Plaguelands

The Plaguelands is an Earth destination region in Old Russia, near the Cosmodrome, added in Rise of Iron. The Devil Splicers (House of Devils) spread SIVA there. In Destiny 2 it is reached via the Iron Tomb mission, with the Lords' Watch landing zone, and houses Cabal, Vex and Fallen forces. In Ash & Iron, Cabal's Watch is set in the now SIVA-free Plaguelands.