To Fell the Mighty
The device you were chasing appears to be a Light-disruptor, meant to break one's connection to the Traveler.
Share your findings with Crow in the H.E.L.M.
During your mission to foil Ixel, the Far-Reaching on Nessus, troubling data pulled from Vex prediction engines foretold a series of futures where Zavala has suffered a final death. Crow believes the Cabal will try to act on these predictions and that Zavala is in danger.