Psycho Killer
you get to the last one and even easier than the last time you kill the devil and your last friend turns into a devil. You get ou some red gun you point it at your friend and shoot it your other bomb squad teammates stare at you in wonder. The friend you shot starts to have something that loos like a seizure. You shoot your other friends and they turn the same blood curdling monster you saw before. But now you aren't afraid you look down at your self and see the blood curdling red you saw in them you find a mirror and look in it. You realize that you were the monster the whole time.