Song of the Lost Exclusive Quest guide for Infinity Nikki. See Queen's Palace Ruins dungeon walkthrough, In The Lonely Song, In the Depths of Night, Mysterious Prelude and rewards!
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Song of the Lost Unlock Conditions
Unlocked After Completing Chapter 2

Event Period | Permanent |
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Requirements | Clear Main Quest Go to the Dream Warehouse! |
The Song of the Lost exclusive quest will be unlocked after completing the Go to the Dream Warehouse! main quest in Chapter 2: The Lost Wishes.
Dream Warehouse WalkthroughSong of the Lost - Mysterious Prelude
- Go to the Stylist Guild
- Learn about the Queen's Palace Ruins
- Take a photo of the violin statue

Use the Stylist's Guild Front Gate warp spire to fast travel to the location and head inside the Stylist's Guild.
Warp Spire Guide
Dada and Hiya ask for help in investigating the strange happenings in Queen Philomia's Palace Ruins. Hiya further instructs you to speak to Locke, an investigator assigned on the area, before heading inside the ruins.
Song of the Lost - In the Depths of Night
- Talk to Locke
- Go to the entrance at night
- Investigate the strange doll
- Find the Silent Sword at the gate
- Take a Photo of the Violin Statue
- Chase the Ghost Sentinel
- Find the Shadowed Grin
- Collect Black Blings in the square
- Investigate the painting
- Find More Black Blings
- Return to Strange
- Find the White Hands in the Tower
- Go to the inner court entrance
Map | Location |
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Head to far south east of Breezy Meadow and find Locke near the Queen's Palace Ruins Entrance. He can be found in the area during the day around 04:00 until 22:00. You can use the Run, Pearl-Pal feature to advance the time when needed.
Run Pear-Pal Guide
Follow the quest marker towards the Queen's Palace Ruins Entrance and select wait to automatically skip time. Approach the small box at the entrance and a cutscene will start.

Speak to the mysterious doll to gather more information that could be linked to the strange occurrences in the area. The talking doll, who introduced itself as Livie, asks for help to get inside and find her lost sister within the Queen's Palace Ruins.

Head up the hill and follow the stairs towards the top, where you can find a large violin statue. Livie suggests to use Momo's Camera to draw out the Silent Sword's friend to appear.

Open Momo's Camera and take a photo of the strange violin statue. Surprisingly, the camera detects an invisible entity hovering above the statue.
Momo's Camera Guide
Chase after the Ghost Sentinel heading towards the palace ruins. With every step, it seems to taunt you to keep up as it moves silently through the shadows.

You might find yourself going in circles after exiting the tunnel. To get back on track, investigate all the Lampblooms on your way to get out.
Follow the Ghost Inside the Small Opening at the Wall

The Ghost will lead you to a hidden enclave where the Silent Sword can be found. It will give you an Ancient Badge token that can unlock the Palace's seal and a Damaged Old Photo that might help with the Shadowed Grin.

Go inside the main gate towards the Queen's Palace Ruins Front Yard where you can find the mysterious Shadowed Grin just across the glowing flower statue.

Search the entire square for the Black Blings scattered across various locations. Keep an eye out for their dark, shimmering glow to collect all the Black Blings in the area to complete your task.

You will need to use Momo's Camera to investigate the Shaking Frame of the painting at night to collect more Black Blings.
How to Get to the Painting
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2 | ![]() ▶ How to Change Time Guide |
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Once you have taken the picture, go outside and head down towards the left area. Follow the trail of Black Blings until you are able to obtain all 99.

After collecting all the Black Blings, head back to Strange and hand them over. He will give you an Ancient Locket token, where the photo inside fits perfectly with the one Sir Percy gave earlier.

Go to the Queen's Place Ruins High Tower. If you have unlocked this area's warp spire, you can save time heading up by using this fast travel point. Climb the stairs until you reach the top and see Ms. Glove playing the piano. After the cutscene, you will get the Ancient Ring.
How to Get to the Queen's Place Ruins High Tower
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After getting the third token, head to the inner court entrance of the Queen's Palace Ruins just across the tower, where you can jump and float to get down quickly. A short cutscene will start once you approach the marker and the quest will be completed afterwards.
Song of the Lost - In The Lonely Song
- Talk to Livie
- Place the Ancient Tokens
- Investigate the Inner Court
- Open the Palace Old Courtyard Door
- Jump through the glass boxes
- Find all bears in the Doll Gallery
- Avoid the Falling Objects
- Return to the Stylist's Guild

Approach and talk to Livie to ask how to break the seal. The doll explains that the key to unlocking the seal is placing certain tokens in their correct spots.

You will need to place the Ancient Badge, Ancient Locket, and Ancient Ring to break the seal. Head inside Queen Philomia's Palace Ruins Underground Entrance to start the quest investigation.

To open the door, you will need to activate the mechanical bears by purifying the nearby Esselings guarding it.

Help Nikki go through the rotating columns that serves as platforms. Similar before, you will need to activate the 2 mechanical bears by purifying the nearby Esselings that are guarding them to open the door.

When navigating through the stone columns, you'll need to move swiftly and carefully across the square columns. These columns are narrow and unstable, so timing and precision are important. If you hesitate or move too slowly, you risk falling off, which will set you back in your progress.
Mechanical Bear Locations | |
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Search for and activate the four mechanical bears scattered throughout the Palace Old Courtyard Door area to unlock the next stage. Each bear is hidden in a different location, so you'll need to explore the surroundings carefully.

The next stage is an open space indoor room flooded with a large body of water. While finding and activating the mechanical bears, make sure to avoid falling in the water to avoid fainting and decreasing Nikki's hearts.

In the next room, you'll find floating glass boxes that can serve as a platform to reach the top floor. Be cautious though, as standing on the glass for too long will cause it to break, so it's best to walk along the edges instead.
Mechanical Bear Locations | |
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While the mechanical bears are hidden, they are also positioned along the gallery’s main path and are usually where the Esselings are located. So take your time to explore the edges of each room, doorway, and hallway.

A cutscene with Queen Philomena starts once you open the door chambers. After the Queen gets mad, the building starts to collapse and debris will start to fall so avoid them as you ran after Philomia.

After reaching the end of the ruins, Queen Philomia hears a familiar song and mistakes Nikki for her sister, Olivia. She recalls the song they wrote together while imprisoned and the surprise she had planned for Olivia's coming-of-age ceremony, which she never got to perform.

Return to the Stylist's Guild to reveal the truth about the strange events in the ruins to Dada and Captain Hiya, explaining that the two Queens were not enemies, but deeply bonded sisters. The quest will be completed afterwards.
Song of the Lost Rewards
Quest Clear Reward List
Quest | Rewards |
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Mysterious Prelude | ![]() ![]() ![]() |
In the Depths of Night | ![]() ![]() ![]() |
In The Lonely Song | ![]() ![]() ![]() |
Additional Rewards from Memories of Yesterday Event

After completing the Song of the Lost quest, you can claim progress rewards from the limited-time Memories of Yesterday event. In addition, you'll be able to collect 8 more piecesby advancing through the ongoing Tales of Mystery event. Make sure to advance through the event to collect them all.
Related Articles | |
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Memories of Yesterday | Tales of Mystery |
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