Pokemen pearl how does to make eeve evolve?

Answer 1

Here is how you evolve it into different Pokemon:

Jolteon: use a Thunderstone on it.
Flareon: use a Fire Stone on it.
Vaporeon: use a Water Stone on it.
Leafeon: level up your Eevee near Moss Rock (found in Eterna Forest.)
Glaceon: level up near Ice Rock (found on Route 217, on the way to Snowpoint City.)
Espeon: level up with max Happiness in the daytime.
Umbreon: level up with max Happiness in the nighttime.