Crimson Desert Sanctum of Expiation Puzzle Solution: All Locations of Pieces and How to Activate the Reactor Core

Image credit: Pearl Abyss

What to know

  • The Sanctum of Expiation is located near Drakesfall Gorge in Azerian Estate.
  • You must collect and place two Fusion Reactor pieces to complete the puzzle.
  • Traversal skills like triple jump and flight are essential for reaching hidden areas.
  • Using Axiom Force correctly is the key to solving the reactor mechanism.

The Sanctum of Expiation puzzle in Crimson Desert is one of those moments where exploration, puzzle-solving, and traversal mechanics come together seamlessly. As you progress through Azerian Estate, you’ll encounter this mysterious ruin that hides a dormant reactor. Your goal is simple in theory but tricky in execution—restore the reactor by retrieving two missing components.

Below is a complete and detailed breakdown to help you complete it efficiently.

ElementDetails
LocationNear Drakesfall Gorge, Azerian Estate
ObjectiveRestore the Fusion Reactor
Required AbilitiesAxiom Force, Triple Jump, Flight
Key ItemsReactor Cube, Reactor Pillar
Completion TriggerReactor activation

Crimson Desert Sanctum of Expiation location

As you approach the Sanctum, you’ll immediately notice its ruined and overgrown structure. The entrance is partially blocked by environmental elements, which already hints at the puzzle mechanics involved.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel

The reactor itself sits at the center of the Sanctum, incomplete and inactive. You’ll see two empty slots—these indicate the missing components you must locate.

How to complete Sanctum of Expiation puzzle in Crimson Desert

1 – First piece location

Step 1

Enter the Sanctum and carefully scan the interior walls for a vine-covered section. This wall is easy to miss if you rush, so take your time.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 2

Use your Focus abilities to highlight interactable elements, then burn the vines blocking the wall. You can use abilities or fire arrows, though arrows take longer.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 3

Once the vines are cleared, look upward to spot the floating cube near the ceiling. This is the first component—the Fusion Reactor Cube.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 4

Use Axiom Force to pull the cube toward you and stabilize it. Timing matters here, so maintain control as it moves.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 5

Place the cube into the hollow slot in the reactor’s pillar. This will partially restore the mechanism.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel

2 – Second piece location

Step 1

Use triple jump combined with flight to reach the upper sections near the Sanctum’s main entrance. This part requires precision, so adjust your angle mid-air if needed.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 2

Locate a barred room or narrow crevice near the entrance ruins. This is where the second piece is hidden.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 3

Inside or near this space, you’ll find a floating Axiom object—the Fusion Reactor Core’s Pillar piece.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 4

Use Axiom Force to collect it and store it in your Kuku Pot inventory. This ensures you don’t lose it during traversal.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 5

Return to the reactor at the Sanctum’s center.

3 – Activating the Spire of Expiation

Step 1

Identify the pillar slot that is missing its crown. This is where the second piece must go.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 2

Position yourself above the slot using flight. This is important because placement requires a top-down alignment.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 3

Carefully put the lower reactor piece into position using Axiom Force. If misaligned, adjust your height and angle.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel
Step 4

Once properly placed, the reactor will activate automatically. You’ll see visual and environmental feedback confirming success.

Image credit: Pearl Abyss / Via: YouTube – Game Guides Channel

Rewards for completing the Sanctum of Expiation

Reward TypeDescription
ProgressionSpire of Expiation completion
Exploration UnlockAccess to further Sanctum pathways
ExperienceSignificant XP gain
LoreEnvironmental storytelling elements

The Sanctum of Expiation is a great example of how Crimson Desert blends vertical exploration with puzzle-solving. Unlike simpler puzzles, this one forces you to think in three dimensions, especially when placing the pillar piece.

The use of traversal mechanics like flight and triple jump isn’t optional—it’s essential. This design encourages you to fully understand your movement toolkit.


Successfully restoring the reactor feels rewarding because it combines observation, timing, and skill. If you approach it methodically—clearing vines, locating hidden paths, and mastering Axiom placement—you’ll complete it without frustration.

Take your time, use your abilities wisely, and focus on positioning—those are the keys to solving this Sanctum efficiently.

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