Related Clues:
- Briquettes, eventually
- Cookout remnants
- Campfire evidence
- Remains from a cremation
- Pneumatics is the study of them
- Fuels (up)
- Pile left after Daenerys's dragons incinerate somebody
- He is one of them, symbolically
- Fireplace flakes
- Radon and ozone
- Rightmost column of the periodic table, e.g
- Argon and krypton, at room temperature
- Incinerator stuff
- Briquettes, ultimately
- Remains after smoking