Starting on Tuesday, December 2, 2025, you can receive Mewtwonite X and Mewtwonite Y stones through the Mystery Gift feature, and Mewtwo’s extra side mission will become available.

If you complete this mission, you’ll be able to add the Legendary Pokémon Mewtwo to your team. If you then give Mewtwo either the Mewtwonite X or Mewtwonite Y stone, Mewtwo can Mega Evolve into Mega Mewtwo X or Mega Mewtwo Y!

In order to play Mewtwo’s extra side mission, you will need to have completed the main story of the Pokémon Legends: Z-A or Pokémon Legends: Z-A – Nintendo Switch 2 Edition game.

If you have Mewtwo hold a Mewtwonite X stone, it will be able to Mega Evolve into Mega Mewtwo X. If you have it hold a Mewtwonite Y stone, it will be able to Mega Evolve into Mega Mewtwo Y.

Schedule

Starting on Tuesday, December 2, 2025

How to Play Mewtwo’s Extra Side Mission

1. Claim Your Mewtwonite X and Mewtwonite Y Stones

To receive your Mewtwonite X and Mewtwonite Y stones, along with access to Mewtwo’s extra side mission, open the main menu and select Link Play, then Mystery Gift, then Get via Internet.

2. Go to Lysandre Café

Once you’ve claimed your Mewtwonite X and Mewtwonite Y stones, try visiting Lysandre Café. It seems that if you proceed to the deepest part of Lysandre Labs, some systems will reactivate in response to the Mega Stones.

Notes and Terms

• You can play Mewtwo’s extra side mission in both Pokémon Legends: Z-A and Pokémon Legends: Z-A – Nintendo Switch 2 Edition.
• You need to connect your Nintendo Switch or Nintendo Switch 2 system to the internet to claim this gift.
• To connect to the internet, your user profile must be linked to a Nintendo Account.
• It takes approximately one hour of play time before you are able to access the Mystery Gift feature.
• The Mewtwonite X and Mewtwonite Y stones can be received in either the physical or the digital version of the game.