Following the events of Terminus, the crew follows the clues to a medieval castle in Avalon in search of a forgotten artifact and a man who should not be alive. Check out the Call of Duty: Black Ops 6 Zombies Citadelle des Morts cinematic. The Citadelle des Morts free content update will be available in Call of Duty: Black Ops 6 Zombies on December 5, 2024.