Yes Vulpix does need a Fire Stone so that one can evolve it into Ninetales.
Chat with our AI personalities
Well you can evolve a Vulpix with a fire stone and its possible to catch on Ruby. You need to go to the town where team magma have taken over it and you need to go to a mountain and defeat team magma. After that you can catch Vulpix in the grass there.
There is only one known way to find Vulpix in Pokemon Pearl. To make Vulpix appear you need a copy of Pokemon LeafGreen in the GBA slot of the DS. While Pokemon LeafGreen is in the GBA slot Vulpix should start to appear on Route 209.
You need to be a higher rank, like Ultra, Hyper, or Master rank.
you do not need a stone to evolve a grotle. he evolves a Lv.32
you need to give it lots of love and training to get it to evolve into lopunny