Answer: pyros

AnswerCrossword Clue
PYROSPeople who just want to watch the world burn, casually
PYROSFirebugs
PYROSCompulsive fire starters, informally
PYROSArsonists: Slang.
PYROSFirebugs, for short
PYROSOnes involved in match play
PYROSOnes who are always starting something?
PYROSPorno for ...
PYROSOnes drawn to flames, briefly
PYROSFans of fire (Sl.)
PYROSPerry Farrell's Porno for ...
pyrosPYRO, a photographic developing agent
pyrospyromaniac