yes, it does... i'll get to it in.. 15 words? ok, Southern Island, home of the 2 EON pokemon, Latias, and Latios! ok, NOW i'll tell you! here: southern island purchase + HM's: sirf, Waterfall, and fly all = Pitfall Valley!(where Latios is!) i don't want to ruin the story line for ya!!
http://i258.photobucket.com/albums/hh278/xpokemon_rocksx/lekngklrengre.png