how do i evolve eevee into umbreon in pokemon y?
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Level up Eevee at during the day (Espeon) or during the night (Umbreon) once you think its Friendship is at 220. Once you feel that Eevee is above 220 Friendship, level it up during the day to evolve it into Espeon, or at night to evolve it into Umbreon.
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You can only evolve Eevee into Umbreon or Espeon in Generation 2 or later games. This is because there is no time element in the original games, or in FireRed and LeafGreen.
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Eevee can't evolve into Umbreon or Espeon, actually, due to the absence of time in FireRed/LeafGreen. That means Umbreon and Espeon both have to be traded from R/S/E to be obtained in FireRed/LeafGreen.
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won't be able to evolve. You can only obtain Generation I Pokemon (and Meltan and Melmetal) in the game, and the developers went to great lengths to make those evolutions that got tacked on later unavailable. So, in short - you cannot obtain Umbreon whatsoever in Let's Go.
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['The Eevee must have 10 KMs walked and 2 Candy collected as your Buddy.', 'The Eevee must be set as your current Buddy during evolution.', 'Evolving such Eevee at night will yield Umbreon DARK.']
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How to get Eevee to evolve into Umbreon: Train Eevee and give base items such as Carbos, Iron, Protein, etc to Eevee so it's happiness will increase. Even if you have a Soothe Bell, that may work as well. If you have a rare candy, use it on Eevee at 12:00 PM. Then it will evolve into Umbreon.
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Umbreon Location in Pokemon Sword & Shield: You can find Umbreon in the following locations: Obtained by evolving Eevee at nighttime when its Happiness value is at 220 (play with it at camp, cook curry). Beware, leveling up Eevee at day will evolve it into Espeon and would cancel out Umbreon.
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Evolving It Once you think you have Eevee's friendship level high enough, the key to getting Umbreon is to level Eevee up during the night time. Doing so in the day time will evolve it in Espeon.
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['Umbreon (Japanese: ブラッキー Blacky) is a Dark-type Pokémon introduced in Generation II.', 'It evolves from Eevee when leveled up with high friendship during the night (in the main series games), or when leveled up with high friendship with a Moon Shard in the Bag (in Pokémon XD: Gale of Darkness).']
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General Advice. Eevee generally evolves into Espeon or Umbreon if it levels up when its happiness (or "friendship") value is 220 or more.
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Walk your Eevee as a Buddy for 10km, then evolve it either during the night (Umbreon) or day (Espeon) and it'll turn into the desired evolution.
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If you walk 10km with Eevee as your buddy and evolve it during the day, you get an Espeon. Do the same but evolve it at night and you get an Umbreon.
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Check the clock on the Pokewatch (on the touchscreen) and see if it is Nighttime. Or, you can head outside and see if it's dark. When Eevee has enough happiness given, Eevee will evolve to Umbreon.
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In order to get Eevee to evolve into either Espeon or Umbreon, you'll need to raise its Friendship level to at least 220.
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['Eevee Evolve Into Vaporeon, using Power Stones to have your HP higher than your Attack when you hit Level 36.', 'Eevee Evolve Into Flareon, using Power Stones to have your ATK stat higher than your HP when you hit Level 36.']
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You need to get your Eevee's IQ up to at least 4 stars using Gummis. Then you need to have the Sun Ribbon (for Espeon) or the Lunar Ribbon (for Umbreon), and you'll be able to evolve.
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How to evolve Eevee into both Umbreon and Espeon in Pokemon Sword & Shield for the Nintendo Switch! -Then increase the happiness of Eevee by winning battles, feeding, playing,etc... -Once the happiness is high enough it will evolve once it levels up.