The first 4 gyms are Rustboro City Gym leader Roxanne, Dewford Town Gym leader Brawly, Maulville City Gym leader Watson and Lavaridge Town Gym Leader.
Get four badges from other gyms.
Try to complete the Pokédex.
Beat the gym leaders and the elite four.
The best starter Pokemon in Emerald/Ruby/Sapphire is Torchic. If you level it up well, it'll sail you through the first 3 gyms with ease.
In total, you must beat four gym leaders before you can face your dad: Roxanne, Brawly, Watson and Flannery.
on the second gyms island the cave that you meet Steven, the hiker at the beginning will give it to you
you beat the first four gyms, and go back to petalburg city to beat your dad
???I dont frickin know!1--Rustboro2--Dewford3--Mauville4--Lavaridge5--Petalburg6--Fortree7--Mossdeep8--Sootopolis
Wallace, but you can also fight Steven.Wallace is the last gym leader, and is the champion of all gyms, but Steven is the reigning Pokemon Champion, and is the champion of all gyms and the Elite Four, so Steven is the true champion.
8 gyms.
well in ruby and sapphire you need to beat all gyms and then beat the elite four then it should be open but in emerald you only need to beat the 8 gyms
1. Torchic (starter)2. Taillow Here are two main Pokemon to win (or easiest)