Default-form artwork Generation 1 · Pokédex profile
Evolution Pokémon
Pokédex entry
An Eevee has an unstable genetic makeup that suddenly mutates due to its environment. Radiation from various Stones causes this Pokémon to evolve.
Battle data
Pokédex entry
An Eevee has an unstable genetic makeup that suddenly mutates due to its environment. Radiation from various Stones causes this Pokémon to evolve.
Battle data
Conditional evolutions can require additional game-specific prerequisites beyond the displayed method.
| Method | Location | Level | Evidence |
|---|---|---|---|
| Gift candidate | Celadon City Condominiums Roof Room | Lv. 25 | Source-indexed, not individually verified |
| Grass (rare) | Route 115 | Lv. 23 | Source-indexed, not individually verified |
| Grass (rare) | Route 16 | Lv. 20 | Source-indexed, not individually verified |
| Grass (rare) | Route 38 | Lv. 20 | Source-indexed, not individually verified |
Rare grass and Surfing encounters inherit the first native slot's level range. Supplemental fishing follows each rod's native slots. These ranges exclude Lure effects and randomizer replacements; eligibility restrictions still apply.
Data source: configured Grand Anthology Gen 1–9 species, forms and abilities. The website uses frame-cropped copies of the game's existing Pokémon sprites, which remain franchise/artist-owned assets. Some alternate forms use labeled default-form artwork when their individual sprite is unavailable. See acknowledgments for credits.