u look in the deep water east of lilycove and you'll find a red shard or a blue yellow or green shard
green=leaf stone
blue=water stone
yellow=thunder stone
red=fire stone
Pokemon such as eevee, growlithe, and vulpix.
there is a firestone in fiery pass
you can find a firestone in national park after you get enough points you can buy one
Pokemon ruby's version IS Pokemon ruby.
Bring a Pokemon that knows strength to the Fiery Path (located between the sandstorm/desert and Lavaridge Town. Navigate the maze of boulders and at the end you will find a Pokeball that contains a Firestone.
dowsing machine maybe
Arceus is not possible to find in Pokemon Ruby. It was released in 2007 with Pokemon Diamond and Pearl
You can't in ruby.
You can find all kinds of pokemon.
In the game Pokemon ruby destiny
Piplup is not found in Ruby.. Piplup wasn't created when they made Pokemon Ruby.
You can migrate or trade a Vulpix and give it a FireStone!!!