"And the squirrels," Fuu said, nodding. "It seems like there's something about us that the mist is reacting to."

She sighed and gave Korra a rueful smile. "I have been keeping a mental list, but there are so many strange things, they tend to run into each other. I think that so many of us are fighters is deliberate. And the force that brought us can reach through different worlds, different times. Two large groups of people have been brought in about... a month apart, and both times it's numbered a few dozen. Maybe the Tree is just throwing people at its problems to see what works? Like throwing noodles at the wall to see if they're done."