Froakie and Rowlet got Halloween costumes as part of 2024 Pokémon Go Halloween event. Both Halloween Froakie and Rowlet shine.
Additionally, these two costumed Pokémon can actually evolve, unlike many other costumed Pokémon that are doomed to remain as babies. However, if you want meta-relevant Decidueye and Greninja, you’ll need their legacy community day moves (Frenzy Plant and Hydro Cannon, respectively), so you may need to use an Elite TM on them.
What is the shiny rate for Halloween Froakie and Rowlet in Pokémon Go?
As part of the Halloween 2024 Part 2 event, all Rowlet and Froakies obtained via 7km eggs or raids will have an increased shiny rate, but we don’t know what this shiny rate is Is. However, shiny rates for finding in the wild (only when spawning as usual) should be the same as the standard shiny rate. That means if you’re looking for these shiny guys during Spotlight Hour, they’ll still have the base shine rate (one in 500).
What can I do to attract more shiny Pokémon?
Unfortunately not much. It seems to be a coincidence. Catch rates for Shiny Pokémon are set by developer Niantic and are typically only increased during special events such as Community Days or Safari Zones, or during Legendary Raids. There are no consumable items that increase the rate of Shiny Pokémon.