Mass Outbreaks in Pokemon Legends Arceus are essentially Swarms of one type of Pokemon that can occur at any time and place on the map. These outbreaks are fantastic for catching Shiny Pokemon as the odds are much higher due to there being so many of one Pokemon. The odds for encountering a Shiny Pokemon are better than average; however, you can increase that chance by completing a Perfect Research on the Pokemon that appears. The chances can be increased further by using a Shiny Charm. Below, we will list the odds of encountering a shiny on the base chance, perfect research, and the Shiny Charm.
|Base Chance||26 in 4096|
|Pokemon Research Level 10||27 in 4096|
|Perfect Research||29 in 4096|
|Pokemon Research Level 10 with Shiny Charm||30 in 4096|
|Perfect Research with Shiny Charm||32 in 4096|
Where to find Mass Outbreaks in PLA
There is a way to trigger Mass Outbreaks easily, essentially by leaving Jubilife Village and returning to it has a chance to start a Mass Outbreak somewhere in the region. The Pokemon that appears is random, so if you wish to find a specific Pokemon, continue leaving and returning to the village. When a Mass Outbreak is triggered, you can check the map for the location- you will see an icon of the Pokemon currently swarming the area; you can mark it on your map and head towards it.
Mass Outbreaks Pokemon List PLA
The list of Pokemon found in Mass Outbreaks is relatively large, and this will be a relief for players who are hunting for that certain Shiny or those who want to gather as many Shiny Pokemon as they can. Below, we will list all the Pokemon found in Mass Outbreaks and which Pokemon appear in different parts of the Hisui region.