Also known as: かみなりのいし
A type of Evolution Stone.
Can be used to evolve:
- Pikachu into Raichu or Alolan Raichu
- Magneton into Magnezone (Generation VIII onward)
- Eevee into Jolteon
- Nosepass into Probopass (Generation VIII onward)
- Eelektrik into Eelektross
- Charjabug into Vikavolt (Generation VIII onward)
- Tadbulb into Bellibolt