Hollow Knight: Silksong: The Lost Fleas Quest Guide for 2026

I have a confession: I spent my first few hours in Hollow Knight: Silksong treating every new room like a buffet of bad decisions. Then I met Mooshka and the Flea Caravan, and suddenly I had a purpose that was not just poke everything and hope. The Lost Fleas quest is one of the earliest side quests in Pharloom, and as of 2026 it remains the best early-game power spike that does not involve selling your soul to a creepy merchant. You find five fleas, you get Flea Brew, and boss fights become slightly less like slamming my head against a musical wall.

Getting the Lost Fleas Quest

As soon as you leave Bone Bottom, head into The Marrow. You do not need any fancy ability to start this quest, which is great because my early Hornet had the grace of a shopping cart with one wobbly wheel. Find the Flea Caravan near the middle area of the Marrow and talk to its master, Mooshka. You will also see Grishkin and Varga hanging around, plus a Bench that feels like a five-star hotel compared to some later resting spots.

From the Bone Bottom entrance, use the platforms above you to reach the upper area. Make your way right until you hit a vertical structure. Go down, then take the first entrance on your left. Mooshka will explain that the fleas are lost across Pharloom and ask for your help. Accept the quest. Boom, you are now a flea rescue service.

A quick tip that saved my sanity: put on headphones. The fleas cry, snore, and make tiny noises that are easy to miss over combat. Listening for them is like panning for gold in a river of noise, except the gold occasionally snores. There are 15 fleas total, but the quest only needs five. I still recommend grabbing the early five fast, because the reward is a warm hug in tool form.

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