If you mean evoulution hes only got one and its arcanine you can evolve growlithe with a fire stone =]
First of all, it is evolve, not involve. To evolve Growlithe you must give it a firestone
You need a fire stone to evolve growlithe.:)
You will need to use a Fire Stone on Growlithe in order for it to evolve, it will evolve into Arcanine.
I think it is only growlithe and arcinine.
Growlithe
Yes
arcanine
You aren't able to evolve Growlithe by level, but you would have to use a fire stone to evolve it.
Only when you use a fire stone on growlithe it will evolve.
you evolve it with a fire stone
Growlithe evolves into Arcanine using a Fire Stone.
You evolve growlithe using a fire stone