapter may take a while to put up, since my schedule is so busy…