"Release dozens of Fireflies, nano-bots with super-bright LED strobes. Fireflies move to new targets when enemies die until they run out of power."
— Description
Firefly Swarm cyber core icon BO3
Blinding Swarm
Weapon Class Cyber Core
Unlocked N/A (purchased)

Firefly Swarm (initially Blinding Swarm before being upgraded) is a Chaos cyber core in Call of Duty: Black Ops III. The upgraded version releases incendiary nano-bots, which will burst into flames on contact with an enemy. In Nightmares it is a Specialist Ability with three charges achieved via a Power Up.


  • Hold Still! - (BronzeBronze Trophy PS3 icon/20Gamerscore) - Kill 6 enemies affected by one Blinding Swarm or Firefly Swarm.