There are several kinds of fish in Genshin Impact, and Golden Koi is one of them. Travelers need 20 Golden Koi, 20 Rusty Koi, and six Raimei Angelfish to get the new Polearm, "The Catch." This Polearm is great for characters that rely on their Elemental Burst, and it is also the best F2P weapon for Raiden Shogun in Genshin Impact.
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"The Catch" is available to purchase from Kujirai Momiji in Inazuma, along with the Refinement
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