After You Get It From A Wifi Download In Mystery Gift Stretching From November 27th 2010 To January 11th 2010 For The Japanese Games And July 31st 2010 To August 27th 2010 For The European And American Games. It Is A Key Item And After You Take It To The Fossil Reviver It Will Be A Holdable Item For Latios And Latias And When You Leave The Building They Will Be Waiting To The Left Towards The Gym.
Use a thunder stone
It will only evolve through the use of a leaf stone.
Gloom -> Vileplume Weepinbell -> Victreebell Exegcute -> Exeggutor
you can get it from Vance after you defeat him or you can use hm rock climb in the national park
umm easier way use a fire stone on growlithe
Go to the Pewter City Museum. Talk to Steven. Talk to the assistant. When you leave, Steven will talk to you. Battle Latios in Pewter City.
Staryu.
Use a thunder stone
use a dawn stone on a female snorunt
You don't use any specific Pokemon. You must have the enigma stone. You could have gotten the stone from a long ago event, which has since passed. With the enigma stone, you take it to Steven to be evaluated in a museum for fossil resurrection. Walk outside to battle latios.
use the enigma stone from an event and its serebii.net not .com i dont know but if you want latias give the doll to the copycat girl.When you come out Steven will talk to you about Latias.Use your poke'gear to find her. She will be roaming Kanto.
there will be a upcoming wi-fi gift, that will give you the enigma stone , which is actually a soul dew. hope this helped !:D that is only for soulsilver and heartgold! *non wifi/non legit way: get an action replay and use the all items code to get an enigma stone which like i said , is actually a soul dew .
You have to use a dusk stone on it to in order for it to evolve
You can evolve an evee which you can find in Goldenrod city.
It will only evolve through the use of a leaf stone.
If you don't have enigma stone, keep it for Latios is my advice
In Pokémon HeartGold, the Legendary Pokémon that you can catch in "HeartGold" are Articuno, Zapdos, Moltres, Mewtwo, Raikou, Entei, Suicune, Lugia, Ho-Oh, Latias, Latios, Kyogre and Rayquaza however you can only get Latios in "HeartGold" via the use of the Enigma Stone and in order to get Rayquaza, you also need to catch a Groudon that was caught in the Embedded Tower in Pokémon SoulSilver.