Fairy Fountain: Deep Snows

is a side quest in.

Overview
Fairy Fountain: Deep Snows is a side quest located in Tabantha Frontier after completing the side quest, Offering Help on the Road.

Unlike the other side quests unlocked, Fairy Fountain: Grassy Plains and Fairy Fountain: Desert Sands, it does not have a time limit. Instead, the player has to protect the Rito Captain from Blue Moblins, while defeating 5 Ice Moblins in order to progress through the challenge. Once all the Ice Moblins are defeated, 5 treasure chests, each containing 300 rupees. After heading to the targeted position, the character will need to fight Kaysa. Once defeated, the side quest will be completed. If this was completed on his/her first try, the rewards will be 1 Ethereal Stone, 3 Fairies, 10 Hearty Salmon, and a random weapon.