Through trade it was given away at GameStop in 2008. You can also use the Aurora ticket in Emerald, Fire Red, Leaf Green.
You would need to use an Action Replay or transfer it from Pokemon Emerald, FireRed, or LeafGreen, for it is impossible to catch Deoxys in any location in Pokemon Diamond, Pearl, and Platinum.
you can't catch it because you already beaten the legendary
you can catch a lot of unknown Pokemon A-Z
you cant catch it in gold if its a boy you can catch it in blue if its a girl you can catch it in purple
You can't catch dusknoir to get one trade dusclops.
No, you can't catch Deoxys on Pokemon Diamond & Pearl unless you have cheats. You can transfer it from your GBA to Pokemon Diamond and Pearl though
No you can't catch deoxys by using cheats
You would need to use an Action Replay or transfer it from Pokemon Emerald, FireRed, or LeafGreen, for it is impossible to catch Deoxys in any location in Pokemon Diamond, Pearl, and Platinum.
Palkia, Lugia, Dialga, Deoxys, Mewtwo, and Mew
To answer your question, Birth Island doesn't exist in DPP.
you have to get more then 45 gym to catch legendary Pokemon! deoxys is a legendary Pokemon
You catch deoxys at birth island.
You can't catch Deoxys in Silver..
Deoxys cannot be caught in the wild. You will need to migrate it from the Generation III games to the Pal Park or trade for it with a friend.
You can't catch Deoxys in soul silver
You can't. The only ways you can get a DEOXYS in Diamond are you hack, use an action replay or game shark, or you migrate one from Hoenn and catch it in pal park. Good day to you.
You must catch every Pokemon 1-493 except for Mew, Lugia, Ho-oh, mewtwo, and Deoxys.