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The three stone evolutions
Eevee has eight known evolutions, and the three stone-based ones are the most direct to follow. Each stone pairs with exactly one result:
| Evolution stone | Eevee evolves into | Element of the result |
|---|---|---|
| Water Stone | Vaporeon | Water |
| Thunder Stone | Jolteon | Electric |
| Fire Stone | Flareon | Fire |
The stone is used on Eevee, not on a different Pokémon, and the result is fixed. A Water Stone will not produce Jolteon or Flareon.
The other five evolutions do not use these stones
The official overview lists Espeon, Umbreon, Leafeon, Glaceon, and Sylveon under different conditions rather than as stone evolutions:
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- Espeon and Umbreon depend on friendship, with the time of day deciding which of the two you get.
- Leafeon and Glaceon are tied to specific locations in the official description.
- Sylveon requires friendship plus knowing a Fairy-type move.
Leaf Stone and Ice Stone are the usual point of confusion. In the main-series games from Generation IV onward, those two stones also evolve Eevee into Leafeon and Glaceon. The official overview describes these two results by location, so it does not present them as stone evolutions. Check the specific game you are playing before relying on either method.
Which game you are playing matters
The official feature is a broad overview of Eevee’s evolutions, not a walkthrough for each release. Evolution methods can differ between games, so name the title when you look up steps. The three stones above are the stable part of the answer; the location and friendship requirements are the parts most likely to vary by release.
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What the Pokédex says about the stones
Eevee’s official Pokédex entry explains the stones in-world rather than as a rule: “Its genetic code is irregular. It may mutate if it is exposed to radiation from element stones.” That line is lore, not a mechanic. The evolution mapping comes from the official feature.
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Sources
- The Pokémon Company International, “Celebrate Eevee Day with the 411 on Eevee and its Evolutions,” published November 21, 2024, the official evolution-method overview.
- The Pokémon Company International, “Eevee | Pokédex,” the official Eevee entry, evolution list, and element-stone lore line.
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