We need a way to explain why and how new creatures and cultures have spawned in the new zones. Could it be Med'an or some
Dragonflight messig with the time and evolution, maybe?
@trulte
Won't the island be too small for such confrontation? Maybe the ogres flee to "Netherstorm" and chill out at the coast there Saurfang or someone else is sending support. Akama is currently in Shadowmoon Valley as the new lord of the rebuilt Temple of Karabor, so he can't go somewhere. And there are a lot more threats coming from the south. This will be a "battle against time" war that cannot be won by strenght of men or weapons. I'll add your idea anyway