: A particular creature can't die by dehydration, starvation or similar deaths that affect living things.
- Straight: Monster X doesn't need to eat, drink or sleep.
- Exaggerated: Monster X is also immune to aging and physical harm.
- Downplayed: Though Monster X doesn't need to eat or sleep as frequently, going without those things slows him down.
- Monster X is under the effects of a prototype immortality spell.
- Monster X is a robot.
- Monster X is a zombie.
- Inverted: Mook X is killed by things that shouldn't hurt it.
- Subverted: The monster's just in a temporary 'overdrive', and soon needs to take a 20 hour nap.
- Double Subverted: The overdrive bolsters strength rather than combating fatigue; the nap is meditation, during which Monster X devours the dreams of people to power up, but the process isn't necessary unless overdrive has been engaged engaged.
- Parodied: Monster X is terrified of the idea of eating, drinking or sleeping, because it fears it will start doing those things constantly if it tries.
- Zig Zagged: ???
- Averted: Monster X is a anatomically-normal being, and has no such abilities.
- Enforced: The writer wants the monster to be especially scary, and decides that having it be able to go on forever without eating or sleeping is a good way to make it both a constant threat and very alien to human experience.
- Lampshaded: "Is there seriously no way to kill that thing without directly fighting it?"
- Invoked: ???
- Exploited: ???
- Defied: Monster X looks for a cure for it's condition so that it can enjoy food and drink again.
- Discussed: ???
- Conversed: ???
- Deconstructed: Monster X can still experience hunger, thirst and exhaustion. In practice, to avoid going insane, it must continue to eat, drink and sleep like most living things.
- Reconstructed: Monster X is given a neurological tweak to place an upper limit on the strength of it's biological urges.
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