how do you evolve eevee into umbreon in soulsilver?
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Level your Eevee between 8:00 PM and 4:00 AM. After your Eevee has a high friendship level, you will want to battle with your Eevee for it to level at least once. After leveling in the night time(8:00 PM - 4:00 AM), Eevee will evolve into Umbreon.
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To get an Espeon, max out Eevee's happiness, then level it up during the morning/day. Get an Umbreon. To get an Umbreon, max out Eevee's happiness, then level it up during the evening/night. Get a Leafeon.
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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. ... Since the naming trick only works once per evolution type, this appears to be a useful way to get a second Espeon or Umbreon with some reliability.
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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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If you are playing HeartGold or SoulSilver, follow the Generation II rules for Friendship. Have Eevee hold a Soothe Bell. You'll need to raise Eevee's Friendship to 220 or above in order to evolve into Espeon or Umbreon.
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You need to level eevee up at night time with full happiness then it evolves to umbreon.
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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. -If it evolves at nightime it will evolve into Umbreon.
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To get Umbreon or Espeon, you need to raise your Buddy Pokémon's Friendship level: Make the Eevee you want to evolve your Buddy. Walk with your Eevee Buddy for at least 10 KM and until you get two at least Eevee candy. (You need to have gotten two candy for this to work.)
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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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Ruby and Sapphire Since there is no day and night, you might be puzzled by how you can evolve your Eevee in R/S/E, but even though there are no visible day and night, Eevee will evolve into Espeon from noon to midnight, and into Umbreon from midnight to noon.
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Rename Eevee as Sakura to evolve into psychic-type Espeon. Rename Eevee as Tamao to evolve into dark-type Umbreon. Rename Eevee as Rainer to evolve into water-type Vaporeon. Rename Eevee as Sparky to evolve into lightning-type Jolteon.
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With your Eevee out to battle, walk around the rock in the grass until you encounter a Pokémon to battle. Once your Eevee levels, it will evolve into a Glaceon. Trade your Glaceon back to your HeartGold/SoulSilver game.
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Umbreon and Espeon both evolve after walking with the Eevee as your buddy Pokémon for 10 kilometers. Once that's done, the buddy Eevee evolved during the night will yield Umbreon while the day will yield Espeon.
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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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A second method of evolving Eevee into Umbreon and Espeon exists, and it's surprisingly easy. Simply make Eevee your buddy Pokémon and walk 10km. You can then evolve your Eevee (as your assigned buddy) at night to unlock Umbreon, or during the day for Espeon.
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How to Evolve Eevee into Espeon. Espeon is a Psychic-type Eevee evolution, introduced in Pokemon Gold and Silver. Raise the Eevee's Friendship to three hearts, and then level it up during the day. Make sure Eevee does not know a Fairy-type move, or it will evolve into Sylveon!
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You can choose which evolution form to evolve your Eevee into by naming it Sakura (Espeon), Tamao (Umbreon), Pyro (Flareon), Rainer (Vaporeon) or Sparky (Jolteon). This is an Easter egg reference to trainers and the Eevee Brothers from the original anime series.