Pikachu is a popular Pokmon that can evolve into two different Pokmon, Raichu and Alolan Raichu. To evolve Pikachu into Raichu, you need to use a Thunder Stone on it. To evolve Pikachu into Alolan Raichu, you need to use a Thunder Stone on it while it is in the Alola region.
There are a few benefits to evolving Pikachu. Raichu has higher stats than Pikachu, making it a more powerful Pokmon in battle. Additionally, Raichu can learn a wider variety of moves than Pikachu, giving it more options in battle. Alolan Raichu has different stats and moves than Raichu, making it a unique and powerful Pokmon in its own right.
