Make sure both your trainers are at the same pokemon centre
trade from leafgreen or firered
There was never any Pokemon events for emereald.
you have to defeat team aqua in mossdeep city
if you mean hoenn region, then that where the game emerald took place. You are playing IN the hoenn region.
You have to go to sootopolis city and battle Juan. He'll give you the rain badge.
You don't.
you cant get regigigas on Pokemon emerald its to ew of a Pokemon
from boos and from mali
in a cave at the town after sootoplis
trade from leafgreen or firered
this is impossible!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
There was never any Pokemon events for emereald.
in route 111,114,120 it is common their
Cutter's House in Rustboro
It is given to you by a fisherman on Dewford.
Get it in the contest hall in slateport city.
Trade with someone that did the events. That's about the only way.