How to complete the Black Ops 6 Zombies Undercroft wall puzzle on Citadelle des Morts
On the latest Black Ops 6 map, Citadelle des Morts, there is a puzzle deep in the castle that’s easy to miss, but that’s what we’re here for.
Citadelle des Morts picks up right where the story left off after completing theTerminusmain story easter egg. The crew sets off to Avalon to locate the Sentinel Artifact, butMayahas a different objective.
Like the other BO6 Zombies maps, Treyarch pulled out all the stops for the main story easter egg for Citadelle des Morts. Fromcollecting Wonder Weapon swordsto competingrituals, there are plenty of exciting surprises for players and their friends to discover along the way.
But before reaching the final boss, players have to complete a puzzle on the wall of the Undercroft.
How to complete the Undercroft puzzle in BO6 Zombies
Before completing the wall puzzle, players need to do a few steps.
Once the book is revealed, the next step is to get every page scattered around the map to complete the book. For more about the missing page locations, check out our complete guide on the Citadelle des Mortsmain story easter egg.
