The latest Zombies map forCall of Duty: Black Ops 6is called Citadelle des Morts and has players exploring a giant castle full of secrets with different kinds of swords. Here is how to upgrade all swords in Black Ops 6 Zombies Citadelle des Morts.
How to Get Swords in Black Ops 6 Zombies Citadelle des Morts
The Bastard Sword can be obtained byinserting the Stamp into one of four statues in the Dining Hall. The Stamp drops from an unnamed zombie with a knight’s helmet and glows gold once dropped.
The Dining Hall at the north end of the castle has four soldier statues facing each other. Inserting the Stamp in any of them will produce the Bastard Sword, but theanimal on the statue’s suit determines what the sword can upgrade to. Standing at the Dining Hall entrance, the statues are:

How to Get the Dragon Sword in Black Ops 6 Zombies Citadelle des Morts
The process to get the Dragon Sword starts byinteracting with the dragon statue when you first walk into the castle. The map on the wall behind it will have three glowing spots.
These are where braziers have spawned in the environment. Go to each spot and interact with it to take the flame.Run back and insert the flame into the dragon statue. Juggernog is necessary to survive the long runs. Insert all three flames and the sword to receive the upgraded Fire Sword.

How to Get the Lion Sword in Black Ops 6 Zombies Citadelle des Morts
Players can get the Lion Sword byfinding the door in the alcove on the right path outside the castle. You will then need to charge your sword by defeating glowing enemies, then strike the door four times with four separate charges.
Once done, interact with the door and insert the sword into the small pedestal. Glowing symbols will fill the room and you have one minute tomatch the glowing symbols on the pedestal by shooting the floating ones. The Light Sword will become yours if done correctly.

How to Get the Stag Sword in Black Ops 6 Zombies Citadelle des Morts
The Stag Sword can be upgraded by firstcollecting three lightning rodsaround the map. Their locations are:
Travel up to where the cannon is to find a small pot with three holes in it. Insert the rods to cause an electrical storm.Stay by the pot to charge the sword, then strike it three timeswhile charged to get the Electrical Sword.

How to Get the Raven Sword in Black Ops 6 Zombies Citadelle des Morts
The first step to upgrade the Raven Sword is toopen the laboratoryby following the map’s initial objectives. That means opening up the castle and killing the caged Doppelghast to unlock the Pack-a-Punch machine. The laboratory is on the left of the Dining Hall.
Somewhere around the laboratory isan animal part marked by a white circle. There are several kinds and they can be in multiple spots, so look around until you see the white dot to interact with it.

Once obtained, go to the tavern’s basement at the beginning of the map to find the circular relic on the wall. Insert the animal part and you will have tomatch the zodiac sign and element with the arrow at the bottom.
This chartwill show you what each symbol means, thenrotate each line until both symbols are connected. Here are some of the combinations:
Completing the puzzle will cause purple orbs to follow you and a purple circle to appear on the ground nearby.Lead the purple orb to the purple circle three times. The circle will move to the bar itself, then to the second floor of the bar, and you will have to do the same thing each time. Go back to the wall relic once completed to get the Void Sword.
For more on Call of Duty: Black Ops 6, please check out theTerminus main quest guideto complete another Zombies map.
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