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Unlike earlier Zelda games, Link has access to quite a lot of armor in The Legend of Zelda: Breath of the Wild. Beyond his famous green tunic being replaced with the Champion’s Tunic, Link can obtain mementos of his fellow Champions. While most of these tend to be weapons, Mipha leaves Link behind the Zora Armor, and you can eventually claim Urbosa’s former Thunder Helm.
To obtain the Thunder Helm, you'll have to jump through a few hoops and help out the people of Gerudo Town, proving to Riju, the chief, that you're worthy of bearing this heirloom. Here are all the quests you'll need to complete to get your hands on this piece of armor.
Updated April 11, 2023: The Thunder Helm is a handy piece of equipment that you can use in Breath of the Wild, as it will prevent you from getting struck by lightning. We've updated this guide for clarity to help you finish all the quests in Gerudo Town and obtain it easily.
How To Begin The Thunder Helm Side Quest
After retrieving the Thunder Helm from the Yiga Clan and completing Vah Naboris in the Gerudo Desert, the Thunder Helm will return to its place on display next to Riju in the throne room.
Examine the Thunder Helm, and Riju will task Link with helping out the people of Gerudo Town if he wants to claim it for himself. From here, The Thunder Helm side quest will activate, and you'll need to complete the following quests to complete it:
There are several more side quests available in Gerudo Town, but only the above quests contribute to the completion of The Thunder Helm.
Medicinal Molduga
Medicinal Molduga can be found by speaking to Malena in the Gerudo Barracks.
Maleena’s husband is suffering from an illness that only Molduga Guts can cure, but her fellow Gerudo refuses to offer any assistance.
Molduga can be found in the Gerudo Region, specifically around Arbiter’s Grounds, Southern Oasis, North Dragon’s Exile, and Toruma Dunes.
Once Link kills a Molduga, picks up its Guts, and gives them to Maleena, she will reward you with 300 Rupees and clear the quest.
The Mystery Polluter
A Gerudo girl named Dalia can be found sobbing in an alleyway, behind the row of shops.
Speaking to Dalia reveals that she wants to grow plants, but can’t due to extreme Hydromelon rind pollution. Link will need to follow the rinds upriver to find their source and help Dalia out.
At the end of the waterway, you will find a Gerudo woman named Calyban munching on Hydromelons. She’ll brush off Link initially, demanding ten Wildberries before she gets up and moves.
Wildberries can be found in abundance in either the Hebra Mountain or Gerudo Highlands. After giving Calyban the Wildberries, she’ll get up and help Dalia clear the water.
Once you return to Dalia, she’ll give him a Hydromelon and plant a permanent Wildberry patch in Gerudo Town. This completes The Mystery Polluter quest.
The Search For Barta
To begin The Search for Barta, speak to Liana in the Gerudo Barracks. Liana can be found training with her fellow Gerudo Soldiers, letting Link know that Barta has gone missing if he talks to her.
Speaking to the nearby Gerudo guards helps in revealing Barta’s approximate location: the Gerudo Great Skeleton.
If you have already unlocked the Hawa Koth Shrine, simply teleport there. Walk behind the shrine to find Barta.
To find the Gerudo Great Skeleton, exit Gerudo Town from the southwest and head straight through the desert. Renting a sand seal will make this much quicker.
You will spot Barta kneeling on the ground on the edge of the skeleton. When spoken to, she’ll tell Link that she wants to taste a Hearty Durian one more time before she presumably dies out in the desert.
Hearty Durians can be found all around West Necluda and the Faron Grasslands. Give Barta a Hearty Durian when you have one, and she’ll regain the will to return to Gerudo Town. Speak to Liana to complete the quest and get 100 Rupees for the trouble.
Tools Of The Trade
The Starlight Memories Jewelry Shop in Gerudo Town sells some of the best equipment in the game. Unfortunately, Isha the shop owner lacks the resources to actually craft any new accessories. Link needs to speak to Isha outside her store where she’ll ask for ten Flint.
Flint can be found all over Hyrule, but most commonly on Death Mountain thanks to all its ore deposits.
After giving Isha ten pieces of Flint, speak to her inside the Starlight Memories where she’ll offer to make Link one of three different accessories: the Topaz Earrings, Sapphire Circlet, or Ruby Circlet.
All three are useful headpieces to have in Gerudo Desert – resistance to Electricity, Heat, and Cold respectively. Pick your favorite to wrap up Tools of the Trade.
How To Obtain The Thunder Helm
After completing all four side quests in Gerudo Town, return to Riju and speak to her to claim the Thunder Helm. She’ll let Link know that she’s heard of all the good he’s done around Gerudo Town, finally allowing you to take the Thunder Helm.
When equipped, the Thunder Helm negates any and all damage from lightning strikes. The Thunder Helm also allows Link to walk through Gerudo Town without being kicked out if it's worn with the Gerudo Set.
Unfortunately, the Thunder Helm cannot be upgraded at any Great Fairy Fountains and is capped at a defense stat of just three.