A Nemesis Plot Badge
From Paragon Wiki Archive
Description
You've tangled with Nemesis himself (at least, you think so...) during the Nemesis Plot Invasion Event event.
How to Get
Be in the zone when Nemesis is defeated during the Nemesis Plot event.
Notes
This badge will still award, whether or not you helped harm Nemesis, and even if he is defeated by, e.g., a Police Drone