
Originally Posted by
Eladrin
The in game GM was incorrect. Your charisma has no effect on whether or not you will be targeted first by monsters. In fact, with rare exceptions, neither does your class or race. (Rust Monsters prefer to eat tasty Warforged, for example.) A character with a high Charisma will, however, have better success with Diplomacy and Intimidate, which will alter a monster's targeting decisions.
There was a longstanding bug where the player farthest away from the monster when it activated would typically be the monster's initial target, but that's been fixed. (That bug did make it very likely that the arcane casters or healers would be the monster's initial victims.)