Onimusha: Way of the Sword Mask Puzzle Solution
Quick answer
Face the hanging masks above the cage. Count left to right and shoot positions 3, 4, 1, 2. Collect the Unsettling Mask, then use it at the matching door near the Spirit Mirror.
In this guide

Route at a glance
- Start
- The Solve the mask puzzle objective during What Lurks in the Shadows, in Underground Laboratory, Underground Level 3.
- End
- The Unsettling Mask has been collected and used to open the earlier matching door near the Spirit Mirror.
Step-by-step route
Find the target wall
Stand facing the locked cage. Look above it for four masks hanging in a row.
Check: The cage is below your targets; the paper-screen masks are across the room.
Shoot the sequence
Use your bow to shoot the third, fourth, first and second masks from your left.
Check: The cage opens when the solution is accepted.
Take the key
Walk to the altar and collect the revealed item.
Check: The item pickup identifies it as the Unsettling Mask.
Open the matching door
Return to the Spirit Mirror area. Use the mask at the earlier locked door with the matching face-shaped mechanism.
Check: The door opens. The later contraption is a separate obstacle beyond this route.
FAQ
Which masks should I shoot?
- Shoot the four hanging above the locked cage. The matching masks on the paper screens provide the clue.
What is the mask puzzle order?
- Facing the cage, count positions from left to right and shoot 3, 4, 1, 2.
Where do I use the Unsettling Mask?
- Return to the earlier locked door near the Spirit Mirror and use it at the matching face-shaped mechanism.
Keep position and shot number separate
Facing the cage, distinguish position (where a mask hangs) from shot (when to hit it).
| Target position, left to right | When to shoot it |
|---|---|
| 1 — far left | Third shot |
| 2 | Fourth shot |
| 3 | First shot |
| 4 — far right | Second shot |
The clue is on the other side of the paper screens near the entrance. Light passes through different numbers of openings in the matching masks. Those counts give their shooting order, from fewest to most. Use positions instead of relying on color names under the room's lighting.
If the cage stays closed
Check that you targeted the hanging masks above the cage and counted from the left while facing it. The screen masks are separate. A reset procedure or firing-speed requirement has not been verified.
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