Excuse me for I cannot help you, but Irenicus is the main villain in BG II and you posted on the BG I forum.
And come to think of it, I, for my part, did not hear about anything like that happening in BG II either. But maybe I am wrong on this. Just try reposting this on the BG II forum.
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So long !
R³ - new, much improved signature under construction !