A fractured Pyramid ship hangs suspended above Neptune, its surface twisted and overgrown with alien growths. As the fireteam advances, eerie silence gives way to pulsing energy and unfamiliar life spreading through the Darkness. This is the Root of Nightmares—a place where Light and Dark collide, and something ancient is awakening. To stop the corruption from taking hold, Guardians must push forward into the heart of the nightmare before it spreads beyond control.