Tactical Nuke

The Tactical Nuke is a Daedric Artifact found in Completing the Mission.

During the Toppat 4 Life Ending (RPE + PD) Ellias Bahtchin has a choice to get 'Phantom' to deploy a nuclear bomb.

Fail message
Gee, the Center for Chaos Containment sure has a surplus of nuclear bombs, huh...