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(1 of 2) Looks like someone is contaminating the water

Looks like someone is contaminating the water (left), You need to have started The Thunder Helm before you can talk to Dalia (right)

The Mystery Polluter

You need to have first unlocked “The Thunder Helm” sidequest first. You can learn how to start it here. Talk to Dalia, a Gerudo child, who is in the northwest corner of Gerudo Town.

She will talk about trying to grow plants, but to her distress, the water is contaminated. Your job is to figure out the source of the pollution so that she can grow plants in peace.

First, collect 10 Wildberries. This will save you the labor of having to get them later, that’s all. Wildberries grow where it is cold and can also be found growing near the stables in the Hebra region.

(1 of 2) Climb up this waterfall to start your hunt for the polluter

Climb up this waterfall to start your hunt for the polluter (left), You can see a melon rind floating past Link here (right)

Then, climb up the waterfall that Dalia is standing by. If you wait a few seconds, you will see what looks like melon rinds floating in the water. Follow the melon rinds to their source by going straight west.

You will see a Gerudo named Calyban snacking on melons. She will offer to stop eating the melons if you bring her 10 Wildberries. This is why we told you to gather them up earlier, to save you the effort of having to come back again.

(1 of 2) Dalia will give you this as a gift of gratitude

Dalia will give you this as a gift of gratitude (left), Now she can start growing her own Wildberry patch (right)

Deliver her 10 Wildberries. She will leave the area, saying that she wants to help clean up the mess she made. Return to Dalia. She will give you a Hydromelon as thanks and with that, this sidequest is complete.

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Guide Information
  • Publisher
  • Platforms,
    Switch, Wii U
  • Genre
    Action Adventure
  • Guide Release
    6 April 2018
  • Last Updated
    27 June 2023
    Version History
  • Guide Author
    Cassie Sun

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You wake up in the mysterious Shrine of Resurrection and see a Hyrule you no longer recognize. All you have by your side is the equally mysterious Sheikah Slate and the voice of a stranger to guide you. Take up the mantle of the chosen hero Link and journey throughout the most expansive, open iteration of Hyrule yet in your quest to destroy the monstrous Calamity Ganon and recover your memories of what happened 100 years ago.

This guide will serve as your companion as you traverse the beautiful world of Hyrule. It currently covers the following content:

Version 1.1 (Updated October 2021)

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