Zero Isle South

Zero Isle South (Japanese: ゼロのしま なんぶ Zero Isle South) is a dungeon in  and. Players must start at Level 1, have no items in their Treasure Bag or any Poké, travel alone without any partners, and cannot recruit any wild Pokémon. This and are the ultimate dungeons of the sequel, much like how Purity Forest is the ultimate dungeon of the first game.

There are locked chambers on various floors throughout the dungeon which contain specialized items for Legendary Pokémon or s. There is also one on the B96 Floor that contains a Miracle Chest. are found throughout the dungeon and they sell extremely rare items. At the very end of the dungeon is a single deluxe box that will contain either a or a.

The key chamber items are as follows:
 * B15F: Time Shield, Wish Mantle , Chrono Veil , Reviver Seed, or
 * B25F: Rainbow Veil, Bolt Fang , Flare Fang , Aqua Mantle , Reviver Seed, or Wonder Gummi
 * B30F: Life Seed and Joy Seed
 * B96F: Miracle Chest

In other languages
Null-Insel Süd Isla Cero Île Zéro Sud Isola Zero Sud ゼロのしま なんぶ 零岛南部