So I just caught an Eevee. Now, I need 25 candies to evolve it. The fact is that in the GameBoy color versions, that Pokémon needed a stone to evolve instead of experience. Depending of the stone he was fed with (thunder, water or fire), he was evolving in a different Pokémon.
Is the stone feature also in Pokémon Go? If not, what decide the evolution of this Pokémon?
Bonus point : If it's possible, how can I get a stone?
Evolution stones as you know them (water, fire, etc.) don't exist in the current version of Pokémon GO. By default, when you evolve an Eevee in Pokémon GO, the evolution is chosen randomly from the first set of potential "eeveelutions" (Vaporeon, Jolteon, Flareon).
To get other Eeveelutions like Espeon/Umbreon, other requirements must be met. See @MBorg's answer for more details.
There is also a method for forcing a specific evolution by giving your Eevee a certain nickname before it evolves. See @Brant's answer for more details.
According to this post on the /r/pokemongo subreddit, you can force your Eevee to evolve a certain way by changing its nickname before evolving it to:
(These are the names of Eevee Brothers from the TV series/Manga)
You can also, as of the Generation II update, use nicknames to evolve into a certain Eeveelution, but like before, this works only once.
This now works with the Generation IV evolutions Leafeon and Glaceon. When renaming Eevee the first time, the evolve button with display the evolution it will evolve into rather than a question mark.
This technique will only work once per evolution. For example, if you have already evolved an Eevee named Rainer into a Vaporeon, evolving another Eevee named Rainer will result in a random evolution.
Evolving without the naming tricks will give you Flareon, Jolteon or Vaporeon by random chance.
Also, according to another reddit thread, by walking 10km with Eevee as a buddy you will get Espeon when evolving during the day and Umbreon when evolving during the night.
Evolving an Eevee without meeting any other requirements/prerequisites, will randomly result in either a Vaporeon, Jolteon, or Flareon with a 1/3 chance of either of them.
If you keep Eevee as your buddy for 10km, earn at least 2 candy with it whilst it's your buddy, and then evolve it whilst it's your buddy, it will evolve into either:
The 10km and 2 candy requirement is counted across all buddy uses of Eevee. You can earn the kilometers and candy, either intermittently or all at once, whilst changing buddies or keeping it the same.
As long as a total of 10km and 2 candy has been earned whilst Eevee has been a buddy, and you evolve it whilst the Eevee is currently set to your buddy. It will override the ability to evolve into Vaporeon/Jolteon/Flareon whilst it's your buddy, but not Leafeon/Glaceon if near the relevant lure.
Day vs night is determined by the game screen in the overworld/map. It's daytime when it is bright, and nighttime when it's dark:
The times when the game screen changes over varies depending on your GPS and time location.
If a Moss or Icy Rock is placed on a Pokestop (can be purchased from the shop for 200 coins, or someone else can place the Rock) and then evolve Eevee whilst in the radius of the Rock, it will evolve into Leafeon (Moss Rock) or Glaceon (Icy Rock).
The silhouette of Leafeon/Glaceon will appear if these requirements are met prior to evolution - if it doesn't, the requirements are not met and it would evolve into Vaporeon/Jolteon/Flareon (or Espeon/Umbreon if their conditions are met).
Earn at least 70 hearts with your Eevee so that it becomes a Great Buddy (also works with Ultra and Best buddy). Afterwards, whilst Eevee your buddy, you are given the option to evolve it into Sylveon. Unlike the other evolution methods, the option to evolve into Sylveon is available simultaneously alongisde Espeon/Umbreon and Leafeon/Glaceon if those conditions are met.
You can also choose a nickname to force a specific evolution, but this only works once per nickname/evolution.
In addition to the first three evolutions mentioned by @Brant, with the addition of the second generation there are two more Eevee names that will trigger a guaranteed evolution once:
According to this site, stones are available after the gen 2 update. Other than the naming tricks, there are other ways to control some evolution forms:
Walk with the Eevee for 10 kilometers and stay it as your buddy, then evolve it during: day – Espeon; night: Umbreon.
There may be other better ways to control evolutions, but haven't been found out by all trainers.
It depends on what move your Eevee knows when you capture it. Here is the move to evolution chart :
Well I've evolved two Eevees so far and I've had my friend evolve one and this is the conclusion I came to:
It depends on your team. I am Team Mystic (blue) and both times i got Vaporeon, my friend is team Valor and he got Flareon.
Is there anyone who disagrees? ^_^
