From the ashes of the Prothean Empire, one of the Reapers' greatest instruments turns against them. Though victorious, the galaxy is left almost beyond recognition. For countless millennium afterwards, the galaxy heals and regrows; however, the same could be said for the very creation the Reapers have banished. Without the Reapers, reenter the Neuroi.

When the strike witches are forced to flee from their home reality they alter the destiny of the Systems Alliance, and the entire galaxy.

Previous named "Generation Effect" by GOBIUS. Long ago in the Prothean Cycle, the Reapers found themselves fighting their own creations called, the Neuroi. In the end, the Reapers banish the last Neuroi in what was supposed to be a supernova. But instead, the Neuroi would soon come back to haunt the galaxy. It's through this cascade of events that would change history forever...

Long ago in the Prothean Cycle, the Reapers unleashed a new weapon called, the Neuroi. Sadly, the Reapers would found themselves fighting their own creations, eventually banishing the last Neuroi in what was supposed to be a supernova. Instead, the Neuroi would terrorize ancient mankind. It is through these changes in the past that galactic history would be changed forever...