Related Clues:

• It may remain after a fire
• Remnant of burning
• Something in a used fireplace
• A fire produce it
• Proof there was a fire
• Proof of fires
• Cigar's remains
• Cigar output
• ... there's smoke, there's fire. Where there's fire, there's ___
• Left after the barbecue?
• Firewood residue
• Volcano material
• Bit of fire remains
• Burnt hearth bit
• Residue from a burning piece of wood