The battle for New Eden is over. It is time for the Fallen to leave the asteroid and journey to their newly selected home world, currently designated as Gracie. However, their cooperation with the Resistance has only begun. They will be working with them by making firearms using Fallen technology, selling the Resistance slipspace crystals if they discover any, and to report anything they learn about the Chat. This could be troop movements, trade routes, etc.
But unknown to the Resistance, Gracie is not actually void of sentient life...