Walkthrough:Kingdom Hearts/Atlantica

Atlantica


Just before you enter this world, a brief scene will show being concerned about entering this world, since they will drown if they enter it. then tells him that his magic can allow them to survive.

Upon landing, you'll see that Sora now has a blue dolphin tail, Donald now has octopus legs and Goofy has become a sea turtle. You'll then be introduce to, and , who will teach you how to swim. You mostly have to follow around. Soon, a bunch of Heartless will appear, and your new friends will hide in a clam. After defeating the Heartless, attack the clam to let your friends out, revealing a save point (type 2). will then join the party.

Follow the trident marks on the wall to advance with the story. You'll also notice that the Heartless are very different than the ones encountered in other worlds, though the s can also be found in Halloween Town. Once you reach the palace, three s will follow the party, but will vaporize them. He refuses to tell the party about the Keyhole, and will forbid from leaving the palace. She swims off. You can find her at her Groto.

In the Groto, the music will change, and you'll notice a trident head-shaped hole on the wall. Now you must follow the dolphin that swims around the area back to the Undersea Valley. Once you reach that area, grab onto it (make sure there are no Heartless around) and it will take you to the Sunken Ship. Inside of the ship, you'll find a treasure chest containing a. However, just before you open it, a shark will smash the ship, creating a hole big enough for the party to go through. He'll appear randomly at the Sunken Ship area, so be on your guard when you decided to travel the area. Now you must return to the Groto. The easiest way is to use a shortcut found near the ship, and use the rapid water sprout to push a treasure chest out of the way.

During the cutscene, will show up and destroy the, causing  to swim off crying. He'll also exile the party out of his world. However, the save point at the Tranquil Grotto will not allow you to leave. Meanwhile, is trying to trick  into helping her take King Triton's trident. Once you reach the palace, you'll notice that is wounded, and that Ursula has made off with his trident. is determined to get it back, and will then rejoin the party.

Head back to the Sunken Ship, and you must now fight the shark. Once he is defeated, will open a hidden tunnel leading to the Den of Tides. There is a save point at the Cavern Nook, so you'll be able to save and heal. At the end of the tunnel, you'll encounter.

After defeating her, she'll disapear into what appears to be a portal. You'll then learn Mermaid Kick, which is needed to reach for the second battle with her

After defeating, you'll be taken back to the palace, where will tell you that the world's Keyhole is in Ariel's Groto. Head to the Groto (don't worry about the Heartless now, since they won't attack the party now), and then will use the trident to reveal the Keyhole, ending Atlantica's story.

If you want to get a 100% completion, you will need to return to Atlantica to perform a Trinity Detect, which can be found in Triton's Palace.