PokéBase - Pokémon Q&A
7 votes

4 Answers

9 votes
Best answer

Finite methods:
- Desert Resort: Hidden item south of Backpacker Tami
- Lentimas Town: On the hill north of the Pokémon Center

Infinite methods:
- Battle Subway / PWT: 3 BP per Fire Stone
- Join Avenue: Antique Shop
- Black City: Store 2
- Dust clouds: Chargestone Cave, Mistralton Cave, Clay Tunnel, Twist Mountain, Underground Ruins, Victory Road, Wellspring Cave, Seaside Cave, Giant Chasm (Randomly selected from all possible items)
- Hidden Grottoes: Routes 2, 3, 5, 6, 7, 9, 13, 18, 22, 23; Floccesy Ranch; Giant Chasm; Abundant Shrine; Lostlorn Forest; Pinwheel Forest (Randomly selected from all possible items)
- Dream Radar (spin-off game downloaded separately from BW2): regular areas after catching Thundurus

Fire Stone (Bulbapedia)

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8 votes

Yamaji Town, after you've defeated the sixth gym, you can go there. It is situated in the eastern part of the Unova region.
You can also find it with the dowsing machine in the desert.

Desert Resort (With Dowsing Machine), Yamaji Town, , Wellspring Cave (Dustcloud), Chargestone Cave (Dustcloud), Mistralton Cave (Dustcloud), Twist Mountain (Dustcloud), , Victory Road (Dustcloud), Giant Chasm (Dustcloud), Seaside Cave (Dustcloud), Rebirth Mountain (Dustcloud), Clay Road (Dustcloud), Underground Ruins (Dustcloud), Relic Path (Dustcloud), Caselia Sewers (Dustcloud), N's Castle (Dustcloud)

edited by
2 votes

If you use your dowsing machine and go to the bottom left hand corner of the desert resort you can find a Firestone by a wall about a step or two away from said wall

2 votes

there is a few ways. if I were u, look around with a dowsing machine, or in lentimas town, there is a plane and behind it is a stair set walk up and somewhere is a fire stone. or if you wanna sharpen your battle skills, battle driftveil tournement a few and you wanna use your legendarys, choose every type of battle from the green dude or if you want a challenge, choose unova leaders from red guy and doing so allows you 2 practice, use legendaries, and get battle points for a fire stone from the guy on the right who sells junk 4 battle points. also you can do rental masters. I think the maximum amount of battle points you can get from a tournement is 16 from champions.