Worldcore

The Worldcore (Japanese: のへそ World's Navel) is a playable dungeon the undefined goes through in Pokémon Mystery Dungeon: Gates to Infinity. It has 13 floors and no boss. This dungeon is accessible after the player completes the main storyline and goes to two dungeons, and is the final story dungeon in the game. When initially explored, as a story dungeon, recruited Pokémon will automatically be sent back to Pokémon Paradise instead of staying in the group. B5F and B12F each have a locked gold door that requires 2,000 Poké to pass through.

Trivia

 * A majority of the Pokémon found in this dungeon are of species included on 's team.

In other languages
Nabel der Welt Nucleus Mundi 世界のへそ 世界之臍