How to Complete The Sea’s Legend request and catch Manaphy in Pokémon Legends: Arceus

Pokémon Legends: Arceus allows its players to live the ancient myth surrounding the mythical Manaphy. This guide aims to help you through the complex story of request 66: The Sea's Legend and catch yourself both Manaphy and Phione.

How to Complete The Sea's Legend request and catch Manaphy in Pokémon Legends: ArceusRequest 66 in Pokémon Legends: Arceus is a bit of a hassle to complete – but it’s one of the most rewarding side quests nonetheless since it allows you to catch Manaphy and Phione. As you complete The Sea’s Legend quest, you live the story of a brave human who wanted to meet a Pokémon known as the prince. Over generations, the tale was passed down to modern Sinnoh, where the story remains readable in Canalave Libary. It reads as follows:

Once upon a time in the East Sea, there was a Pokémon known as the prince. A brave human asked Pokémon living in the area to let them see the prince. Mantyke, Buizel, and a Qwilfish with huge spikes acknowledged the human’s bravery and joined them. Together, they set off on a boat over the sunset-streaked sea, sailing through the ocean gate stretched over the waves. News of this reached the ears of the prince, who went to meet the brave little party at Seaside Hollow.

Bear this story in mind. It will provide all the information you need to complete this request. This guide for The Sea’s Legend Request will show you exactly which steps you should take and how you can catch the Sea Guardians.

How to get the request available and where to go to start it

You can find Request 66 as you reach the Coronet Highlands during Mission 11 of the main questline, while you’re a 5-star rank or higher. Talk to Professor Laventon in Galaxy Hall in Jubilife Village. You will see the mission listed on the Blackboard. As you activate ‘The Sea’s Legend,’ Professor Laventon will tell you about a mysterious swimmer he had seen along Prelude Beach. He believes it may have been some sort of Pokémon, which he deduces should by the time you activate the mission be in the Cobalt Coastlands. Laventon summons the local warden for more information. He shares a story about a princely Pokémon, but no one knows much about the story beyond its existence.

You can accept the quest at the blackboard in Professor Laventon's lab

You can accept the quest on the blackboard in Professor Laventon’s lab.

With those few hints, you’re off to find the curious Pokémon.

Cathing the Pokémon you need

Looking back at the story, the brave human who wanted to meet the prince had the help of three Pokémon. Mantyke, Buizel, and a Qwilfish with huge spikes. As such, the first steps to complete this mission include catching these three Pokémon and adding them to your party. Fortunately, you won’t have to do too much traveling, as all three Pokémon you need are available in the Cobalt Coastlands.

Obtaining Mantyke

Travel to the Cobalt Coastlands and head for Gingko Landing or Tranquility Cove. Mantyke is very common in these areas and appears in the water during any time of day and under any weather condition. Finding and catching a Mantyke should not be a major problem.

You can find Mantyke near Gingko Landing and Tranquility Coast in the Cobalt Coastlands.

You can find Mantyke near Gingko Landing and Tranquility Coast in the Cobalt Coastlands.

Obtaining Buizel

Chances are that you’ve already caught a Buizel earlier in your playthrough. It’s a common Pokémon throughout the Obsidian Fieldlands, and you’ve possibly already tried your hand at catching the infamous big Buizel. In case you don’t have a Buizel yet, it’s also common in the Cobalt Coastlands. It appears near Aipom Hill and Bather’s Lagoon during any hour of the day and under all weather conditions. 

You can find Buizel near Aipom Hill and Bather's Lagoon in the Cobalt Coastlands

You can find Buizel near Aipom Hill and Bather’s Lagoon in the Cobalt Coastlands.

Obtaining ‘a Qwilfish with huge spikes’

The last Pokémon you need to complete the Sea’s Legend is the trickiest. The Pokémon the legend describes is Overqwil, the evolution of the Hisuian version of Qwilfish. To obtain it, the first order of business is catching a Qwilfish. To catch one, find it in either Tranquility Cove, Lunker’s Lair, or Islespy Shore. It’s especially common in Tranquility Cove and Lunker’s Lair. Similar to Mantyke and Buizel, you can catch it at any time of the day under any weather condition.

You can find Qwilfish near Tranquility Cove, Lunker's Lair, and Islespy Shore in the Cobalt Coastlands

You can find Qwilfish near Tranquility Cove, Lunker’s Lair, and Islespy Shore in the Cobalt Coastlands

After you successfully caught a Qwilfish, you have to evolve it into an Overqwil. If you didn’t do so yet, add it to your party. You can always do this by going back to any field camp and talking to the Galaxy Member. Tell him to “see your Pokémon” and take out Qwilfish. To evolve it into Overqwil, it has to use ‘Barb Barrage’ 20 times in strong style. If your Qwilfish does not have the move available, change the Pokémon’s moves in the main menu to include Barb Barrage.

To evolve Qwilfish, use the move Barb Barrage 20 times in strong style.

To evolve Qwilfish, use the move Barb Barrage 20 times in strong style.

After you train up, you will be able to evolve your Qwilfish into a beastly Overqwil.

Preparing the Party

Congratulations, you’re all set for your audience with the prince. Before you proceed, make sure to have plenty of healing items and Pokéballs with you. Ultra Balls will serve you well in your upcoming challenge. To craft Ultra Balls, you need to be a 6-star member of the Galaxy Team. If you haven’t reached 6-stars yet, I’d recommend playing a little more of the main story and coming back to this side quest after you can make them. Stack up on healing items as well.

Head back to the Cobalt Coastlands if you weren’t there already. Once you’re there, make sure to talk to the local Galaxy Member and change your party to include Mantyke, Buizel, and Overqwil. Use the other party slots to take Pokémon with you that are effective catchers. Pokémon like Gengar, Darkrai, Sneasler, and Gallade are good choices. Many of these Pokémon can learn the move False Swipe. This move deals decent damage without ever killing the enemy Pokémon, making it perfect for catching. They can also use moves like Hypnosis or Dark Void, which inflict statuses to make the Manaphy easier to catch – and the Sea’s Legend easier to complete.

A prepared party is half the work.

A prepared party is half the work.

Reaching Seaside’s Hollow

With your party prepared, you’re all set. Head to Sand’s Reach. You can fast travel there if you’ve got the Coastlands Camp set up. When you leave camp, make sure it’s evening. You can set the time to evening by walking to the tent in the camp and selecting rest until evening.

Sand's Reach, where the mission to catch Manaphy truly begins

Sand’s Reach, where the mission to catch Manaphy truly begins

As you wake up in the evening, head up the middle finger-shaped peninsula. You’ll see two horn-like rock formations towering out of the water. Use Basculegion to sail between them, and a textbox will appear with a Pokémon’s cry. It will also tell you that something sounded like a boulder shifting in the distance. This is your cue to head to the final location of which the legends speak: Seaside Hollow.

Catch Manaphy and Phione

After you reach Seaside’s Hollow, you’ll finally meet with the prince itself: Manaphy. It’s not alone however, it also has three Phione’s around it, and they’re all catchable! Make sure to save before entering the cave. The Manaphy and Phiones inside will be shielding themselves initially, so make sure to throw an object (like a Pokéball or a Ball of Mud) before engaging them in combat.

Finally, you can catch Manaphy - and 3 Phiones additionally!

Finally, you can catch Manaphy – and 3 Phiones additionally!

Manaphy will be level 50 and the three Phione’s will be level 30. If you’re having trouble fighting all simultaneously, wait until the Pokémon have roamed far enough apart from one another so you can engage them separately. Don’t worry if you accidentally knock Manaphy or one of the Phiones out – they will respawn when the area resets. This can be after sleeping until the next day, or by leaving the area and then simply coming back. Still, if you don’t want to go through all that hassle, it’s best simply to save and reload if something unfortunate happens.

Complete The Sea’s Legend and Rewards

After this crazy adventure, head back to Professor Laventon at the nearest field camp. As a token of gratitude, he’ll give you 3 comet shards, which are worth a lot of money. Perfect for buying expensive items or upgrading your inventory!

I hope this guide was helpful for you to help complete the Sea’s Legend and catch Manaphy! Also, make sure to check out our Pokémon Legends: Arceus review.

Need help with more quests? Check out our other helpful guides:

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