Players of Pokémon Scarlet and Violet can encounter Chesnaught with the Mightiest Mark in black crystal Tera Raid Battles from Friday, May 12, 2023, at 00:00 UTC to Sunday, May 14, 2023, at 23:59 UTC, then again from Friday, May 19, 2023, at 00:00 UTC to Sunday, May 21, 2023, at 23:59 UTC.

Note: This event was previously canceled due to errors. The errors have been resolved, so the event was held again. The rescheduled event took place from Thursday, June 16th, 2023 at 0:00 to Sunday June 18th, 2023 at 23:59 UTC.

Prepare to Face a Mighty Chesnaught!

Catch a Chesnaught with the Mightiest Mark! Chesnaught with the Mightiest Mark will be appearing in black crystal Tera Raid Battles from Friday, May 12, 2023, at 00:00 UTC to Sunday, May 14, 2023, at 23:59 UTC, then again from Friday, May 19, 2023, at 00:00 UTC to Sunday, May 21, 2023, at 23:59 UTC.

Chesnaught cannot normally be encountered in Paldea, and the Chesnaught appearing during this event has Rock as its Tera Type. Be prepared—this Pokémon is a formidable foe, and it’s got the Mightiest Mark to prove it! Work together with your friends to topple this powerful Tera Pokémon!

This special Chesnaught can be caught only once per save data. You can still participate in Tera Raid Battles against this Chesnaught to obtain other rewards if you’ve already caught it. This Chesnaught may be featured in future events or become obtainable through other methods.

Event Schedule

Friday, May 12, 2023, at 00:00 UTC to Sunday, May 14, 2023, at 23:59 UTC
Friday, May 19, 2023, at 00:00 UTC to Sunday, May 21, 2023, at 23:59 UTC

Featured Pokémon

7-star Tera Raid Battles: Chesnaught with the Mightiest Mark

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 participate in Tera Raid Battle events, please 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.
• After completing certain postgame events, you’ll be able to find black Tera Raid crystals. However, players who haven’t completed these events may still participate in these Tera Raid Battles by joining other Trainers in multiplayer.
• 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/65.html