Tapu Fini is a powerful Tier 5 legendary raid boss in Pokémon GO, serving as the guardian deity of Poni Island in the Alola region. This Water and Fairy-type Pokémon has specific weaknesses that trainers can exploit in order to defeat it in raid battles. Tapu Fini is weak to Electric, Grass, and Poison-types, making it susceptible to certain moves that can deal extra damage.

In terms of battling Tapu Fini, trainers should aim to assemble a team of 3 high-level, well-equipped trainers to take it down. However, a group of 4 to 6 decently prepared trainers should also have no issue defeating Tapu Fini in a raid battle. It is important to select the best counters for Tapu Fini in order to maximize your chances of success.

The best Tapu Fini counters include Pokémon like Sceptile (Mega), Kartana, Gengar (Mega), Raikou (Shadow), Xurkitree, Electivire (Shadow), Venusaur (Mega), Magnezone (Shadow), Rayquaza (Mega), Manectric (Mega), Zapdos (Shadow), Beedrill (Mega), Zekrom, Luxray (Shadow), and many more. These Pokémon have moves that are super effective against Tapu Fini, allowing trainers to deal the most damage in battle.

Tapu Fini also has a specific movepool that includes Fast moves like Water Gun and Hidden Power, as well as Charge moves like Ice Beam, Moonblast, Hydro Pump, Surf, and Nature's Madness. Knowing the moves at Tapu Fini's disposal can help trainers strategize their battle plan and choose the most effective counters.

In addition, shiny Tapu Fini is also available in the game, featuring a different color palette from the regular version. Shiny Tapu Fini can add an extra element of excitement to raid battles for trainers looking to add unique Pokémon to their collection.

Overall, Tapu Fini is a challenging raid boss with specific weaknesses that trainers can exploit with the right counters and strategy. By utilizing the best Pokémon and movesets, trainers can increase their chances of success in defeating Tapu Fini and adding this legendary Pokémon to their roster. Happy hunting, trainers!