Terastallize together with your treasured friends! The Terastal Crescendo Online Competition is coming soon to the Pokémon Scarlet and Pokémon Violet games.

Event Schedule

Sign-Up Period

Friday, September 26, 2025, at 00:00 UTC
Monday, October 6, 2025, at 00:00 UTC to Sunday, October 12, 2025, at 23:59 UTC

Competition Period

Friday, October 10, 2025, at 00:00 UTC to Sunday, October 12, 2025, at 23:59 UTC

Due to scheduling adjustments with tournaments planned in certain regions, the start date and start time for sign-ups have been updated. We sincerely apologize for the inconvenience to those who registered during the original registration period, but we kindly ask that you re-register within the updated time frame. You do not need to use the same Battle Team as when you first registered. Additionally, sign-ups will still be accepted throughout the competition period.

Competition Details

This competition will be comprised of Double Battles using teams of only two Pokémon, one of which must be either a Koraidon or a Miraidon. The only special restricted Pokémon that can be selected for battle is Koraidon or Miraidon.

Eligible Pokemon

Competition Info

Participation Prize

• Dragon Tera Shard ×300
• Fighting Tera Shard ×300
• Electric Tera Shard ×300
• Master Ball ×1

You must finish at least one match with a win or a loss during the competition period to be eligible for rewards. After the event ends and results are announced, you may be eligible for a participation gift. If a player is unable to receive the participation gift due to ineligibility, we are unable to provide individual support.

Notes and Terms of Use

Only one user with one set of save data from either Pokémon Scarlet or Pokémon Violet may participate per Nintendo Switch™ system. If your Nintendo Account is registered to users on multiple Nintendo Switch systems—even if you play different versions of the game on the different systems—you may participate with only one system per Nintendo Account.

Any Nintendo Switch Online membership (sold separately) and Nintendo Account required for online features. Membership auto-renews after initial term at the then-current price unless canceled. Not available in all countries. Internet access required for online features. Terms apply. Learn more at nintendo.com/switch-online.

Battle data and results will be provided to Nintendo Co., Ltd., and The Pokémon Company (and its subsidiaries).

Players engaging in or exhibiting the following may receive penalties and be restricted from participating in future online events.
• Use of unauthorized methods to alter game save data, use of Pokémon that have data altered via altering code, or Pokémon created through the use of altering code
• Significantly large number of disconnects during battle, from when your opponent has been decided to when the match results have been fully sent to the server (please ensure a stable connection environment when connecting to the internet)
• Troubling behavior that could affect other participants or make others feel unpleasant
• Actions that would obstruct battles and operations, such as hacking
• Registering with incorrect information or impersonating another player
• Using multiple Nintendo Accounts to participate in the same competition
• Intentionally manipulating wins and losses by using multiple devices or sets of save data (or collaborating with others to do so)
• Other actions that operation hosts determine to be inappropriate