Hartopia A peaceful game where gardening, cooking, and fishing become gentle rituals in your daily routine. While many of these activities are designed for single play, Hartopia Encourages cooperation and socialization. The Flashing Fish Shadow Quest is an example where you need to team up with other players.
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How to unlock Flashing Fish Shadow Quest
Flashing Fish is a Shadow Quest Assigned by VanyaFishing Advisor. As you continue to complete her tasks, Vanya will eventually contact you about a special tool: the Mermaid attracts fish. This device draws rare fish to a concentrated area, making it possible for legendary targets to appear.
This triggers the Flashing Fish Shadow quest. The purpose of this research is Share your fish charm with others And find the Flashing Fish Shadow, a glowing mystery beneath the waves. Unlike regular fishing tasks, it pushes you beyond simple casts and reels.
How to detect flashing fish shadows in Heartopia
To increase your chances of finding a flashing fish shad, Go to the fishing village and talk to BillA white-bearded NPC near the dock. Choose the sea fishing event option and select the boat. Once on board, you can invite friends or even random players to join you.
When the event begins, toss your mermaid fish attractor into the water. From here, everyone should start fishing within the circle of attraction. is your goal Catch fish with a distinct blue glow.
Be sure to watch the water carefully. Many fish appear as dark or golden silhouettes. The The Flashing Fish Shadow glows with a soft blue light Which immediately sets it apart.
Here are some tips to increase your chances of finding a flashing fish shad:
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Catch fish early to refresh spawns.
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Keep all fish within range of the attractor.
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The more players involved, the faster the shadow will appear.
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If it doesn't appear, throw in another fish lure and try again. You can buy them from Vanya.
Rabbit fish worked for us, and some other players have also reported that catching a rabbit fish completes this quest. It may be a different fish in your case, but you should Aim for fish that emit a soft blue glow.
If one of your teammates reels in a shiny fish, it still counts towards your quest progress. You can expect the shadow to appear after about five or six catches.
Once the Flashing Fish Shadow is caught, return to the shore and talk to Vanya to complete the mission.
While the Flashing Fish Shadow Quest is designed as a team challenge, you can also attempt it solo. If you choose to do it alone, bring plenty of mermaid fish lures and choose deep water areas.


- issued
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January 8, 2026
- developer(s)
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XD
- Publisher(s)
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XD
- Number of players
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single player
- Steam Deck compatibility
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unknown