Pokémon Pearl & Diamond: Exploring Underground Caverns

In this guide to Pokémon shining pearl and shining diamond you will learn:

  • Where to find the underground caves of the Sinnoh region
  • How to build a secret base
  • How to find and dig up treasures
  • What statues underground do

The Sinnoh region of Pokémon Shining Pearl and Shining Diamond is undercut by an extensive cave system called the Underground Caves. Many strong Pokémon and some rare Pokémon cavort there. In this guide, we'll show you how to discover the entrance to the underground and what there is to do there. If you are still looking for tips on how to get started, read our tips guide for Pokémon Shining Pearl and Shining Diamond.

What is the underground in Pokémon Pearl & Diamond?

The underground caves of the Sinnoh region are the setting for extensive side activities aside from the main quest of Pokémon Shining Pearl and Shining Diamond. There you can explore alone or in multiplayer (local and online).

The wild Pokémon that live there don't hide in the tall grass, but roam around openly. You can target them and catch them in battle. They adapt to the strength level of your team. The more medals you collect, the higher the level of the wild Pokémon increases.

In order to operate successfully in the underground, you also need important equipment. You can read how to find them in the following sections. So first follow the main story and then return to the underground strengthened to complete the Sinnoh Pokédex (Guide) or dive in between to train your Pokémon.

Where can I find the underground caves in Pokémon Pearl & Diamond?

To get to the underground caves in the Sinnoh region, you must first travel to Ewigenau . In the house to the right of the Pokémon Center, you will meet an elderly gentleman. Talk to him and he will turn out to be the underground man who will show you the way to the underground caves. He will also equip you with the exploration set you need to get started. You'll find it in the basic item bag of the pouch from now on. You can use the exploration set at any time to descend into the underground caves of the Sinnoh region. To get out, press the Y button again.

The underground man will show you the way to the underground caves of the Sinnoh region.

How do I dig for treasure in the underground caves of Pokémon Pearl & Diamond?

On the map of the underground caves (Y button), there are small yellowish symbols. At these locations, you can dig into a rock wall and recover a treasure. If you are close to the location, use the R key to trigger the radar to find the exact excavation site. Walk towards the light and press the A key. Dig the hole in the associated mini-game with the sledgehammer and pickaxe from the exploration set.

The radar will show the excavation site for a treasure in the underground caves.

How do I build a secret base in the underground caves of the Sinnoh region?

You can dig a hole in any wall of the underground caves and build a secret base in it. However, you will need a disposable drill before you can do thiswhich you can buy with a little luck from a trader in the underground. However, you can get it faster via the underground man. When you have recovered a treasure for the first time, return to the underground man in Ewigenau and he will reward you with a drill.

With the disposable drill, you may build a secret base on any wall in the underground caves.

What treasures can I dig up in the underground caves?

When digging in the underground caves, you can recover three different types of treasures: spheres, items, and statues. Spheres can be exchanged for items at the merchants in the underground caves. They have different degrees of rarity, which make them worth different amounts.

Occasionally you will meet Digdas and Digdris at crossroads. If the mole-like creatures disappear, collect their shimmering legacy. One Digda earns you one point, Digdri earns you three points. Collect a total of forty of these points to increase the quality of the treasures. Be careful: the underground points expire as soon as you return to the surface or quit the game.

You can find the following spheres in the underground caves:

  • White Sphere S and L
  • Prism Sphere S and L
  • Jadesphere S and L
  • Indigosphere S and L
  • Purple sphere S and L

In the secret base you may build the statues you found.

What do statues in the underground caves bring?

In addition to spheres and items, you'll also find chests containing the coveted statues or the pedestals needed to set them up. The Pokémon statues have different degrees of rarity. If you place them in the secret base, they will cause special effects on the underground Pokémon. For example, more Pokémon of a certain type will appear in an area. With the right statue, the chances of encountering legendary Pokémon also increase.

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