Originally Posted by timeh
yeah, apparently you do it to complete a difficulty and unlock the next (according to a tooltip), but i've always gained enough levels to progress... does it actually exist? how do you get it?
Din will hand it out on the start of the world if you have enough reputation. What happens I believe is everyone gets their level first and moves on before this happens.
Depths of Peril, Kivi's Underworld, Din's Curse, Drox Operative, Zombasite, Din's Legacy, & Drox Operative 2