Obviously a water stone !
It not, you must evolve it with a water stone. A water stone may be bought in a department store or recieved from cheats via Action Replay: DSI
Poliwhirl into Poliwrath Shellder into Cloyster Staryu into Starmie Eevee into Vaporeon Lombre into Ludicolo Pampour into Simipour
a stone onix will evolve into a stone steelixs?
No stone makes deino evolve but he evolves at level 50 and then 64
it does not use a stone to evolve but you can levell it up to 36 and it will evolve
one he doesn't evolve
No stone it has to reach lvl38 or so then it will evolve
you dont need a stone
no stone it evolves at level 45
You can't use a stone on gastly to make it evolve it evolves at level 22.
Farfetche'd is not known to evolve and most likely never will evolve
the stone close to the snowpoint city