There is a script error for the "The Long Sword
'Anguirel' -> Werewindle"
In the file lib/edit/a_info.txt, the line:
USE: "a getaway every 35 turns"
under the Werewindle section should be:
DESC: return "a getaway every 35 turns"
After, rebuilding the lib/data/a_info.raw file, this
item gives the proper description and can now be
activated (the werewindle() function gets called