I had the same problem. I'm running the game through Crossover for Mac, so I thought that might have been the issue. I just solved it by never casting the spell. In IWD1, enemy casters almost never use it, and when my cleric cast it, the enemies almost never set it off anyway.

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Necrobump—I just ran into the same problem, which is unfortunate because I'd planned my yuan-ti strategy around access to it.

Hi everyone , ive got this game and almost at end now i think , well i tried to used this spell and it crashes me into desktop as well , not sure why it does it , im running windows 7 64bits , hope we can find a solution to it :)

Odd. I'm on Win7 Pro 64 bit and ran through the game 7 times in about 6 weeks. Had no issues with that spell. Using an nvidia graphics card (GTX 560Ti). Are your drivers up to date? Do you run the game as admin?

Hi i just tried to run it in Admin and it did work the first two time , but i wanted to make sure and then tried again and crashed two times more haha , im using an nvidia as well ((geforce gt 230m )) and the nvidia site says im with latest driver , ive not had any problems with the game apart from that spell , not sure what could be the problem here but atleast im glad im not the only one :P

Necrobump to see if anyone has had any luck resolving this issue. It seems downloading a patch has worked for some non-GoG users, but I don't know if that would just make things worse with a GoG installation.

I have the same issue. I need to find another drow crowd control method, heh.