Deoxys cannot, I repeat, CANNOT be obtained without Nintendo events or cheat devices like GameShark. If you go to a Nintendo event, you get a special item that will help you get to deoxys. To learn where and when Nintendo events are, go to Pokemon.com. If you can't figure out how to use the special item, go to psypokes.com. They have the answer to almost every Pokemon question you can think of.
Deoxys is only available for capture in the 3rd gen games, so you have to transfer it over.
no deoxys cannot be caught in the game. The only way to get it is by trading from someone who has one, getting deoxys from an event or by using a cheating device such as action replay
If Deoxys is caught using an encounter code, it won't obey due to an anti-cheating mechanic placed in the game by Nintendo. If you want a Deoxys that obeys you, you have to use a code to activate the Deoxys event and capture it from there.
you need to get the Auorora Ticket you need to get the Auorora Ticket
you have to have a ticket to birth island and solve the triangle puzzle
you have to download deoxys mission in Pokemon ranger guardian signs capture it then send it to a ds game you cannot send it to a gameboy advance game
you get sent to the moon to capture a virus which is deoxys
You must transfer it from you GBA games and then capture it in the Pal park located in Platinum.
Cheat to get the aurora ticket then go to birth island to capture deoxys.
bird island
It is impossible to catch a Deoxys in the wild in HeartGold & SoulSilver. You need to get one at a Nintendo Event or transfer one from a GBA game. Theres a Deoxys mission in the 3rd Ranger game. Capture it and it will be comfortable in any 4th gen game.
YOU CAN'T FIND IT! Deoxys is one of the rarest Pokemon to get. If you go onto GTS a lot of the trades are for Deoxys because everybody is desperate. There hasn't been an event to get Deoxys. Luckily, to get the trainer card star for completing the National Dex, you don't need to capture Deoxys and a few other annoying Pokemon. The only way to get Deoxys is to: Wait for an event. Transfer from Emerald. Get a trade.