[Mourn Yauntyyr]

The answer to your problem is to have a cleric (or three, like I have [img]smile.gif[/img] They can cast stone to flesh, as well as chaotic commands, which will protect you against any enchantment spells (Charm, sleep, domination, hold person, confusion, chaos, etc etc). Use an invisible scout to find out where enemy mages are hiding out and cast chaotic commands on every member of your party before combat with them.