Answer: brimstone

AnswerCrossword Clue
BRIMSTONE

Fire's partner

BRIMSTONE

Fire partner

BRIMSTONE

Material for a fiery sermon?

BRIMSTONE
Sulfur, in sermons
BRIMSTONE
Fire companion
BRIMSTONESpitfire: virago.
BRIMSTONESymbol of Satan.
BRIMSTONESulphur.
BRIMSTONEHellfire's partner
BRIMSTONESulfur
BRIMSTONEFiery rhetoric
BRIMSTONESymbol of biblical wrath