Metagrossite (Mega Stone)
Location If starter is Beldum: Find the stone in the Shadow Base Warehouse in Frozen Heights. It’s behind a locked door that you need the level 2 Key Pass to unlock.

Otherwise: It is a gift from Professor Log after completing the “Portal Purge” post-game mission.
Mega Evolution Metagross

Prerequisites

  • Defeat Shadow Boss Zeff at the Shadow Base
  • Complete the main story

Location

Acquiring the Metagrossite depends on whether you chose Beldum as your starter.

If Beldum Was Your Starter

Fly to your house at Frozen Heights and head west.

Standing outside of the player’s house at Frozen Heights. / Pokémon Unbound
Standing outside of the player’s house at Frozen Heights.

You’ll shortly come across a frozen lake that you want to follow north.

Following the frozen lake north. / Pokémon Unbound
Following the frozen lake north.

You’ll see the Shadow Base entrance you want to go through in the lake’s northwest corner.

Entering the Shadow Base. / Pokémon Unbound
Entering the Shadow Base.

Now, follow the path west.

Going west after entering the warehouse. / Pokémon Unbound
Going west after entering the warehouse.

Enter the room at the end of the path to reach the area where you started the game.

Entering the west room. / Pokémon Unbound
Entering the west room.

The Metagrossite is behind a locked door to the west that requires the level 2 Key Pass acquired during the main story.

Acquiring the Metagrossite from behind the locked door. / Pokémon Unbound
Acquiring the Metagrossite from behind the locked door.

If Beldum Wasn’t Your Starter

If Beldum wasn’t your starter, you can acquire the Metagrossite by completing the “Portal Purge” post-game mission the professor gives you after you complete the game.

Back to: Mega Stones