gloom only evolves using a leaf stone
Any time you like, as long as you use a fire stone!
Most Pokemon who needs stones to evolve can't learn any more attacks by leveling up after they have evolved. Therefore you should make sure your Vulpix already have god moves before you evolve it.
Staryu can evolve into Starmie at any level, as long it is exposed to a Water Stone.
All you need to do it is evolve it with a Fire Stone. No leveling up is required, but recommended.
You will not encounter any Pokemon as long as their level is lower than the first Pokemon in your party.
It'll evolve at level 40. It may take awhile.
He will evolve into Garchomp at level 48. It takes a long time but he has very powerful movies and is really strong.
It needs max loyalty with its trainer you can evolve togepi in one level has long as its happiness with its trainer is at the max.
just give the right stone to it and it will evolve straight away e.g. eevee+firestone =flareon
It depends in how many times you use it in battle, if you use him allot and he levels up soon he will evolve.
You have to level up feebas with maximum beauty, which can be done by giving it poffins. It can evolve at any level as long as it has maximum beauty.
It doesn't evolve at a specific level in fact you can have a level 6 togetic as long as togepi's happiness is at the max level.