HELP!!!!!!! HOW DO I EVOLVE MY EEVEE INTO UMBREON!

It evolves from Eevee via Happiness during the night or when around a Moon Shard.

u gotta give it a shell bell and train it at night. Pamper it and make sure that its always happy, also, try not to let it faint that much okaii xx Hope it helps u, well dats how mine evolved. He's called Shadow! :D

Make it really friendly, and then level it up at night.

Happiness during night