Relive the adventures in the Sinnoh region with the Pokémon Brilliant Diamond for Nintendo Switch. You’ll choose Turtwig, Chimchar, or Piplup to be your first partner Pokémon and set off on your journey to become a champion of the Pokémon League. Along the way, you’ll encounter the Legendary Pokémon Dialga who has the power to control time and appears as an ancient deity in Sinnoh-region mythology. | Pokémon Brilliant Diamond (Switch)