Every ending is a new begining.

On the night of November 30th, 2012, The Rikti Warboss U’Kon Gr’ai unleashed his final plan to conquer Earth. Using a multidimensional power source, he converted his downed mother ship into the ultimate bomb.
Detonating the ship, U’Kon set off the biggest neutron bomb ever made. The shockwave disintegrated every living thing in Paragon City. Electronics and any device depending on electricity were disabled. Darkness Fell.

City of Heroes: Dawn of a New Age