BG1. Plot point = You're a demigod, child of murder. Embrace it of resist. Your choice. Fight others with said heritage. BG2. Plot point = You're a demigod, child of murder. Others want to steal it. Fight for your life or die. Claim your father's heritage and become a god or reject it. Fight others with said heritage. Your choice. BG3. Plot point = You're infected by a godlike mind flayer parasite that will likely turn you into a god. Others want to claim the power for themselves. You have a choice. Resist or claim your new godlike powers. Fight others with said heritage.
Except...there are several already legendary characters who have the same condition, except they are sown into the story and you are just a random unknown dude in comparison.
