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Magneton cannot evolve without trading to a Sinnoh based game (Pearl/Diamond/Platinum) as Magnezone is a location based evolution.
It Doesn't You have to trade it over to DPPtand go to Mt . Corenet and lv it up O justGe on ove Wi-Fi
Magenton Evolves by leveling it up in Chargestone Cave
either by a stone or by level.
You Can't
eevee
Poliwhirl, Shellder, Staryu, Eevee, and Lombre.
To evolve your Evee into Leafeon, get a leaf stone, and use it on Evee, and it will evolve into Leafeon! Have fun with Leafeon! -Garrett
You can't you must trade it from another game D/PL/P
You cannot evolve an eevee in to a glaceon. You have to trade one from Pearl, Diamond, or Platinum.
Pikachu to Raichi Eevee to Jolteon Shibibiru to Shibirudon (B&W)
It won't evolve at a certain level it will evolve when it reaches max happiness during the day which you can do by winning lots of battles with trainers or wild Pokemon without fainting
You will get an eevee egg. That you can evolve into an eevee or the other eevee evolutions.
You make it hold a fire-stone.
In Pokémon HeartGold, you can only evolve Eevee 5 ways which would be: Using a Fire Stone on an Eevee into to evolve it into a Flareon, use a Thunderstone on Eevee in order to evolve it into a Jolteon, use a Water Stone on Eevee in order to evolve it into a Vaporeon, evolve it into Umbreon via level-up at night (which is between 8PM and 4AM) when it's happy enough and evolve it into Espeon via level-up during the day time. You can also evolve Eevee into Glaceon and Leafeon however evolving Eevee into Glaceon or Leafeon is not possible in "HeartGold" or "SoulSilver," Eevee can only evolve into Glaceon via level-up when it's near the Ice Rock which can only be found in the Sinnoh region near Snowpoint City and Eevee can only evolve into Leafeon when it's near the Moss Rock which can only be found in the Sinnoh region which is in the Eterna Forest.
Eevee can not evolve into porygon.
No, Eevee does not have to evolve to breed.