http://www.serebii.net/emerald/oneoff.shtml i would buy 40 ultraballs dont waste masterball on weak legendaries injure legendary until red health keep throwing ultraballs hopw this hels
its not an emerald its RAYQUAZA the main legendary Pokemon in Pokemon emerald.
rayquaza
The three legendary Pokemon in Pokemon emerald is Kyorge, Groundon and Rayquazer.
Groudon, Kyogre, and Rayquaza. Groudon is the fire legendary pokemon, Kyogre is the water legendary pokemon, and Rayquaza is the air legendary pokemon.
Raquaza (sorry if I mispeled that)
There are no breedable legendary Pokemon in Emerald. In Diamond/Pearl/Platinum Manaphy is breedable with a Ditto. However, the offspring will be a Phione.
legendary Pokemon cant breed
all the legendaries and how to get them here http://www.psypokes.com/emerald/legendaries.php
Rayquaza is the mascot for Pokemon emerald which will be stronger than Groudon and Kyogre
yes
No legendary Pokemon cannot be bred
no not really . . .