Neverwinter Nights 2: Mask of the Betrayer will present players with an exciting new campaign, epic levels, dozens of new feats and spells, new races, base classes and prestige classes, new companions, new weapons, armor and crafting options, hordes of new monsters, and enhanced modding tools. This is an expansion pack for Neverwinter Nights 2 and requires the original NWN2 game to play.