Cerberus Nightmare Armor

The Cerberus Nightmare Armor is a set of armor in Mass Effect 3, available by completing an Armax Combat Arena challenge in Mass Effect 3: Citadel. It increases shields, weapon damage, and ammo capacity.

Acquisition
With Mass Effect 3: Citadel installed, achieve over 9,999 points in the Armax Combat Arena. The armor will be offered as a reward, along with the Cerberus Shade Armor and Cerberus Spirit Armor. Only one armor set can be chosen.