Mortal Shell 2 Shrine of Sorrows Walkthrough: All 3 Sonata Puzzles

The Shrine of Sorrows is a Night Mode-only dungeon near Mushroom Village. Start from Mushroom Village Beacon, accept the invitation at the cocoon-like entrance, collect the Moonlight, Sunlight, and Starlight Sonatas, solve the mounted-head / frozen-world puzzle, then use the resulting Alluring Mushrooms to reach the basement sequence. Completing the route rewards a Blackmarrow Key and Tooth of Nochte.

Shrine of Sorrows is only available while Night Mode is active.

If you reach the area during the day, the location gives you a clue that the secret is hidden by daylight rather than opening the dungeon route.

Use the Gloombound Flame and Night Mode guide if you have not enabled Night Mode yet.

With Night Mode active:

1. Fast travel to Mushroom Village Beacon.
2. Take the path to the right.
3. Pass the dancing villagers.
4. Cross the first wooden bridge.
5. Pass the bonfire.
6. Cross the second wooden bridge.
7. Approach the cocoon-like structure.
8. Interact with it and accept the invitation.

That opens the Shrine of Sorrows route.

For general travel routing, use the Beacons and fast travel guide.

Before entering the house, you can open an optional chest by activating three candle offerings around the exterior area.

Look for them:

• near the broken shed beside the chest
• farther along the path past the shed
• near the well

Activate all three offerings, then return to the chest to collect Dorsalite.

This chest is optional and is separate from the three-Sonata progression inside the house.

Inside the house, find the seated figure and read the nearby note.

Then interact with the cauldron to obtain the Tempered Iron Key.

Use that key on the first locked room.

The first two books are inside the house.

• Moonlight Sonata — in the first room opened with the Tempered Iron Key, on the corpse / table area.
• Sunlight Sonata — in the second room.

Collect both before moving on to the mounted-head puzzle for the third book.

After the banging / headless-corpse event, leave the house and head toward the tree.

Read the note associated with the mounted head.

The puzzle uses repeated full rotations:

1. Re-check the mounted head.
2. Make a full 360-degree turn.
3. Re-check the head again.
4. Repeat until the environment shifts into the frozen version of the area.
5. Find Starlight Sonata near the gravestone.
6. Repeat the head / rotation sequence to return.

Do not rely on a fixed universal spin count. The practical rule is to keep repeating the full-turn and head-check sequence until the environment changes.

Return to the house with:

• Moonlight Sonata
• Sunlight Sonata
• Starlight Sonata

Place all three into the box.

This rewards Alluring Mushrooms.

Take the Alluring Mushrooms to the cauldron, place them inside, and drink the resulting concoction.

You are moved outside into a darker transformed version of the area.

After drinking the mushroom concoction, return to the house.

The Basement Key is now available on the table.

Take it, unlock the basement, and descend.

The basement contains the final witches’ ritual sequence that completes the Shrine of Sorrows route.

Completing the dungeon rewards:

• Blackmarrow Key
• Tooth of Nochte

The Blackmarrow Key belongs to the wider Shade-chest collection system in Marrow Keep. See the Blackmarrow Keys guide for how those keys are used.

Tooth of Nochte can be sold to Merrick for Gold.

The dungeon is tied to Night Mode. Enable Night Mode first, then return to the Mushroom Village route.

Use Mushroom Village Beacon.

Inside the house. Read the note by the seated figure, then interact with the cauldron to obtain it.

• Moonlight Sonata: first room opened with the Tempered Iron Key
• Sunlight Sonata: second room
• Starlight Sonata: frozen version of the exterior area, near the gravestone

Use repeated full 360-degree turns while re-checking the mounted head. Continue until the environment shifts, collect Starlight Sonata, then repeat the sequence to return.

Place all three Sonatas into the box to receive them, then put them into the cauldron and drink the concoction to advance the dungeon into its final state.

After the mushroom sequence, return to the house and collect the Basement Key from the table.

Yes. Completing the Shrine route rewards a Blackmarrow Key.