The Diablo 2 Wiki archive is available for anyone looking for information on Diablo 2. All information here is pre-D2R but contains a lot of useful information that is still relevant. Updated sections for new D2R features can be found on the PureDiablo Diablo 2 section
Reaper of Souls
From Diablo 2 Wiki
Reaper of Souls is the first of multiple (at least two) expansion packs planned for Diablo 3. It was released in March 2014.
