Ralts is a Psychic & Fairy type Pokemon that you will find in the Grand Underground in Pokemon Brilliant Diamond & Shining Pearl (BDSP). This guide shows how to reach the grand underground and the underground hideaway/ Biome where you will find Ralts.
How to reach the Grand Underground
To reach the Grand Underground, you will first need the Explorer Kit. You will get the Explorer Kit in the Underground Man’s House, which is right next to Pokémon Center in Eterna City as shown in the picture below. Enter the house and talk to the Underground Man to receive the Explorer Kit. The Explorer Kit will be in your Bag’s Key Items pocket.
Once you have the Explorer Kit, go to your Bag’s Key Items pocket and use the Explorer Kit to enter the Grand Underground. Then you can explore the Grand underground.
Where to Find Ralts
There is a total of 18 hideaways/Biomes in the Grand Underground. You will find Ralts in Dazzling cave, Fountainspring cave & Stargleam Cavern. These biomes can be identified on the minimap by their icon shown in the picture below. You will need to press ‘Y’ to open the minimap. Click here to see how to reach all the areas in the grand underground. Place Psychic Type Statues in your secret base to increase the chances of Ralts spawning.
