"You could call it magic." She answers, back to vague answers. Or is her answer vague because she doesn't know? Or does she know but not have a word for what it is? Or is she sparing Gyre the details he doesn't need? Either way, her now-empty mug makes the straw-sucking-at-nothing sound and disappears a moment later, followed by the straw.

"It might be sentient."