Eevee doesn't evolve into Umbreon with a stone. Eevee evolves into Umbreon when it is levelled up with high happiness during the night.
Train your Eevee at night and with happiness. It will eventually evolve into Umbreon.
You can get an umbreon by getting an eevee from bill in goldenrod city (in a house) and then you can evolve eevee into umbreon by making it happy and leveling it up at night time.
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
You will need to have your Eevee to full Happiness, then level it up at least once during the night to evolve it into Umbreon.
Eevee doesn't evolve into Umbreon with a stone. Eevee evolves into Umbreon when it is levelled up with high happiness during the night.
Train your Eevee at night and with happiness. It will eventually evolve into Umbreon.
You can get an umbreon by getting an eevee from bill in goldenrod city (in a house) and then you can evolve eevee into umbreon by making it happy and leveling it up at night time.
To make Eevee evolve into an Umbreon, you have to level it up with high happiness at night.
You will need to have your Eevee to full Happiness, then level it up at least once during the night to evolve it into Umbreon.
you have to raise eevee at night
Eevee doesn't have a set level to evolve into Umbreon. All you have to do to evolve it is max out its happiness at night. ~KKMG1
first go to your house and check if it is pm. if it is then train it and it will evolve into an umbreon but if it say am it will be a espion
in the morning, after 8:00, you evolve eevee into espeon, at night, after 8:00, it evoles into umbreon (make sure eevee likes you alot)
Eevee doesn't evolve into Umbreon via leveling up. Eevee doesnt evolve into any form that way actually. The eevee will need to gain a level at night, and your "friendship" will have to be high enough
friendship at night
You receive an umbreon from evolving eevee. You need to befriend eevee and then engage in a battle (at night on the game) and it should evolve into a umbreon.