Underground Man

The Underground Man lives in Eterna City in a house next door to the Pokémon Center. He is a realtive of Byron and Roark.

When the player first meets him, he gives you the Explorer Kit. The other NPCs in his house describe various aspects of exploring the Sinnoh Underground.

He also gives a series of tasks, each with various rewards when they are completed:

• Use the Explorer Kit and go to The Underground
• Dig something out of the wall
• Plant a Sphere in the ground
• Dig a Secret Base
• Capture a flag from another player's Secret Base
• Capture five flags from another player's Secret Base
• Capture ten flags from another player's Secret Base
• Capture fifty flags from another player's Secret Base