Let me tell you the only ways to an Ever Stone:
After your Togepi hatches show it to Proffesor Elm.
Have the 2nd Place in the Bug Catching Contest in the National Park
In HG show a Jigglypuff to Bill's grandfather or in SS a Lickitung
Almost everyday you will find a leaf stone at the pokeathlon (north of goldenrod city). In the Johto region. Hope I helped!
Growlithe will evolve when you use a fire stone on it.
You can't find registeel in Pokemon HeartGold.
you cant find it in pokeballs lying on the ground you can only get them in the PokeLethon grab enough points and then buy it - Regular Price - 2500 P
you can find them in diglett's cave in kanto
You can find one in the pokeathlon dome or someone calls you and gives you the stone. Hope this helped :)
You'll need to trade for it from the other Pokemon DS games.
No, you don't battle Steven in HG/SS.
You can get Fire Stones from:The Bug-Catching Contest (only during the day)Pokethlon Dome (only on certain days)Bill's Grandfather (he only gives you one, and the type of Pokemon that you have to get will vary, so you might have to show him different Pokemon before you can get a Fire Stone) (hg show him growlithe) (ss show him vulpix)
u go to pal park in Pokemon diamon pearl or platinum and then u trade to hg or ss which ever u have
You CAN'T find an Emolga on Pokémon Heartgold. It was introduced in Pokémon Black and White, which was released a whole year after HG/SS. Answer: You can't find Emolga on HG/SS.
you dont, its only in HG and SS (P.S. Its spelled Raikou)