You should check out my site too, we usually have anything you need on Baldur's Gate 2.. You can get that patch/override file here:
http://www.tgeweb.com/ironworks/bald.../editors.shtml
--incase that 'other' link doesn't work
PS: Grand Mastery is supposed to give you an extra attack, IT Doesn't by default in BG2 They didn't even do the attacks per round to AD&D specs in BG2!
(This will correct that)
Ziroc
Ironworks Webster Dictionary
[This message has been edited by Ziroc (edited 03-14-2001).]