With the bug still implemented, Parry is much more useless.
For example, under normal NWN circumstances, you get -3 to your parry check for every attack that you can not match. So if you are being attacked 8 times per round, and you only have 4 attacks. The 5th attack is at -3 to your parry, the 6th -6, 7th -9 and 8th at -12 to your parry checks.
The only problem with this is, that NWN forgets to reset these numbers. So in the second round of being attacked 8 times per round, you would be at -12 to your parry checks for the first 4 attacks rather than your normal modifier. Then at the 5th attck it would be -15, then -18 etc etc. I was just curious as I saw the duelist class was added here, which is an amazing class if parry works how it should.