The first five Silksong Flea locations are spread around the opening areas, hidden in specific dead end locations, often with puzzles behind them. The Lost Fleas quest is an early Wish that players can test themselves on, and there's all sorts of challenges that you'll need to conquer and overcome before you can actually reach them. Still, there's some good early game rewards in Hollow Knight Silksong to be earned if you can complete them. There's more Fleas out there than just these ones, but if you want to find the first five and complete this early Silksong quest, I'll explain how.
How to find the Lost Fleas in Silksong
Since Hornet doesn’t start with any of the Silksong Maps or the tools to mark them, I’d recommend finding the vendor, Shakra, in each location in the game to get a map of the area that you can fill in as you explore
Doing so also means that if you spot a flea, you can mark it to come back to later. Also, in case you were depriving yourself of Silksong’s fantastic soundtrack and audio design, the fleas are much easier to find if you have the sound up because they emit little cries and dog-like barks when you enter any room that you can find one in.
How to start the Lost Fleas quest in Sliksong
Some players have reported finding the Fleamaster, Mooshka, on the right-hand side of The Marrows location. There, you can speak to him to begin the quest, but in my playthrough, I was able to snap up the quest from the Wish Board in Bone Bottom.
Mooshka will seemingly task you with finding all 30, but the initial wish request only asks you to find the first five to be able to turn in a reward.
Silksong The Marrows flea location
If you haven’t reached the Silksong Bell Beast boss, you have no need to worry about fleas just yet. Once you have defeated him, unlocking fast travel, you’ll be able to head right past the bench and then climb upwards.
Eventually, you’ll come to the room marked on the image above, and the Flea will essentially be above Hornet as she enters. Jump across to the left, then work your way back, and you’ll see the flea tangled in the wall. Attack the poor thing to free it.
Silksong Deep Docks flea location 1
There are two fleas to be found in Deep Docks, with one being much easier to find if you know where to swing Hornet’s sword.
Once you arrive in Deep Docks, head down and to the left until you reach a station fast travel point for the Bell Beast.
Whether you have the rosaries to pay for that service or not, you can walk into the pit where the Bell Beast would enter, and hit the wall with your sword to break it, as seen below.
Sadly, it’s not as easy as just walking in and claiming the critter. Instead, you’ll need to platform across the room, dodging the falling lava as you do so.
Once you reach the left-hand side, you’ll need to hop to the right and up, and you’ll eventually find the flea on the floor. Attack it to free it, and then drop down to the start of that room to get back to the Bell Beast station.
Silksong Deep Docks flea location 2
The third flea can only be found if you have Swift Step, so be sure to grab that first in the upper regions of the Deep Docks. Thankfully, once you do, the flea is in the same room. Work your way along the path to get Swift Step (taking care on the red ant combat gauntlet the first time), and you’ll eventually be able to use your new ability to climb higher in the room we’ve highlighted in the image above.
Once you reach the top, you’ll find the flea at the top of the room, waiting to be liberated.
Silksong Hunter's March flea location
Hunter’s March can be entered once you get Swift Step, and it certainly makes it easier to get Flea number four. To get started, head to The Marrows and go to the room on the right-hand side of the map where Grindle is in his cell. Visit the bench below and rest up (we’ll cover why in a moment).
Head up, and through the next door to a long room with a low ceiling. Eventually, you’ll have to fight the Silksong Skull Ant boss. It’s a challenging fight, so you’ll be thankful you grabbed that bench. Use Swift Step to dodge back and forth, attacking when an opening emerges, while diving under its leap attack.
Follow the path once it’s clear, and you can use the red flowers with the Silksong pogo jump ability to give Hornet some air.
It’s easier said than done, and then you’ll need to do it again (thankfully with fewer spikes). Before continuing on, move to the left and ‘pogo’ upward, then across the spikes to reach the fourth Flea in a cage.
Smash the cage with a series of attacks, and it’ll be freed.
Silksong Far Fields flea location
The Far Fields flea can be a little complex to reach. Head to the area where a Skull Ant and his comrade are sitting by the fire. You can tackle them if you want, but you can also run past and jump across the platforms using your glide ability and Swift Step.
You’ll end up going above them, and then following a new path to the right. Once you reach the point shown in the image below, attack the right-most wall.
Doing so will open a path to a more vertical room. Climb the platforms until you see one on the right that leads into a dark corridor. As you move through it, Hornet will be caught in a net by a red ant. Break free and kill it, and the flea will be at the end in a cage.
If you’re low on health, you can also just break your cage, then break the flea’s cage, collect it, and then return to collect your cocoon later. The Far Fields is also where you'll need to find Hollow Knight Silksong Hokers and collect their Spine Cores to upgrade Hornet's cloak.
Silksong Flea rewards
Your reward for rounding up all the first Fleas in Silksong will eventually be the option to travel to a part of Greymoor with the Caravan, and a Flea Brew buff drink if you speak to Grishkin afterwards. That transport to Greymoor actually delays the upcoming mandatory Silksong Moorwing boss fight, pushing it back to a later point.
For a couple of other Wishes, you'll need to spend Silksong Shell Shards that you collect from enemies.
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