Brionne is returning to Pokemon GO as a Four-Star Raid Boss during the upcoming Popplio Community Day on August 31. As such, many are wondering if they can take this boss on solo, without the need for other players like these battles are intended for.Since Brionne is not a fully evolved Pokemon like most other Raid Bosses, players can take it on solo with relative ease as long as they have effective counters. Here is everything to know when attempting to solo-defeat the event Brionne Raid Boss in GO.How to solo-defeat Brionne in Pokemon GOBrionne is a pure Water-type Pokemon (Image via Game Freak)Here's some information about Brionne before players challenge it in Raid Battle:Type: WaterBase Attack: 168Base Defense: 145Base Stamina: 155Fast attacks: Charm and Water GunCharged attacks: Aqua Jet, Water Pulse, and Disarming VoiceWeaknesses: Grass and ElectricSince Brionne is a pure Water-type —unlike its evolution, which is Water and Fairy— players only have to worry about bringing Electric and Grass-type Pokemon to this fight. Since it also lacks heavy burst damage through moves like Moonblast or Hydro Pump, defense is not a big priority either.Here are some great counters to make this fight as easy as possible:Mega Vensaur with Vine Whip and Frenzy PlantMega Manectric with Thunder Fang and Wild ChargeMega Ampharos with Charge Beam and Zap CannonZarude with Vine Whip and Power WhipRoserade with Razor Leaf and Grass KnotWhile these are some of the best counters available for this fight, experienced raiders should still be able to vanquish Brionne solo with more accessible counters like Jolteon, Leafeon, and Luxray. Having a Mega Evolution will also make this battle much more comfortable, as the extra strength will guarantee players complete this fight within the given time limit.Also Check:- Pokemon Go Evolution CalculatorTips for solo defeating Brionne in Pokemon GOIf it has been a while since a particular counter on one's raid party has been used, revisiting their stat screen through the collection menu can be ideal. Here, players can upgrade their Pokemon in exchange for candies and stardust. Additionally, they can use Candy XLs for creatures already close to their max level.If the battle ends up being a little harder than expected, healing items can be used on the player's raid party upon defeat. While it does cost precious seconds to revive one's team, it is possible to do so.Another helpful tip is that charged attacks fired off by any Raid Boss can be dodged by swiping left or right on the screen. Since charged attacks are telegraphed by the text on-screen during battle, players can easily dodge Brionne's charged moves if they are taking too much damage.For more information on the Popplio Community Day, check out our other articles:How to get Popplio in Pokemon GO, and can it be shiny?How to evolve Popplio into Brionne and Primarina in Pokemon GOPokemon GO Popplio Community Day preparation guideHow to get Shiny Popplio in Pokemon GOPokemon Type Calculator