[Katara starts walking, continuing on the path, but with a change of destination in mind. Sorry, Nami, she has bigger worries. Katara will subtly direct them towards the river, but it's a good ten minutes away from their position.

Explaining this...

Breathe.]

In my world, there are - were - four nations, and each nation is aligned with one of the four elements. There's the Earth Kingdom, the Fire Nation, the Water Tribes, and [she glances at him searching his face for any sign of recognition] the Air Nomads.