Are these the current hot zones? I cant seem to find them posted anywhere.. and this is from the patch on April 12th.
The Warrens (lvl 5-25)
Netherbian Lair (lvl 15-30)
Echo Caverns(lvl 20-40)
The Scarlet Desert(lvl 30-45)
The Tower of Frozen Shadow(lvl 30-45)
The Hole(lvl 40-60)
The Grey(lvl 35-50)
Howling Stones(lvl 45-60)
The Halls of Betrayal (Chardok B) (not in level guide on alla)