Question:
To permanently kill off an Prince of Elemental Evil, would one have to kill it on its own plane, like with gods?
@ChrisPerkinsDnD
— MadHatterHimself (@Madhatterhim) April 24, 2015
The DM decides. But if you play it by the book, then the answer is yes. https://t.co/i9ku0SolxG
— Christopher Perkins (@ChrisPerkinsDnD) April 24, 2015