Quote Originally Posted by Beheld View Post
Although, looking at it again, you actually have to be evil to be able to even draw against a Pit Fiend. Because otherwise they just permalock you until your spell durations run out and then kill you.
I think you're thinking of the Balor. The Pit Fiend's blasphemy is only CL 18, so it doesn't lock down a 20th level character.

Unless you're talking about a 17th level Wizard, in which case yes you do need to be evil.