In Pokemon Brilliant Diamond and Pokemon Shining Pearl, players can explore the massive underground network of tunnels called the Grand Underground for a variety of new Pokemon. However, players can also head there to grab fossils and make those fossils into new Pokemon.
The Grand Underground is a massive network of underground tunnels in the new Pokemon Diamond and Pearl. These tunnels open up into a number of caves that are themed, allowing players to catch a variety of Pokemon that usually
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