"The best I can offer is Eve..." And at her name again, the snake on her neck shifts. "She's a familiar, but she's still a snake. Traversing through rubble and detecting heat should be simple enough. However, that would take time..."

And they probably wouldn't have enough time.

"... all I could offer besides that would mean the survivor we're looking for may require another practiced mage so they can be among the living again. And I might not be able to use healing magic for some time." Which wouldn't be beneficial. "What about your familiar?"