Edwin (who happens to be my best mage) keeps on leaving my party and saying "I am glad to be rid of you fools" and walks off without another word. I was wondering if this had anything to do with my reputation that is at 20 or becouse of the fact that i have finnished the nether scroll quest and he doesn't need me any more.

He leaves because your reputation is 20.

Bah, get someone else, no mage is so good that is worth all the fuss with them. There's always another mage as they say :D

For evil NPC max reputation before they start leaving is 18.

I really hate that rule because i have Korgan and he is no doubt a great fighter, probobly one of the best, but hes cheotic evilso i have to keep myrep at 17 or hell leave, im thinkin of replacing him thouhg because he is oo high mantinance for me.. i dont like that