In Ever Grande City, at the far east side of the map.
no
elite 4
defeat the elite 4
same as emerald go to sky pillar and get after elite 4 or before elite 4.
No you can trade anytime before beating the elite four.
beat the elite 4 and then get sapphire stone
In the elite 4 hes the champion
face the elite 4 again
The types that are recommended for the Elite 4 in Pokémon Sapphire are Fighting, Fire, Ice, Electric and Dark. The types that are recommended for the Pokémon Champion are Fire, Ghost and Dark.
Elite 4
Beat then one at the time
absolutely nothing.