Question: Why does Satan go through the trouble of hiring protective detail at the beginning of the film? Bullets have no effect on him, and even if he was hit, he could just make the claim that the shooter missed. And it's not like he's overly worried about people discovering his true identity, since he blackmails and corrupts people throughout the movie.
Question: Why exactly does the devil need to have a child to conquer the world? Why can't he do it himself? He can easily corrupt mankind and lead them to their destruction, which could allow him to take over the world.