BioWare's official Neverwinter Nights website has been updated with the following:
So you have just purchased Shadows of Undrentide, and would like some help with Chapter 1? Then check out our new walkthrough of Hilltop (caution spoilers!) Also available in printable format.
While girls may be sugar and spice and everything nice, Pit Fiends are bloated and vile with boat loads of bile. One of 19 new creatures (3 of which were previously available online) added in Shadows of Undrentide, the Pit Fiend will also be available to all NWN owners in the upcoming 1.30 patch.