Shadows of Undrentide (SoU) is the first of the official expansion packs.
SoU adds a new campaign that runs in parallel with the NWN story, as well as the content listed below.
New skills, feats and prestige classes[edit | edit source]
New spells[edit | edit source]
Apart from the prestige classes and the campaign, the rest of the content added is also available in second expansion pack Hordes of the Underdark.