Fill your pockets and it was a case of warping back to the nearest town and deciding on what can stay and what you have to sell to make room for the good stuff. For instance, in the original you only had a limited amount of inventory space in which to keep your loot. The expansion pack offers not just a whole new act filled with extra side quests, loot, monsters, relics and other such wonderful things it also vastly improves on the original game by offering a plethora of updates and fixes.