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Stage Five of Onion Ocean in Kirby’s Return To Dream Land Deluxe has you taking on the boss fight of this stage, the Fatty Puffer. This puffer fish has a lot of tricks up its sleeve, and, as you might expect, it acts similar to how an actual puffer fish might.

Related: Kirby’s Return To Dream Land Deluxe: Beginner Tips

It often inhales deeply to puff itself up and make itself a bigger presence in the arena, meaning you have less room to manoeuvre Kirby and his attacks. However, once you know what kind of attacks it has in its arsenal, and when you should be attacking, you’ll be able to take down this oversized fish with ease.

Copy Ability Choices

Kirby Onion Ocean Stage Five Four Copy Abilities

You have four Copy Abilities to choose from when fighting this boss:

  • Mecha;
  • Parasol;
  • Spear;
  • and Ice.

You’ll want to go with the Mecha Copy Ability, as it gives you the most options when attacking. Pick up your chosen Copy Ability and head down to the right to find the star door. Enter here to find the boss room.

How To Defeat The Fatty Puffer

Kirby opposite the Fatty Puffer boss in Stage Five of Onion Ocean in Kirby's Return To Dream Land Deluxe

The Fatty Puffer will inhale air, inflate just like a puffer fish, and then charge at you. When it starts inhaling, jump up into the air to dodge it when it charges.

After it tries this attack, it will deflate, then resort to jumping around the area, trying to slam into you. Make sure to jump to dodge this.

The Fatty Puffer will also spit out smaller puffer fish that will damage you on contact. You can dodge these, or hit them to rebound them back at the boss, depending on which Copy Ability you chose. It can also spit out water, so make sure to dodge this whenever it starts.

Get your hits on the Fatty Puffer in between dodging its attacks, and you’ll soon whittle it down to half health.

When you have reduced its health by half, it will start to inhale lots of air and inflate even bigger than before, taking up almost the entire boss arena with its size. Be careful not to get trapped against the side of the arena when it charges for you.

Kirby Onion Ocean Stage Four Fatty Puffer Water Blast

When it deflates, it may start to shoot a huge blast of water. You’ll need to jump up to dodge this and avoid getting stuck in the blast.

Additionally, the Fatty Puffer may now start to slam on the ground, causing the stalactites on the ceiling to come loose. Make sure you’re not directly underneath them, otherwise they’ll land on you and hurt you.

Whenever the Fatty Puffer starts to inhale air or has just deflated, this is when you can start hitting it. Otherwise, make sure you’re dodging all the attacks it throws your way.

Once it’s defeated, you’ll get the left wing for the Lor Starcutter.

Next: Kirby's Return To Dream Land Deluxe Review - On Poyo-oint