Improved Energy Turret Badge
From City of Heroes: Rebirth - Wiki
Description
Your group has braved the Cathedral of Pain 100 times. While you were there, you unlocked the secret of the Improved Energy Beam.
How to Get
A supergroup earns this badge by completing the Cathedral of Pain Trial 100 times.
Additional Information
This badge unlocks both the Tech and Arcane version of the Improved Energy Beam Base Item.