Evolves certain kinds of Pokémon.
Works on Poliwhirl... Shellder, Staryu, Eevee... just to name a few! Bill's grandfather gives you one too.
Check what moves your Pokémon still learns before using it - stone evolutions are instant and some of those stop learning stuff after evolving.
| Shop Location |
|---|
| Celadon Dept Store 4F |
| Location | Method |
|---|---|
| Celadon University Pool | item |
| Goldenrod Bills House | gift |
| Route 42 | gift |
| Seafoam Islands B2F | item |
| Route 32 Coast | Hidden GrottoRenewable |
| Stormy Beach | Hidden GrottoRenewable |
| Lake Of Rage | Hidden GrottoRenewable |