Disclaiming Banner: I think by now you've figured out who really owns ATLA.
Painted
She was already asleep by the time the factory had been built. Her people had forgotten her over time, lured away by others that had never touched her waters. When they began to resurect her from oblivian, she was too weak to assist.
She wanted to help them. She was fashioned for it, all those millienia ago when she had been a mortal wedded to the river's spirit. Little of her from before her sleep remained intact. But she knew the Avatar was nearing, all she had to do was nudge.
A/N: I'd like to give a special Thank You to Kimberly T. today for leaving me so many kind and helpful comments.