I believe you can get the rematch with Steven in emerald by battling the Elite four again.After that you can battle Steven.
Steven lives in Mossdeep City.Talk to all the people around Mossdeep and one little boy will tell you:''Steven's house is right over there!''.
Steven doesn't give you a pickaxe, but he gives you a Beldum...
In Pokemon Emerald, Steven is no longer the Champion. He has been replaced by Wallace, former Sootopolis City Gym Leader. Wallace is replaced by Juan. Steven plays a different part in the story.
...... stewen in emerald isn't a elite champion. there is wallace.
You have to get the Devon Scope from Steven.
in the cave by the ocean!
You get it from Steven Stone in Mossdeep city.
Try to complete your Pokédex.
You get it from Steven in Mossdeep city.
No, you only battle Steven because in Pokemon emerald Wallace is the champion.
Steven only appears at Meteor Falls in Pokémon Emerald.