Complete the Lost Fleas Wish in Hollow Knight: Silksong
Starting the Quest
The Lost Fleas wish is one of the earliest side quests in Silksong, triggered when Hornet intercepts a wandering flea caravan in
The Marrow. After speaking with
Fleamaster Mooshka, you’ll be tasked with locating five missing critters scattered across Pharloom. While there are 30 fleas in total, rescuing just five is enough to complete the quest and earn your reward. This mission blends exploration, platforming, and puzzle-solving, making it a great way to familiarize yourself with Pharloom’s diverse biomes.
Location 1 – The Marrow
The first flea is found in a chamber
above the Bell Beast in The Marrow. After defeating the Bell Beast, head east toward the nearby bench room. Continue forward until you reach a vertical chamber filled with platforms.
- Use collapsing platforms to ascend
- Avoid patrolling enemies along the way
- Reach the upper-right corner of the room to find the flea
This area is accessible early in the game and sets the tone for the rest of the quest.
Location 2 – Deep Docks (West Chamber)
The second flea is located in Deep Docks, and it’s relatively easy to reach once you’ve unlocked the Swift Step ability.
- Pick up Swift Step from the shrine in Deep Docks
- Use it to dash across the arena and reach western platforms
- The flea is waiting in the top-left section of the chamber
Swift Step makes traversal much easier, especially in areas with moving platforms or timed hazards.
Location 3 – Deep Docks (Hidden Passage)
Another flea is hidden deeper in Deep Docks, behind a destructible wall near the Bell Beast’s chamber.
- Fast travel to the Deep Docks waypoint
- Locate the destructible wall beside the Bell Beast
- Break through to reveal a hidden room with falling lava hazards
- Carefully ascend to the top platform to rescue the flea
This segment tests your timing and environmental awareness. Watch for lava bursts and use vertical movement tools to stay safe.
Location 4 – Far Field
Navigating Far Field can be tricky due to its massive chambers and layered platforming. To find the fourth flea:
- Teleport to the lower chamber of Far Field
- Head left using only the top platforms
- When you reach a wall, climb to the upper corridor and go right
- Break the fake wall to reveal a hidden passage
- Enter the next room and locate the flea in the upper-right segment
Be cautious—this room contains a trap that must be disabled before you can safely rescue the critter.
Location 5 – Hunter’s March
The fifth flea is tucked away in Hunter’s March, a biome filled with aggressive enemies and vertical challenges.
- Enter Hunter’s March from The Marrow
- Rest at the nearby bench to create a checkpoint
- Follow the path to the upper-right corridor
- Defeat the Skull Ant miniboss
- Continue right until you reach a jumping course
- Bounce off balloons to reach the top-right segment of the region
This area rewards precision and timing. Use aerial tools and momentum to navigate the balloon platforms.
Returning to Fleamaster Mooshka
Once you’ve rescued all five fleas, return to Mooshka’s caravan in The Marrow. Upon completion:
- Mooshka will escort Hornet to a deeper section of Greymoor, unlocking a shortcut to a previously inaccessible area
- Speak with other fleas in the caravan to receive the Flea Brew
Reward: Flea Brew Tool
The Flea Brew is one of the many Tools in Silksong, and it offers a temporary boost to both attack speed and movement speed.
- Activates for a short duration
- Ideal for boss fights or timed platforming sections
- Can be refilled at Resting Spots using Shell Shards
This reward makes the Lost Fleas wish well worth the effort, especially for players who favor fast, aggressive combat styles.
Final Tips
- Use map markers to track flea locations
- Unlock benches near each biome to reduce backtracking
- Equip mobility tools like Swift Step and Drifter’s Cloak for easier traversal
- Don’t forget to revisit Mooshka later—some players report additional dialogue and lore unlocks after completing more wishes
Platform(s): Microsoft Windows PC, macOS, Linux, Nintendo Switch, Nintendo Switch 2, PlayStation 4 PS4, PlayStation 5 PS5, Xbox One, Xbox Series X/S
Developer(s): Team Cherry
Publisher(s): Team Cherry
Release date: 4 September 2025
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