Players of Pokémon Scarlet and Violet can catch Hisuian Decidueye in 7-star Tera Raid Battles from Friday, October 6th, 2023 to Sunday, October 8th, 2023, at 23:59 UTC, then again from Friday, October 13th, 2023 to Sunday, October 15th, 2023, at 23:59 UTC.

Catch a Hisuian Decidueye with the Mightiest Mark!

Hisuian Decidueye is appearing in black crystal Tera Raid Battles! You can try catching Hisuian Decidueye from Friday, October 6, 2023, at 00:00 UTC to Sunday, October 8, 2023, at 23:59 UTC, then again from Friday, October 13, 2023, at 00:00 UTC to Sunday, October 15, 2023, at 23:59 UTC.

Hisuian Decidueye cannot normally be encountered in Paldea, and the Hisuian Decidueye appearing during this event has Grass 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 Hisuian Decidueye can be caught only once per save data. You can still participate in Tera Raid Battles against this Hisuian Decidueye to obtain other rewards if you’ve already caught it. This Hisuian Decidueye may be featured in future events or become obtainable through other methods.

Event Schedule

Friday, October 6, 2023, at 00:00 UTC to Sunday, October 8, 2023, at 23:59 UTC
Friday, October 13, 2023, at 00:00 UTC to Sunday, October 15, 2023, at 23:59 UTC

Hisuian Decidueye will have the same mark, Ability, and moves regardless of when it is caught during the event.

Featured Pokémon

7-star Tera Raid Battles: Hisuian Decidueye 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.
• Tera Raid Battle events will occur only in the Paldea region.

Source: https://sv-news.pokemon.co.jp/en/page/101.html