you need to get a blaziken level 60,a swampert level 60 and a skeptyle level 60,but to get swampert and skeptyle you need to trade them from sapphire,ruby or emerald upstairs in a Pokemon center and go to ever grande city and once you have done victory road you go in to the Pokemon league and heal your Pokemon and buy stuff you need and then you battle the elite four and when you have beat them you will return to your mom's house in littleroot and if the color is red it is latias if it is blue it is latios...i hope i have helped :)
Have to beat the elite four.
beat the elite four
No
In Ruby and Sapphire yes you need to beat the Elite Four first, but in Emerald you can catch Raquazza before or after you beat the Elite Four.
how to beat Pokemon emerald
when you beat the elite four
Beat Elite Four.
Beat them and the champion
yes.
Beat all the gyms until you get to the elite four CRUSH THOSE ELITE FOUR PEOPLE and you will battle steven beat him and you beat the game
beat the elite four
You can get to the battle frontier after you beat the Elite Four