-Mazzy's redemption of Korgan
That would be great. Having played with them in my party, I might say I like the idea and I can totally see that happen.
Having played with both of them in my party, I can totally see why that would suck big-time. There are two reasons why Person A might influence a fundamental change in Person B's overall behavior/personality:
1) Person A has a good deal more strength of character than Person B, and Person B wants to be better liked/tolerated by Person A.
2) Person A has a good deal more strength of character than Person B, and Person B wants to be more like Person A.
Obviously, #1 is more likely, as Korgan wants into Mazzy's steel-plated pantaloons. But are you actually suggesting that Korgan is a man of weak moral fiber, easily influenced by a single person of an alignment
diametrically opposed to his own? On the contrary, Korgan is about as confident and self-reliant as they come, and while he might not mind a romp on the right side of the blanket for a change, that's almost certainly all it would be, and he damn well knows it.
Besides, this game is notoriously stingy towards Evil parties, with the entire saga leaning so hard towards Good that it's not even funny. Sarevok? Both calculating and barbaric in his cruelty, and you can redeem him. Viconia? Unabashedly selfish and endlessly manipulative, and you can redeem her. Edwin? He's not really even Evil in the first place, he's just power-mad. That leaves only Korgan, and you want to redeem him too? Screw that. The game needs a Corrupt Aerie mod (and possibly Anomen as well) a lot more than a Redeem Korgan mod, whether that was part of BioWare's original intentions or not.