Its
genetic code is irregular. It may mutate if it is
exposed to radiation from element STONEs.
Pokemon Yellow
Its
genetic code is unstable, so it could evolve in a
variety of ways. There are only a few alive.
Pokemon Gold
It
has the ability to alter the composition of its
body to suit its surrounding environment.
Pokemon Silver
Its
irregularly configured DNA is affected by its
surroundings. It evolves if its environment
changes.
Pokemon Crystal
N/A
Pokemon Stadium
Its
genetic code is irregular. It evolves into three
kinds of Pokémon when exposed to the radiation of
elemental stones.
Pokemon Stadium 2
N/A
Evolutionary Growth
Pokemon Statistics
Eevee Evolves into
Vaporeon w/ Water Stone
Eevee Evolves into Jolteon w/ Thunder Stone
Eevee Evolves into Flareon w/ Fire Stone
Eevee Evolves into Espeon when Full Happiness is
reached During the Day
Eevee Evolves into Umbreon when Full Happiness is
reached During the Night