Northwind Field is the third dungeon in the quest for the Mirage Pokémon. After completing this dungeon, Suicune will turn the Sunset Feather into the Rainbow Feather and the player can finally go to meet the Mirage Pokémon on Mt. Faraway.
There is a chance of buried items appearing in this dungeon.
Water Stones can be found on the ground on 29F. A locked chamber on 20F contains the Lunar Ribbon, required to evolve Eevee into Umbreon. If player already has one, it will be replaced by Link Cable.