Deoxys is a legendary Pokemon and cannot breed in Pokemon Emerald. This Pokemon can only be obtained through trade and special Live Nintendo events.
you need to live in japan,but go to an event and you will get a special ticket to go to some islands
some Pokemon u can get by just findig the for example regis, groudon, rayqaza, kyogre and latios/latias. if u wanna catch mew, deoxys you have to have a special event.
it is a move that only some legendary pokemon have
emeraLD?The "Legendaries" of Pokemon Emerald are as followsGroudon,KyogreRayquazaJirachi*Deoxys*Ho-Oh*Lugia*LatiosLatiasMew**Can only be achieved by Special events, or cheating.You may also receive the JHOTO starter Pokemon (cindiquill, chickorita, tododile) by completing the 200 Pokemon pokedex.;)
its a shiny Pokemon
GAME SHARK!!!!!!!!!!!!!!!!!!
you can't get jirachi in emerald, only by Nintendo events, they give out special items that helps you get rare Pokemon.
In emerald only here's all the Pokemon you can get: Mew (event only) Latios and Latias, Groudon, Kyogre, Rayquaza, Deoxys (event only) and lugia and ho-oh (event or get one from Pokemon colosseum and Pokemon xd gale of darkness), also if you trade the legendary birds from leafgreen and firered to emerald you can have them and you can have mewtwo also celebi (event only) and jirachi (Pokemon colosseum pre ordered special disc) also the legendary dogs raikou, suicune, entei from firered and leafgreen and last but not least the regis regirock regice and registeel.
Only you can get it from the preordered special disc of Pokemon colosseum.
In essence, no. Some Legendary/Rare Pokemon are roaming Pokemon, which means they flee and roam the region when spotted. To find them you have to have a special application on your PokeDex called the Marking Map application which will show the locations of all roaming Pokemon. The roaming Pokemon are Raikou, Entei and Suicune in FireRed, LeafGreen, Gold, Silver and Crystal, Latias in Sapphire and Emerald, Latios in Ruby and Emerald, Mesprit and Cresselia in Diamond, Pearl and Platinum, and Articuno, Zapdos and Moltres in Platinum.
You'll have to have received it from a special event.