Genshin Impact: How to unlock the “Cost-Effective Hook” World Quest and a secret achievement

cost-efficient hook featured

Cost-Effective Hook is one of the many World Quests introduced in Genshin Impact during the Sumeru update. Many of those quests are naturally found during exploration, while others require you to attend to some previous requirements before you can actually get them. This is one of them.

The biggest problem with getting this quest, which will also net you a secret achievement along with its normal rewards, is that it relies on RNG to unlock it. Fortunately, we can control it to a certain degree.

In this guide, you’ll learn how to unlock the Cost-Effective Hook world quest, which is pretty simple and straightforward to complete. All it takes is patience and a little luck to get the correct Daily Commissions in the following days.

How to unlock the Cost-Effective Hook world quest

This quest is related to the Sumeru Daily Commission known as “Supreme Hookshot?”. This commission revolves around the fisherman Kayvan, who claims to be the best fisherman in Port Ormos. Turns out this title was just a silly nickname his fellow fishermen gave him due to his inability to catch anything other than junk and relics from the sea.

cost-effective hook ending
Credit: Hoyoverse, TheClick.gg

You need to stumble across this Commission three times in order to unlock the World Quest. There are three possible types of baits, but you just need to complete the commission three times independently of the version you got.

His possible baits are Zaytun Peaches, Mushrooms, and Bird Eggs. Mushrooms and eggs will require you to go to specific areas to get them, while the Peaches version is the easiest. You can immediately give him the ones you’re holding, and the commission is done.

In order to help you get this World Quest faster, be sure to set your preferred region for commissions to Sumeru through the Adventurer’s Handbook. 

After clearing it for three days, the Cost-Effective Hook quest will appear in your Quests list on the following day, starting in the same place where the commission takes place.

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How to complete Cost-Effective Hook and get a secret achievement

Your goal is to get Kayvan some bait once more. Go to the marked spot and fight some Tigers/Fungi to get your special Mints. Aside from it, you also need to give him 1x Wheat and 1x Sunsettia.

cost-effective hook mints
Credit: Hoyoverse, Theclick.gg

After giving him the material, he ends up getting a relic from the sea, as usual. He then sends you to get more special bait for him. This time the area is close to the Statue of the Seven in Devantaka Mountain.

The spot will be filled with monsters once again, but you can get the special Harra Fruit after defeating them. Take it back to Kayvan along with 1x Wheat and 1x Sunsettia again. This time he gets something else than relics: Slimes!

cost-effective hook materials
Credit: Hoyoverse, TheClick.gg

Take care of them so he can attempt to get more fish. Guess what? He gets another relic. And I bet you know what you’ll need to do next.

This time he asks you to get Fresh Zaytun Peaches from nearby spots. You’ll find some enemies along the way, but nothing that you can’t easily handle.

cost-effective hook bait
Credit: Hoyoverse, TheClick.gg

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Kayvan tries his last shot at getting a fish, and… yeah, the man can only get relics. Luckily, Helbert promises to take him to an expert to find out why he can only hook anything else than fish. 

Cost-Effective Hook rewards

You get the secret achievement “Aha! What’s on the Hook?” by completing the quest alongside its rewards.

cost-efficient hook achievement
Credit: Hoyoverse, TheClick.gg
  • 150x Adventure Exp
  • 20,000 Mora
  • 3x Hero’s Wit

You also get 20x Sumeru Reputation, which you can claim in Sumeru City by talking with Effendi.

Genshin Impact is an action role-playing game developed by miHoyo, also known as HoYoverse. The game is available for PC, PS4, PS5, iOS, and Android, while a release on Nintendo Switch is currently in the works

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