Hall of Infinite Doors

"Stop throwing peperoni then!" you growl.
"Fine, fine" and you let go of him, but stay near. "Truth be told, I've got something I must do. I end up killing everyone who comes to help though"
"Everyone?" you realise you've been wandering through this hallway and it never occurred to you there may be others wandering through it too!
"Yes, everyone. Now, help me out?"