[quote=Raineh Daze]
You have two lines to explain how he could talk his way out of vengeance by someone sworn to opposing evil, and how any of this is useful against an invisible sword combined with superhuman speed.Also how he's fireproof as he would doubtless kill Mokou at some point. 
[/quote]

I'm not gonna cause any problems but i am just saying the many times were he is talking his way of dying form Bane or Jason Todd,Joker is very charismatic and can talk his way out of a problem.Their has been many times were Joker has talked his way out of death form Superheroes and Villians.