Pokémon Scarlet and Pokémon Violet are now available for Nintendo Switch. Read on below to learn more about one of the latest in-game events:
Prepare to Face a Mighty Typhlosion!
Catch a Typhlosion with the Mightiest Mark!
Typhlosion will appear in 7-star Tera Raid Battles at black crystals from Friday, April 14, 2023, at 00:00 UTC to Sunday, April 16, 2023, at 23:59 UTC, then again from Friday, April 21, 2023, at 00:00 UTC to Sunday, April 23, 2023, at 23:59 UTC.
Typhlosion cannot normally be encountered in Paldea, and the Typhlosion appearing during this event has Ghost as its Tera Type, making it a formidable foe.
Typhlosion has the Mightiest Mark to prove it!
Work together with friends to topple this powerful Tera Pokémon!
This special Typhlosion can be caught only once per save data. You can still participate in Tera Raid Battles against this Typhlosion to obtain other rewards if you’ve already caught it.
This Typhlosion may be featured in future events or become obtainable through other methods.
Event Schedule
Friday, April 14, 2023, at 00:00 UTC to Sunday, April 16, 2023, at 23:59 UTC
Friday, April 21, 2023, at 00:00 UTC to Sunday, April 23, 2023, at 23:59 UTC”
Featured Pokémon
7-star Tera Raid Battles: Typhlosion 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.
Check the Poké Portal for more information about what Pokémon are appearing in Tera Raid Battles.
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. Learn more at https://www.nintendo.com/switch-online.
Source: Pokémon Scarlet and Violet news
Pokémon Blog 
6 thoughts on “Typhlosion with the Mightiest Mark will appear in 7-star Tera Raid Battles at black crystals in Pokémon Scarlet and Violet from April 14 at 00:00 UTC to April 16 at 23:59 UTC, then again from April 21 at 00:00 UTC to April 23 at 23:59 UTC, full event details revealed”