"I'm familiar with that kind of life. If there are enough of us and we work in harmony, soon it will all become second nature and we can focus more on this Darkwalker."

Sounds like the name of a Guardian. Sounds like she could be a Siren. Sounds like it could be many, many things. Amara almost looks like she's excited for the challenge, even completely sodden and freezing and generally somewhat miserable about the entire situation.