Firestone Hot Springs I've got my eyes closed

A theory. Saena frowned thoughtfully. She'd never had a theory before, and didn't think she'd ever be smart enough to come up with one, let alone test it. She wanted to ask Falwasi all kinds of questions about it, like where such a belief had come from and how anyone could possibly go about proving it, but Falwasi presumably wasn't the Naturalist in question. She probably wouldn't have the answers even if Saena asked.

"That's neat," she said, but her breath caught in her throat when Falwasi fearlessly put her foot in the water. Saena had assumed from its rolling surface that the spring water was far too hot to touch, but Falwasi proved otherwise—or, more likely, the Swiftcurrent wolf was rather lucky Saena was next to one of the milder pools. She stared incredulously at the water, debating whether to try and deciding against it.

"Do you think it's possible to see the volcanic activity? Like if you dig enough, or find a cave?"