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Main Quest · Blood of the Dead

Most Escape Alive

Blood of the Dead’s main quest is a séance and an escape in one: Primis, trapped in the Warden’s Alcatraz purgatory, works through spirit challenges, a ghost-stolen Kronorium and the Warden’s own ritual room to reach the Dark Mechanism. The ending is one of the saga’s heaviest — Primis Richtofen gives himself to the machine to free the island’s souls, and the player finishes the fight as Great War Richtofen, risen from a hidden cryopod. Soloable; if nobody is playing Richtofen, the game supplies a bot for the finale.

Difficulty: ExpertSolo availableSpoilers: high
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Still from “Official Call of Duty®: Black Ops 4 Zombies – Blood of the Dead”
Blood of the Dead · Call of Duty via YouTubeOpen route diagram

Spoiler warning

This walkthrough reveals the map's finale. Continue only if you want to know how it ends.

Preparation

Before you start

Prerequisites

  • • Pack-a-Punch freed via the roof Voltmeter (Spectral Shield built, souls siphoned)
  • • The Spoon, for the ritual-room wall
  • • The Hell’s Retriever for the seagull chase

Walkthrough

Step by step

  1. 01

    Free the spirits

    Charge the Spectral Shield with siphoned souls and blast the Voltmeter on the roof — the spirits reveal Pack-a-Punch and the quest begins.

  2. 02

    The ritual room

    Summon the EMP Warden with keypad code 666 and let him slam the scratched wall open, then dig through with the Spoon to find his decaying body and the red stone.

  3. 03

    Chase the seagull

    Place the stone on the lab map and pursue the ghost seagull that steals the Kronorium — spirit blasts, Zombie Blood and a Hell’s Retriever throw bring it down.

  4. 04

    The lighthouse challenges

    Read the Kronorium’s numbers in the Warden’s lap, enter them on the keypad, and follow the lighthouse beam through the randomized ghost challenges, collecting red orbs.

  5. 05

    The Summoning Key

    Summon the Key at the Warden’s body. The crew is locked in cells and freed by the seagull; the giant Warden’s dropped orb reveals a hidden cryopod — and the point of no return.

    Warning: Resupply before opening the garage door; the arena is committed.

  6. 06

    The Dark Mechanism

    Fight waves of Wardens across two phases, shoot the orbs off the aura-wreathed Warden, and blast the mechanism with the shield. Richtofen takes the chair; you return as his older self and end it.

Following along in-game? Switch to Guided Mode for one step at a time on a screen you can read at arm's length.

References

  1. 1.Blood of the Dead — Call of Duty Wiki — Call of Duty Wiki (Fandom). callofduty.fandom.com · accessed Jul 22, 2026Community-verifiedcorroborate

Last reviewed Jul 15, 2026. Spotted an error? Suggest a correction.