One of the many new items added to Legend of Zelda: Tears of the Kingdom is Bubbul Gems. These tiny objects are a form of currency in the new version of Hyrule, and players will have little to no idea what to do with them when first picking them up. As you may or may not know, Bubbul Gems are only found by defeating and looting enemies with their namesake, Bubbulfrogs. These giant frogs are not easy to take down and offer players one Bubbul Gem upon defeating them.
If you want to learn how to spend your Bubbul Gems in Legend of Zelda: Tears of the Kingdom, check out our guide below.
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Bubbul Gems can only be spent at one merchant’s shop in Hyrule. That merchant is named Koltin, and they only deal in the gems that Bubbulfrogs drop. You can find Koltin in the town of Eldin at the Woodland Stable. Eldin is located northwest of Lookout Landing and New Serenne.
At the stable, you will two NPCs standing next to a colorful cart. These NPCs are Koltin and Kilton. You want to speak to Koltin, as they are the trader who deals in Bubbul Gems. Upon speaking to Koltin, you will be able to trade one Bubbul Gem with them, which results in you receiving the Bokoblin Mask. This mask acts as a form of disguise, allowing you to confuse Bokoblin into not attacking you at first sight.
However, after trading with Koltin for the first time, they will disappear and not be located at the Woodland Stable. Instead, you can now take on a side quest called Search for Koltin by interacting with the clue they leave behind at the stable. Following this quest leads you to Tarrey Town, which is located due east of your position.
By following the clue, you will discover that Koltin is planning to set up a new Bubbul Gem shop at night on a hill near the lake that’s close by. This shop will be right underneath the Ulri Mountains Skyview Tower and you will be able to find Koltin there at nighttime.
