Players of Pokémon Scarlet can face Armarouge in Tera Raid Battles or face Ceruledge in Pokémon Violet from Friday, February 3, 2023, at 00:00 UTC to Sunday, February 5, 2023, at 23:59 UTC.

Challenge Armarouge and Ceruledge Soon!

Befriend the Fire Warrior Pokémon and the Fire Blades Pokémon! Seek out and challenge these version-exclusive Pokémon in Tera Raid Battles! From Friday, February 3, 2023, at 00:00 UTC to Sunday, February 5, 2023, at 23:59 UTC, Armarouge will appear more frequently in Tera Raid Battles in the Pokémon Scarlet game and Ceruledge will appear more frequently in Tera Raid Battles in the Pokémon Violet game. These Pokémon will have various Tera Types, so prepare wisely before challenging them!"

Event Schedule

Friday, February 3, 2023, at 00:00 UTC to Sunday, February 5, 2023, at 23:59 UTC

Featured Pokémon

Pokémon Scarlet - 4-star and 5-star Tera Raid Battles: Armarouge
Pokémon Violet - 4-star and 5-star Tera Raid Battles: Ceruledge

What Is a Tera Raid Battle?

In a Tera Raid Battle, you’ll work together with three other Trainers to defeat a powerful Tera Pokémon before time runs out. The kinds of Pokémon encountered during Tera Raid Battle events will vary. Pokémon encountered in Tera Raid Battles may have a rare Tera Type.

Information about Tera Raid Battle Events

• To encounter Pokémon featured in Tera Raid Battle events, you need to have downloaded the latest Poké Portal News. Poké Portal News will automatically download if your Nintendo Switch™ system is connected to the internet. You can also download the latest Poké Portal News by selecting Poké Portal from the X menu, then Mystery Gift, then Check Poké Portal News. You do not need a paid Nintendo Switch Online membership to receive the latest Poké Portal News.
• A paid Nintendo Switch Online membership (sold separately) is required to participate in Tera Raid Battles with other Trainers online. Terms apply.

Source: https://sv-news.pokemon.co.jp/en/page/31.html