What exactly is new about the Diablo II Expansion?
Two new character classes each with 30 unique skills/spells, the ability to play the new character classes through the original four acts of Diablo II, new monster types (including Bosses, Uniques and Subordinates), interactive environments (such as Siege Towers, Town Walls and Fortified Battlements), thousands of new weapons, armor and magical items (including class-specific Quest items), new recipes for the Horadric Cube, and increased storage space in your Stash.
