COD: Black Ops 7

Astra Malorum

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Main quest

0 / 4 parts
One optional check per part.

  • Acquire the LGM-1 (see Key Features).
  • Starting at Round 10, follow O.S.C.A.R. until it calls out three planets. Convert planets to numbers by their distance from the Sun (Mercury = 1, Neptune = 8).
    Mars Code Open helper

    Select the three planets from O.S.C.A.R.’s recording, in spoken order.

    Observatory Dome terminal
    1. —
    2. —
    3. —

    This is the three-digit code by distance from the Sun. The telescope’s four-digit Mars DEC code is a separate step.

    Saved on this device
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  • Enter the 3-digit code at the Observatory Dome terminal; a lift drops with a corpse and a key.
  • Go to Machina Astralis, open the cryopod with the key to reveal a corpse.
  • Shoot the glass at Museum Infinitum to grab the Saw, return to the pod, and take the brain.
  • Place the brain on the table in the Luminarium and defend during the short lockdown.
  • Bring the brain to the machine near the teleporter in Machina Astralis to power it; it will list book titles.

  • Use the Observatory Dome telescope (requires trap activation or LGM-1) to find Mars coordinates (4-digit code).
  • Enter the code at the Machina Astralis machine; it confirms Mars.
  • In Archive of Orbis, match the three busts to the counted book titles from their shelves (do this at round start for time).
    Books & busts Open helper

    Select the book titles on the machine’s reading list. Match busts to the bookshelves beside them.

    Bust 1
    Bust 2
    Bust 3
    Bust 1: 0 (skip) · Bust 2: 0 (skip) · Bust 3: 0 (skip)

    Enter the counts promptly in bust order. Zero means no interaction.

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  • When correct, climb the opened panel to grab the Neptune model and place it atop Machina Astralis.
  • Collect three planet notes (directions + planet): Luminarium desk, Machina Astralis table, Archive of Orbis table.
  • Align the planets on the model display to the noted directions (compass around the Sun model).
    Planet Sheets Map Open helper

    Copy each planet’s direction from the three sheets.

    Mars: Not recorded
    Saturn: Not recorded
    Neptune: Not recorded

    Use the compass below the Sun model to orient yourself. Shoot each planet into its recorded direction; planets can share a direction.

    Sheet locations

    Luminarium desk · Machina Astralis table · Archive of Orbis large table.

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  • Return to Machina Astralis, interact with the brain to reboot the portal, defend against O.S.C.A.R.; you will be sent to Mars.

  • Pick up the brain at the arena center, place it in the machine up the stairs, and create the portal.
  • Each round, play the machine sound to spot the ascendant eye; while it flies, shoot pylons: Back Right > Back Left > Front Right > Front Left > temple pylon above the machine. Grab the eye when it dives.
  • Place the ascendant eye in the device on the right side of the arena (facing where you shot pylons).
  • With the LGM-1, shoot the antennas of the five arena pillars until each shows a symbol and a song plays.
  • Back in Observatory Dome, read the organ screen: it shows the five symbols in order with one missing (denoted by wavy lines). Note the missing symbol and its position.
    Harmonic Organ Order Open helper

    Record all five positions from the organ screen. Put Static exactly where the distorted symbol appears.

    Interact with the Mars pillars in this order

    Select four different symbols and one Static slot.

    Symbol and pillar referenceOrgan symbols and corresponding Mars pillar symbols

    First activate the five pillar antennas with the LGM-1. Then interact with their symbols in the displayed order.

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  • Return to Mars and interact with the pillars in that exact order, inserting the missing symbol where indicated.
  • Interact with the machine atop the stairs to start the fight against Caltheris.

  • Kill zombies to charge the Tesla coils. Activate the machine to fire at Caltheris; repeat on the opposite side while avoiding lasers and lava.
  • When Caltheris reforms as a small golem, keep moving and damage her glowing blue weak point.
  • Restock during immunity, then continue targeting the weak point. Jump over the slam shockwave.
  • In the final phase, avoid the purple pools, faster movement and stronger slam. Deplete her remaining health to finish the fight.
Keep handy

Tools for Astra Malorum