Thunder Stone

A peculiar stone that makes certain species of POKéMON evolve. It has a thunderbolt pattern.

FireRed

Celadon CityDept. Store₽2,100

Mart

Route 10Power Plant

Ground

Route 10Power Plant

Hidden

LeafGreen

Celadon CityDept. Store₽2,100

Mart

Route 10Power Plant

Ground

Route 10Power Plant

Hidden

Ruby

Lilycove CityDept. Store₽2,100

Mart

Route 110New MauvilleInside

Ground

Route 124Treasure Hunter’s HouseYellow Shard

Mart

Sapphire

Lilycove CityDept. Store₽2,100

Mart

Route 110New MauvilleInside

Ground

Route 124Treasure Hunter’s HouseYellow Shard

Mart