you use a fire stone on eevee to evolve it into flareon thunder stone = jolton water stone = vaporeon full happenes in day you get espeon night time you get umbreon
You cannot evolve an Eevee into a Glaceon in Pokémon HeartGold, you would have to trade it to either Pokémon Diamond, Pokémon Pearl or Pokémon Platinum and evolve it into a Glaceon there and then trade it back to HeartGold.
get an eevee and evolve it into a thunderstone
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
Its evolve to Vaporeon from eevee
Evolve it from eevee
Get Eevee from bill in glenrod city or from the betting place. The train him in entana forest. He should evolve there.You can't, except by trading an Eevee to D/P/Pt, evolving it to Leafeon in Eterna forest and trading it back to HeartGold.
Evolve Eevee, or trade.
get an eevee and evolve it into a thunderstone
A water stone
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
you can find a leaf stone in viridian forest in kanto in heartgold
Eevee can not evolve into porygon.
Level it up at night whilst it has high happiness.
It depends on where you have found it and in soulsilver or heartgold........
u can't u have to level up eevee near snowpoint city in diamond/pearl/platinum and trade into soulsilver and heartgold
make sure it loves you by giving it haircuts and massages and train it at night.If you do that it should evolve
In Pokemon HeartGold and SoulSilver, an Eevee cannot evolve into a Glaceon. You can trade with other trainers from Diamond, Pearl and Platinum to get one.
Poliwhirl to Poliwrath Shellder to Cloyster Staryu to Starmie Eevee to Vaporeon Lombre to Ludicolo