Alpha-sapphire: Most of Gulpin’s body is made up of its stomach—its heart and brain are very small in comparison. This Pokémon’s stomach contains special enzymes that dissolve anything.Omega-ruby: Virtually all of Gulpin’s body is its stomach. As a result, it can swallow something its own size. This Pokémon’s stomach contains a special fluid that digests anything.Y: There is nothing its stomach can’t digest. While it is digesting, vile, overpowering gases are expelled.