A Gas Chamber would be any room or facility where the victim
will suffocate to death or be asphyxiated. An actual equivalent
to the Gas Chamber might be used, a room where [[DeadlyGas
noxious or poisonous gas]] is being fed through the ventilation
system. Or, it could be a room with a vacuum sucking all the air
out, or people could just be [[AlmostOutOfOxygen left in a
sealed room]] to eventually choke on their own carbon dioxide.
Serious NightmareFuel, with the extra horror of being
TruthInTelevision for several million people during
[[UsefulNotes/WorldWarTwo The Holocaust.]] A villain
contemplating using one has usually crossed the
MoralEventHorizon of villainy.    [[folder: Anime ]]  *
''Anime/SaberRiderAndTheStarSheriffs'' had an episode in which
Sabre Rider went to the Outworld and confronted the main baddie,
who proceeded to suck the oxygen out of the room, as he himself
didn't need it. * This is what happens to [[spoiler:
Hinamizawa's population under the "Disaster of Hinamizawa"
natural disaster cove