The Great Fairies are a staple of the Zelda franchise, but especially The Legend of Zelda: Ocarina of Time. While they might all look the same, rest assured that there are six unique Great Fairies across Hyrule with gifts to grant Link.
That said, these gifts don't come free, so if you're hoping to take advantage of everything the Great Fairies have to offer, then you'll need to start saving up your Rupees for offerings now.
You don't need to find the Great Fairies in any particular order, and you don't have to accept every gift. The most natural order follows the locations you'll visit throughout the story, in order, but you can visit and accept the gifts in any order once you have access to the areas.
Found at the top of Death Mountain, after completing the Dodongo Cavern dungeon and helping Goron City.
Din's Fire: Create a fiery dome around you when you cast. Uses 2 Magic Power.
After passing through the gate on the path to Zelda, you'll see a short path off to the right with a breakable rock wall. Use a bomb to clear the way to this Great Fairy.
Improved Spin: Strike nearby foes with a mighty wave of magic power. You will be vulnerable while charging it up.
After you give King Zora the letter, you'll gain access to the Zora Fountain. In this area, head to the island at the southern end of the map to find the Great Fairy's entrance.
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