Wield the Hammer of Proving to pillage Cabal Gold by completing playlist strikes, Gambit, Crucible, public events, dungeons, Nightmare Hunts, or the Blind Well.
The Hammer of Proving permits challenges of honorable combat to be issued, skirting the risk of total war with the Cabal. However, to be recognized as legitimate, it must be socketed with Cabal Gold.
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.