- Acquire the shiny charm (optional).
- Go to the Isle of Armor’s Training Lowlands.
- Head towards where you battled Mustard after the third Gym Badge to find a bridge.
- Cross the bridge and make your way to the right through the grass until you reach a grassy clearing.
- Use the date exploit or the Masuda Method to try and hatch a Shiny Ralts.
- Battle wild Pokémon until a shiny Kirlia appears.
In Pokémon Brilliant Diamond and Shining Pearl
- Acquire the shiny charm (optional)
- Go to route 214 and use a repel trick while running around in circles.
- Use the Masuda Method to obtain a shiny Ralts.
- Chain method in the Grand Underground.
- Battle wild Pokémon until a shiny Kirlia appears.