Call of the Forsaken releases tomorrow, Tuesday, October 8, 2013. That makes today the final day that players can pre-order this expansion. All players that pre-order will receive the mercenary armor Vestments of the Forsaken. Players that plan to get the Call of the Forsaken Collector’s Edition save more than a few bucks by pre-ordering before the release of this expansion.
You can get more information on Call of the Forsaken and pre-ordering here.
You can get more information about the in-game rewards player receive for purchasing Call of the Forsaken here.