You use a water stone on your Eevee.
water stone = lake near crash
Eevee evolves into Vaporeon (the water version) with a water stone.
stones like water stone thunder stone fire stone i dont know the rest
You get one in the solaceon ruins in one of the rooms with a rock in and you can also get them underground.
underground
at the pokeatlon dome by prices
it changes girintina into origin form outside of the distorsion/torn world
an eevee, if given a water stone, will evolve into a vaporeon. sorry, but im not sure where you can find an eevee..
To get the Pokemon Poliwrath in Pokemon Diamond version you have to evolve a Polywhirl. To do this, you need to expose it to a water stone.
you can get it in the solaceon ruins east of solaceon or dig one up from the underground
Get a eevee and take a water stone and evole it
You can get a Fire stone,a Water stone and a Thunder stone in one of the rocks.You can also find those in Diamond and Pearl.
As of Pokemon Diamond/Pearl/Platinum, the Pokemon that evolve via Water Stone are: * Poliwhirl (evolves into Poliwrath) * Shellder (evolves into Cloyster) * Staryu (evolves into Starmie) * Eevee (evolves into Vaporeon) and * Lombre (evolves into Ludicolo)
You can't find vaporeon but you can get an eevee in Hearthome City and evolve it with a water stone
Only the following Pokemon require a water stone to be used on them for them to evolve. Poliwhirl to Poliwrath Shellder to Cloyster Staryu to Starmie Eevee to Vaporeon Lombre to Ludicolo Panpour to Simipour
Train them to a certain lvl and they'll evolve. A few needs a link trade for evolving and some can evolve by using a stone (like fire stone, water stone etc.)