N had saved the Universe from Cyn, but he had lost everything in the process. Uzi had to sacrifice herself to get rid of Cyn, and V did too. J died along with Cyn.

N wanders back to the corpse of the worker drone's spire on Copper-9, sitting inside alone as he stares lifelessly at the cold. But then he notices something in the corner of his eyes

A new face: You