Answer: WREAKS

AnswerCrossword Clue
WREAKSBrings about
WREAKSCauses
WREAKSInflicts
WREAKSUnleashes
WREAKSProduces
WREAKSCreates, as havoc
WREAKSUnleashes chaos
WREAKSInflicts, as havoc
wreaksto inflict (punishment, vengeance, etc.)