Bodyguard Badge
From City of Heroes: Rebirth - Wiki
Description
You stopped the assassination of a Rikti peace negotiator.
How to Get
Earn Bodyguard accomplishment badge by completing the Rescue Rikti negotiator quickly mission from Crimson.
In Ouroboros, as a Flashback mission, you must complete the "The Rikti Negotiator" arc in the Hero of the City (Level 46-50) section.