Batman is a lot of things: superhero, anti-hero, detective, scientist, billionaire.
One thing he isnt, according to voice actorKevin Conroy, is a killer.
He doesnt cross that line.

Credit: Warner Bros. Animation; Clay Enos
Batman is not a killer.
This was not the case with Ben Afflecks iteration.
Its a brilliant idea.
But the fact that Batman never kills anyone I loved that fact.
I liked Michael Keaton and I like what Ben Affleck is doing with it now.
But they couldnt be more different.
Read more of Conroys tips for playing the character onIGN.