Campfire remnants

ASHES

What’s left behind when flames fade and only gray dust remains?

"Campfire remnants" points directly to what’s left after a fire burns out—those gray, powdery bits called ashes. The clue is straightforward with no wordplay or hidden meanings; it simply describes the physical remains of a fire. If you’ve ever sat around a campfire, you’ve seen how the wood eventually turns to ashes once the flames die down. The answer fits perfectly as the common term for that leftover material.