The Citadelle des Morts Zombies map in Call of Duty: Black Ops 6 offers an intricate path to activating the Pack-a-Punch machine, essential for upgrading your weapons to survive higher waves of the undead. This guide provides a detailed breakdown of the steps needed to unlock the Pack-a-Punch and its associated costs. Players can the cod bo6 redeem codes cheap buy provided by U4gm to unlock exclusive content. Use coupon code "allen" to get 5% off at U4gm.

Steps to Activate Pack-a-Punch

1. Starting Point: Town Square
Begin at the Town Square, where you’ll receive an objective marker directing you to the castle.

2. Accessing the Castle
Players can choose one of two routes to navigate to the castle:
- Route A:
1. Turn left to open the door to the Nature Path (750 Essence).
2. Proceed through the Hilltop and purchase a door into the Courtyard (1,000 Essence).
3. Open a door in the Courtyard (500 Essence) to access the Entrance Hall.
4. Move past Jugger-Nog and buy another door to the Sitting Rooms (1,500 Essence).
5. Open a door leading to the Undercroft Stairway (1,750 Essence).
6. Finally, purchase the last door to enter the Oubliette Room (2,000 Essence).
- Route B:
1. Turn right and open a door for 750 Essence.
2. Navigate through the Upper Village and buy a door for 1,000 Essence leading to the Courtyard.
3. Use a cannon (details below) to destroy a locked door after purchasing one of two doors in the Courtyard (500 Essence).

3.Using the Cannon
- Locate the cannon on the Ramparts in the Courtyard.
- Interact with it, rotate it 180 degrees, and fire to destroy the sturdy door blocking your path into the castle.

4. Reaching the Oubliette Room
Progress through the castle until you reach the Oubliette Room, where you’ll find a blue shipping crate with three locks.

5. Defeating the Doppelghast
Shoot or melee the three locks on the crate to release a special zombie, the Doppelghast.
Defeat the Doppelghast to obtain the Blood Aetherium Crystal.

6. Activating the Pack-a-Punch Machine
- Take the Blood Aetherium Crystal back to the crate and interact with it.
- This spawns the Pack-a-Punch machine at that location for the remainder of your game session.

Pack-a-Punch Costs
Once activated, you can upgrade your weapons at the Pack-a-Punch machine for the following costs:
- Tier 1: 5,000 Essence
- Tier 2: 15,000 Essence
- Tier 3: 30,000 Essence

Activating the Pack-a-Punch is a vital step for enhancing your weaponry and preparing for increasingly difficult waves in Citadelle des Morts. Follow these steps to unlock powerful upgrades and dominate the undead!