I'm sure space will continue to increase, especially if RoS does well, and hopefully that will mean more character slots and more stash tabs. Armory question - Diablo III General Discussion. Diablo 3: Reaper of Souls - Free Extra Character Slot! 16th (if you bought the digital deluxe RoS version. For Diablo III: Ultimate Evil Edition on the PlayStation 4, it doesn't make so much sense to create more than one character for each class.