As of the 1st of September, Blizzard Entertainment announced the expansion set to Diablo II. Currently unnamed, it boasts to provide a new level of gameplay that better immerses the player. The main features of the expansion include:
Two new character classes (the Assassin and the Druid) each with 30 unique skills/spells
One new act set in the Barbarian Highlands
Ability to play the new character classes through the original four acts of Diablo II
Many new monster types, including bosses and unique Interactive environments such as siege towers and fortified battlements
Thousands of new weapons, armor and magical items, including class-specific quest items
New recipes for the Horadric Cube that can be obtained via mini-quests
Increased storage space in the stash
The expansion is currently scheduled for an early 2001 release.