I accidently discovered a VERY nice, and for those who might complain, legal way of destroying the lich in Ust Natha. This method will not only destroy him, but will cost you NO spells, healers, and will cost you absolutely NO hit point damage. Noice isn't it. Firstly, arm everyone except your best swordsman, with arrows, slings whatever. Give your swordsman boots of speed and any potions to help their attack ratio, then enter the house. Immediately upon entering hit pause, have your archers and slingers attack, then send in your swordsman. You'll deal out some nice damage before the option bars all disappear and you go into the teleport sequence and speak to the guy in the fancy room. The cool part is that if you send in your main character to hack him, your character CONTINUES to hit the lich while he's walking around. With enough damage and fast enough hitting the lich is dead before you get teleported. When you re-enter the house the lich is dead and the deed is done.
