Brionne, also known as the Pop Star Pokémon, debuted in Generation 7 and is making an appearance in Pokémon GO Raids. This solelyWater-typePokémon is vulnerable to two typings:GrassandElectric. The list of resistances is a bit longer, though, with Brionne being resistant toFire,Ice,Steel, andWater-typemoves. It can be taxing trying to figure out which Pokémon are effective against a Raid Boss, so those struggling with choosing a Pokémon for battle shouldcheck out raid guideslike the one below.
Related:Pokémon GO Raid Guide: Golurk’s Best Counters and Weaknesses

Best Counters to use against Brionne in Pokémon GO
For trainers who do not have any of the Pokémon listed above, some decent alternatives are any Pokémon withGrassorElectric-typemoves. This will give players the highest chance to defeat Brionne in battle. Players should alsoavoidusingFire,Ice,Steel, andWater-typePokémon, as they will be vulnerable to Brionne’s attacks.
Interested in Pokémon Go Raid Guides and want to read more? Check outPokémon Go Raid Guide: Tapu Bulu’s Best Counters and Weaknesseson Pro Game Guides!