you can't he is a part of the 4th generation series
the best way to catch darkia is to use dusk balls or wait 10 or 15 turns and use a timer ball
You can't catch one in Pokemon Emerald.
Yes, You can catch Groudon in Pokemon Emerald.
No you cannot catch Entei in Pokemon Emerald.
You can't catch a Bellsprot in Pokemon Emerald. You trade it from Pokemon Leafgreen!
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
Cressilia is a 4th generation Pokemon so you can't catch it in Pokemon Emerald.
You can't catch or obtain other trainers Pokemon in emerald.
No you cannot catch Celebi in Pokemon Emerald.
you cant. You can only catch it in Pokemon emerald, but, you cant catch latias in emerald.
You can onl catch LUNATONE in SAPPHIRE but you can catch solrock in emerald
imposible there is no such thing as bonsly in Pokemon emerald