Deicide, aka killing a god. To kill the gods, or even God (or a Crystal Dragon Jesus Expy) Himself, is a daunting task. You're often dealing with an Immortal, Nigh Invulnerable, Physical God that can probably snuff the light out of you in an instant. If the Gods Need Prayer Badly, this could be accomplished by everybody ceasing worship at once and letting the god just shrivel up. Of course, once you do this, God Is Dead. See also Rage Against the Heavens. Compare Did You Just Punch Out Cthulhu?, which might be their cause of death. Examples of Kill the God include: