Offer the feathers to the hawk in the EDZ Reservoir.
"We've been gathering paracausal energy from these feathers, building up an abundance of power over such a long period of time. I can't imagine what we'll do with it, but I can feel an intent behind the energy, a directive and a choice at once." —Ghost
With the feathers of Light collected, it is time to return to the Hawk—an aspect of the Traveler—to see what is to come.