Players of Pokémon Scarlet and Violet can encounter Wiglett, Growlithe, and Swablu in mass outbreaks from Wednesday, April 30th, 2025 to Thursday, May 8th, 2025, at 23:59 UTC.

Prepare to Strike Gold with Mass Outbreaks of Pokémon!

A Golden Opportunity to Catch Shiny Pokémon! Get ready to go for the gold! From Wednesday, April 30, 2025, at 00:00 UTC to Thursday, May 8, 2025, at 23:59 UTC, mass outbreaks of Wiglett, Growlithe, and Swablu will be appearing throughout various locations.

Shiny Pokémon are more likely to appear in these special mass outbreaks, so have fun catching good-as-gold Pokémon across the Paldea region, the land of Kitakami, and the Terarium at Blueberry Academy!

Event Schedule

Wednesday, April 30, 2025, at 00:00 UTC to Thursday, May 8, 2025, at 23:59 UTC

Locations and Featured Pokémon

Paldea: Wiglett
Kitakami: Growlithe
Blueberry Academy: Swablu

What Is a Mass Outbreak?

Mass outbreaks are a phenomenon in which many of the same species of Pokémon appear in one location. During limited-time mass outbreak events, certain Pokémon will become more likely to appear. Check the Poké Portal for more information about what Pokémon are appearing in mass outbreak events.

Information about Mass Outbreak Events

• In order to participate in limited-time mass outbreak events, you need to have downloaded the latest update data and the latest Poké Portal News.
• You can download the latest Poké Portal News by selecting Poké Portal from the X menu, then Mystery Gift, then Check Poké Portal News.

Source: https://sv-news.pokemon.co.jp/en/page/342.html