History Main / DeadlyTrainingArea

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->''"Due to mandatory scheduled maintenance, the appropriate chamber for this testing sequence is currently unavailable. It has been replaced with a live-fire course designed for military androids."''
-->-- '''Glados''', ''VideoGame/{{Portal}}''

* The Dungeon in ''LightNovel/{{Is It Wrong To Try To Pick Up Girls In A Dungeon}}. Adventurers can pick up and learn skills outside, but can only really earn experience by fighting monsters and risking their lives inside.

* ''VideoGame/{{Portal}}'' has a live fire military training course that, according to [=GLaDOS=] was intended for military androids. It features a series of turrets that will kill you for purely being in their line of sight. This trope is slightly subverted by the tendency of the turrets to shut down after simply being knocked over, and the fact that you have a weapon that shoots trans-dimensional portals.

* In the ''VideoGame/{{Fallout 3}}'' DLC ''Operation: Anchorage'', the Anchorage Reclamation VR simulation has its failsafes disabled, so if the user dies in the simulation, they die for real.

-->''"Due to mandatory scheduled maintenance, the appropriate chamber for this testing sequence is currently unavailable. It has been replaced with a live-fire course designed for military androids."''
-->-- Glados, {{VideoGame/Portal}}

* The Land of Accursed Springs, or Jusenkyo, in ''Manga/RanmaOneHalf''. Over a hundred deep ponds of various sizes litter a valley shrouded in fog, separated only by very thin strips of solid ground and with long bamboo poles rising from them (and, from the looks of these, they don't ''grow'' from the springs, but were put there by ''someone''.) Martial artists travel to this valley to train by balancing atop the poles and jumping from one to another --presumably, while sparring with a partner. This is difficult enough in and of itself, but training there carries its own danger: each and every one of the ponds is cursed by whoever, or whatever, originally drowned in it. Now, falling into a spring curses the victim to physically change into the creature that drowned there, whether it was a frog, a bird, an old man, or a giant monster. So you really, really don't want to lose your balance while jumping from pole to pole… Two 'victims' got off easy, with one becoming a panda, and the other a [[GenderBender girl]].

[[folder:Comics]]

[[folder:Fan Fiction]]
* FanFic/ProjectFreelancerPhaseOneGenesis gives its SuperSoldier agents blanks and lockdown paint, but the [[Machinima/RedVsBlue sim troopers]] they face during training are issued live rounds.

-->'''Rosa Klebb''': Training is useful, but there is no substitute for experience.
-->'''Morzeny''': I agree. We use live targets as well.

* In ''Discworld/ThiefOfTime'', Lobsang goes with History Monk Lu Tze to two potentially deadly training areas, one with large wooden balls, the other with walls studded with spikes.

See also ImprovisedTraining and VirtualTrainingSimulation. One of these will almost always be used in a DangerRoomColdOpen. They are sometimes used in a TrainingMontage and/or TrainingFromHell. It is also sometimes the setting for an UnwinnableTrainingSimulation. This kind of training area can be a SimulatedUrbanCombatArea, if it is intended to look like an actual urban area.

See also ImprovisedTraining and VirtualTrainingSimulation. One of these will almost always be used in a DangerRoomColdOpen. They are sometimes used in a TrainingMontage and/or TrainingFromHell. It is also sometimes the setting for an UnwinnableTrainingSimulation. This kind of training area can be a PotemkinVillage, or a SimulatedUrbanCombatArea, if it is intended to look like an actual urban area.

See also ImprovisedTraining and VirtualTrainingSimulation. One of these will almost always be used in a DangerRoomColdOpen. They are sometimes used in a TrainingMontage and/or TrainingFromHell. It is also sometimes the setting for an UnwinnableTrainingSimulation.

* ''WesternAnimation/ThePowerpuffGirls''. The Professor designs a holographic training room in which the girls may hone their ultra-super-powers by beating up virtual enemies.

* The Avengers' training room in ''WesternAnimation/TheAvengersEarthsMightiestHeroes''.

* The [[JusticeLeagueOfAmerica Justice League of Europe]] had one of these, not unlike the Danger Room, in their embassy. On one occasion it got turned up to its maximum setting while two relatively low-powered members, the Flash and the Crimson Fox, were the only ones inside. Good times.

** However, ironically they are arguably a failure in the objective of this type of training in that they fail to properly simulate the feel of death in that it feels too much like a video game. In actual combat Federation troops are defeated by opponents armed with melee weapons when they have energy weapons, in many ways due to their inferior training in that they panic in combat.

* SuperheroSchool Whateley Academy in the WhateleyUniverse has several. Arena '77 is big enough for multi-person combat. Arena '99 is the size of a small town. And the newest thing is the holographic simulation system, which can attack you with pretty much anything the designers can code up.

* In the WheelOfTime series, Rand al'Thor decides he needs to keep up his swordsmanship, so he hires the best swordsmen he can find to duel him with practice swords (bundles of wooden lathes)...six at a time. General Bashere lampshades it: no one trains with six men at a time, because odds are good that even with practice swords, somebody's going to accidentally do you in, and without [[TheChosenOne Rand]] alive and kicking the world is screwed.

* In ''SaintSeiya'', Death Queen Island, the training ground for candidates for the Phoenix Saint Cloth, is an active volcanic site with deadly steam vents, open calderas, and endless plumes of black ash. And that's not even mentioning the training ground's taskmaster. Similarly, there are areas of Athena's Sanctuary (in Greece) that are built specifically as deathtrap-filled obstacle courses to weed out weak candidates, but it's hinted that these are a recent addition created by the current Pope.

* The Dark Forest training in ''Literature/WarriorCats'': training can very easily result in a fatal injury. It's TrainingFromHell, both figuratively and literally, since the Dark Forest is feline Hell.

* The ''{{Champions}}'' supplement ''Champions II'' had rules for Danger Rooms. If the {{PC}}s wanted to, it was possible to set the level high enough to kill the person (or people) inside. If super villains invaded the base, one suggested tactic was to lure them into your DangerRoom and turn it on full power.

** In ''Shippuden'' [[spoiler:the [[TurtleIsland hidden island]] used by Kumo to train its jinchuuriki]] ''used'' to be this as a result of its many large and aggressive fauna. [[spoiler:The jinchuuriki B]] [[{{Badass}} tracked down and beat up each of the animals until they respected him]], so they don't bother anyone he likes.