To get to maxie and groudon, first BUY AN ESCAPE ROPE, YOU WILL NEED IT,
Go to the jagged path, you should have picked up an magma emblem from the old couple on top of the mountain (im thinking Coronet but it may be incorrect, I've been playing pearl lately) start at the top or have an acro bike when you get to an open area the ground will rumble and a door will open ahead of you, go in this door, wind through the magma hideout, and reach the end where you will see maxie and groudon, battle, and defeat them , use the escape rope, and go to Sootopolis
Note: this may be for emerald because i have never played Ruby
The first time you go to Mt. Chimney, Again at Mt.Yrpe
use water type pokemons like mudkip or marshstomp if you dont have one use the best counter against his pokemon
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Mt pyre.
In Pokemon ruby, your rivals are team magma, not team aqua, so you cannot find Archie, only maxie.
The Leaders of Team Magma and Team Aqua.
In emerald find out in ruby orgin cave.
You can find Maxie's Submarine in Seafloor Cavern on Route 128. From Mossdeep City, surf, and then use dive. Go all the way down till you get to the circle. go around it, an enter the underwater cavern. There, you will find the Submarine.
If you know how to get to Archie in the water basin it is the exactly same method to get to Maxie in a sort of lavary place
U go to the magma hideout and defeat Maxie
it depends witch of the games you have in ruby theres team magma(maxie) and in Sapphire theres team aqua(Archie) and you will see sombody of them in mt chimney
after you find the underwater cavern and defeat Maxie, he is in the cave of origin in sootopolis.Get lots of ultra balls because you'll want to save your master ball for latios.
Team Magma boss Maxie in their hideout in the cave by Lilicove's shore
Pokemon ruby's version IS Pokemon ruby.
team magma boss Maxie in their hide out along the cave by lilicove's shore
Go to sootoplis city to battle Gorudon and beat the last gym leader.