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1[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/the-descent-movie-poster-small.jpg]]
2[[caption-width-right:300:''[[TagLine Afraid of the dark? You will be.]]'']]
3
4''The Descent'' is a 2005 British horror film written and directed by Neil Marshall, director of ''Film/DogSoldiers'' and ''Film/{{Doomsday}}''.
5
6The film follows a group of six women who embark on a caving expedition and become trapped underground after a cave-in. Things go from bad to worse when they discover that the cave is home to predatory, [[TheMorlocks pale humanoid creatures]] (known as "Crawlers"). As the Crawlers hunt them down, the women embark on a struggle to survive and escape the cave - but that's not their only problem, as the friends' trust in each other slowly begins to deteriorate in the tense, claustrophobic environment. A sequel, ''Film/TheDescentPart2'', was released in December 2009.
7
8Has nothing to do with the video game series ''VideoGame/{{Descent}}''. Nor the novel ''Literature/TheDescent'' by Jeff Long, although there are certainly similarities.
9
10[[DuelingMovies Was released almost simultaneously with two nigh-identical films]]; ''Film/TheCave'' and ''Film/TheCavern''.
11
12-----
13!!The original film provides examples of:
14
15* AbandonedHospitalAwakening: Subverted, when Sarah ''seems'' to wake up in an AbandonedHospital after the car accident. After about twenty seconds, it turns out to be a hallucination -- she's in a normal hospital.
16* AccidentalMurder: [[spoiler:Juno mortally wounds Beth after mistaking her for a Crawler.]]
17* ActionGirl: Pretty much the entire group and especially Juno, with the possible exception of [[spoiler:Holly and Beth]], who are killed before they have the chance to kick some ass.
18* AlmostDeadGuy: [[spoiler:Beth hangs on after seemingly being killed by Juno, long enough to tell Sarah what happened.]]
19* AnkleDrag: Happens to [[spoiler:Becca]] as she's taken away by a Crawler.
20* ArcWords: [[spoiler:"Love each day."]]
21* ArtisticLicenseBiology: The Crawlers are evolved cavemen. Humanoid populations require thousands of individuals to maintain a healthy population, but that's not the problem here, as the Crawlers clearly have a lot of members. The artistic license comes from the fact that they're voracious predators who take animals from above ground to feed, which include humans. The sheer volume of animals and humans disappearing would be staggeringly high in this area. There's no way that someone wouldn't have noticed a pattern of disappearances around this area, and eventually discovered them.
22* ArtisticLicenseMedicine:
23** As soon as Sarah wakes up in the hospital the first thing she does is [[PullTheIV pull the IV]] out of her hand. It could possibly be hand waved as another part of her nightmare.
24** When [[spoiler:Holly gets her throat ripped out]], Juno shines a light in her eyes giving us an extreme closeup as [[spoiler:Holly]]'s pupil quickly constricts. In RealLife, pupils dilate shortly after death as all the muscles in the body lose their natural tone.
25** [[TheMedic Sam]] decides to reinsert [[spoiler:Holly]]'s broken shin. She might be a medical student, but she's clearly not studying emergency medicine because any 1st year paramedic knows that you attempt to set the bone once before splinting in place and you ''never'' reinsert the bone protruding from an open fracture. Especially not in a muddy puddle in the middle of a cave with who knows what previously unknown deadly lifeforms crawling around.
26* AxCrazy: [[spoiler:Sarah]], eventually goes off the deep end and fights the Crawlers violently. [[spoiler: She also injures Juno and leaves her to die]].
27* BatScare: The ladies startle a flock of bats into flight as they're first entering the cave.
28* BetterToDieThanBeKilled: [[spoiler:Beth [[ICannotSelfTerminate begs Sarah to kill her]], rather than leave her to die slowly from her neck wound, or end up as food for the Crawlers.]]
29* BewareTheNiceOnes: [[spoiler:Sarah is a nice mother at the start and the meekest of the group. You wouldn't expect her to leave her friend to die]].
30* BigSisterInstinct: Becca is very caring and protective towards her sweet little sister Sam, and to a lesser extent, the rest of the less-experienced caving group. Also, it's fairly subtle, but Beth displays [[BigBrotherInstinct Big Sister Instincts]] towards anyone in the group who needs it -- she's constantly looking after the emotionally fragile (due to the death of her husband and child) Sarah, she gives her jacket to Holly after she breaks her leg and helps her stand and walk (along with [[TheMedic Sam]]) and she goes back to help Juno in the crawler fight. [[spoiler:Sadly, that last decision does ''not'' end well for her.]]
31* BizarreAlienSenses: The Crawlers' bat-like clicking sounds, made even when they're alone, imply that they use echolocation to navigate in the pitch-black caves.
32* BolivianArmyEnding: [[spoiler:Juno gets one, wounded and outnumbered, but we are given her final screams to guess her fate. In the UK ending, Sarah awakens still trapped in the caves, making her chances of survival seem unlikely.]] The sequel however reveals both of them to have survived the encounters.
33* BoyishShortHair: Holly having short, spiky hair, codes her as the ActionGirl and most tomboyish of the group.
34* BreakTheCutie: Losing her family in a car accident does this to Sarah. [[spoiler:Then the events in the cave break her some more.]]
35* CannibalLarder: Sarah falls into a blood-filled pit with gnawed human and animal bones scattered around it.
36* CantGetAwayWithNuthin: Irresponsibly take your friends to an uncharted cave system in the vain hopes you'd get to discover it? Of course you'll get trapped via cave-in, and then attacked by monsters living down there.
37* CatapultNightmare: Sarah has disturbing nightmares about being killed in the same way as her husband and daughter that cause her to wake in a panic.
38* CensoredChildDeath: Jessica's death is not shown, just Sarah seeing the pole sticking out of her seat.
39* CerebusCallBack: The group picture the group takes of themselves the morning of the caving trip shows up at the end with the credits rolling over it.
40* ChekhovsGun:
41** Juno's necklace comes off when [[spoiler:she accidentally kills Beth, and it's used to incriminate her when Sarah finds it]].
42** Sam gets a throwaway scene where she talks about a watch her boyfriend gave her. [[spoiler: The watch ends up going off when a Crawler is nearby, alerting it to her presence]].
43** Holly's video camera is brought along at first just for fun, but its night vision setting comes in useful when the girls have to see around in the dark.
44** The climbing picks. In RealLife, those are only used to climb frozen waterfalls, but they're necessary to the movie as weapons.
45** Averted, however, with the massive drill that Becca has attached to her belt (most prominently seen during the scene where she crosses the crevasse). This is pointed out in the director and cast commentary.
46* ChekhovsSkill:
47** Foreshadowed and then subverted. Extreme-sports expert Becca is able, with a great amount of difficulty, to climb across the roof of a cavern using a long rope and several [[http://en.wikipedia.org/wiki/Carabiner carabiners.]] This is set-up for later when the much less experienced Sam has to do it with about three feet of rope, one carabiner, and no gloves to protect her hands. Realistically, she can't, [[spoiler:and then a crawler comes.]]
48** Also, the impending graduation of Sam from medical school while the women are at the cabins came in handy in two major situations.
49* ChromosomeCasting: Sarah's husband is the only named male character who appears onscreen, and gets maybe one line of dialogue before being abruptly killed in the first five minutes.
50* {{Claustrophobia}}: Not present in any of the main characters, but the scene where the group is squeezing through an ''extremely'' tight tunnel - not to mention the fact that Sarah gets stuck in it - can invoke this in viewers.
51* CoversAlwaysLie:
52** One version of the cover is a fan servicey pose of all girls forming a skull while wearing tight revealing outfits, (an ode to Creator/SalvadorDali's Skull Women.) Most of the characters were wandering in the dark covered in blood and wearing full protective gear, anyone expecting hawtness to occur would be mildly disappointed.
53** One of the promotional images shows all the characters sans helmets and wearing sleeveless tops. In actuality, not everyone loses their helmets (Sam keeps hers on all the time), and Sarah and Beth are the only characters to strip down to their vest tops.
54* CreatorsCultureCarryover: A British movie, filmed in Britain, with British flora and fauna, and [[OurVampiresAreDifferent vampire]]-like cave monsters typical of European folklore. The setting: North Carolina.
55* CreepyCave: The primary setting of the film is a massive cave that just gets creepier the farther they descend into it. And it's not half as bad as the things living in it . . .
56* CruelAndUnusualDeath: Poor [[spoiler:Becca]] arguably receives the slowest, most painful death in the film - a Crawler rips open her stomach and starts devouring her innards while she is still alive. ''Ouch''.
57* CruelTwistEnding: [[spoiler:The UK Ending. Sarah merely hallucinated escaping the cave; there is no exit. All along the characters have only been descending further down, without any way out. Waking up right where she lost consciousness, Sarah goes on to imagine her dead daughter sitting in front of her with a birthday cake, as the crawlers are homing in on Sarah to eat her alive.]]
58* CynicismCatalyst: Sarah becomes depressed and withdrawn after losing her husband and daughter in a car accident. [[spoiler: The fact that she's already emotionally fragile may have contributed to her later [[AxCrazy axe-craziness]].]]
59%%* DangerTakesABackseat: Sort of. More like [[DangerTakesABackseat Danger Takes A Passenger Seat]]. [[spoiler:(Although this moment turns out to be one of Sarah's hallucinations.)]]
60* DeathByPragmatism: Justified with [[spoiler:Juno.]] She was [[spoiler:murdered]] after she accidentally [[spoiler:fatally wounded Beth]] and then ran away. Sarah found out, but she ''didn't'' know it was an accident...
61* DeathOfAChild: Sarah's young daughter Jessica dies in a car accident at the beginning of the movie. [[spoiler:The women later kill a child Crawler too.]]
62* DevelopingDoomedCharacters: Pulled off successfully. The crawlers don't arrive until halfway through the film, but most critics appreciated that because the time was spent character building and establishing the decaying trust within the group and sense of claustrophobia. Some even complained that the crawlers showed up at all to interrupt the caving drama.
63* DontSneakUpOnMeLikeThat: Beth startles Juno by sneaking up on her [[spoiler:when Juno has been fighting off Crawlers. Beth gets stabbed through the neck for it.]]
64* DoubleMeaningTitle: The girls descent down the cave, but the title also refers to their individual descents into savagery to survive.
65* DownerBeginning: The first scene of the film ends with Paul and Jessica, Sarah's husband and daughter, dying by [[CruelAndUnusualDeath getting poles shoved through their heads]] in a freak car accident, and Sarah almost loses her mind right then and there as she collapses in Beth's arms at the hospital, suicidal.
66* DownerEnding:
67** The original UK ending: [[spoiler:Everyone dies. Sarah cripples Juno and leaves her for the crawlers, then [[HopeSpot imagines escaping]]. [[CruelTwistEnding She wakes up]], hallucinates that her daughter is there, and gives up to stay with the hallucination.]]
68** The US ending: [[spoiler:After injuring Juno, Sarah really does escape, and hallucinates Juno's creepy looking ghost is there with her. She's an AxCrazy murderer, her family and friends are all dead, and there are still strong implications that she's just imagining this and is still in the cave.]] Considering they changed the ending because it was too bleak, there isn't that much of a difference.
69* DramaticIrony: [[spoiler: Juno kills Beth by accident, but Beth only tells Sarah that "Juno did this to me". As a result, Sarah doesn't know that the death was accidental even though the audience does]].
70* DramaticNecklaceRemoval: Happens after [[spoiler:Juno accidentally pickaxes Beth through the throat]] - as she collapses, [[spoiler:Beth]] rips [[spoiler:Juno]]'s necklace from her.
71* DyingMomentOfAwesome: [[spoiler:Sam gets her throat slashed by a Crawler]]. Just before she dies, however, she gets a sudden burst of adrenaline and stabs the Crawler, causing it to plummet into the crevasse below. [[spoiler:As it turns out, there was water below and the Crawler doesn't actually die at that point (Juno finishes the job), but it still counts as a seriously badass moment for Sam]].
72* DwindlingParty: The six women that descend into the cave are slowly picked off one by one from injuries, infighting, and [[spoiler:Crawler attacks]].
73* EndsWithASmile: This happens twice in the UK cut. [[spoiler:The last we see of Sarah in the cave is of her wearing a small [[TheUnsmile unsmile]] as she descends into madness and falls into a fantasy of being reunited with her daughter Jessica. When the credits roll, they also happen over the [[GroupPictureEnding picture of the whole group taken earlier]], in which they're smiling, now with much more horrifying implications since they are all almost certainly dead.]]
74* EverybodyDiesEnding:
75** [[spoiler:Everyone who gets a speaking part dies, two of them within the first five minutes. To be fair, there are only eight people in the whole cast. Playing humans, at least.]]
76** That is, until the sequel changed this. [[spoiler:Sarah gets it together enough to stagger out of an entrance to the cave, albeit with amnesia about the last two days.]]
77* EyeScream:
78** Between this and ''Film/TwentyEightDaysLater'', killing an enemy by pushing its eyes in with your thumbs has apparently become the British horror symbol for "I've turned [[spoiler:psychopathic and metaphorically become one of the monsters."]]...which would, in this instance, mean that [[spoiler:Sarah is '[[IncrediblyLamePun losing sight]]' of who she is.]]
79** Earlier, [[spoiler: Sarah]] takes out the female Crawler by stabbing her in the eye with an animal horn.
80* FaceRevealingTurn: One of Sarah's nightmares has her daughter being seen from behind, who suddenly turns around to reveal the face of a Crawler.
81* FanDisservice: Sarah spends a good deal of the last part of the film in her tight vest top after shedding her other layers, and covered in sweat. She also happens to be covered in blood from head to foot.
82* FinalGirl: Until the sequel changed the canon, Sarah [[spoiler:made herself into the FinalGirl. And then died, as a consequence of not having Juno around to help her, snap her out of her crazy hallucinating reverie, or rage-fuel her badassery and survival instincts. Oops.]]
83* {{Fingore}}: It's hard to make out, but, when [[spoiler:Becca]] is being dragged to her death, her fingernails scrape across the ground, ripping off at least one of them in the process.
84* FiveManBand:
85** TheLeader: Juno.
86** TheLancer: Beth.
87** TheBigGuy: Becca. It's not visible upon looking at her, but like Juno, she's a caving instructor, and is shown to be the strongest, as she manages to string the rope when nobody else can.
88** TheSmartGuy: Sam, who's also TheMedic.
89** TheLoad: The one-time badass, now understandably fragile and unstable Sarah who's barely able to move without Beth's help. However, [[spoiler:the movie depicts her replacing Beth as TheLancer upon Beth's death and ultimately getting revenge on and killing Juno.]]
90** SixthRanger: Newbie Holly, though [[spoiler:she dies first, and pretty quickly at that.]]
91* FiveTokenBand: Not so much with race, as Juno is the only non-white woman in the cast, but definitely with nationality. We have Scottish (Sarah), English (Beth), Irish (Holly) and Dutch (Becca and Sam). Juno is also [[TwoferTokenMinority American]].
92* {{Foreshadowing}}:
93** Before they enter the cave, Becca reels off a list of things commonly experienced by cavers, such as hallucinations and claustrophobia, among others. Most, if not all of these things happen down there.
94** It's shown that Sarah is taking some form of (prescribed) psychiatric medication in a blink-and-you-miss-it scene at the cabin... none of which she takes with her due to Juno's lie about the difficulty of the cave system, thinking that it'd be a day trip.
95** [[spoiler:Juno and Paul's affair]] is heavily foreshadowed several times before it's revealed:
96*** The opening has Paul [[spoiler:helping Juno with her helmet and sharing a few tender looks with her.]] His distraction in the car can also be put down to his troubled thoughts on the matter.
97*** Juno has a necklace that she plays with at one point and later kisses for luck before crossing the crevasse. [[spoiler:It turns out Paul gave it to her as a gift.]]
98*** In the cabin, Sarah quotes Paul's personal motto. [[spoiler:This causes Juno to give her a look. Juno's aforementioned necklace has said motto engraved on it.]]
99*** "We ''all'' lost something in that crash."
100* FreakOut:
101** Happens to [[spoiler:Sarah]] ''twice'': first time is when [[spoiler: she loses her husband and daughter in a horrific car accident one year prior to the caving trip]], and the second is when she [[AxCrazy completely snaps]] after being attacked by the Crawlers, being forced to watch said Crawlers partially devour the corpse of [[spoiler:Holly]] directly in front of her, and then granting [[spoiler:Beth's]] ICannotSelfTerminate request by [[spoiler:bashing her head in with a rock]]. Then there's the small fact that she mistakenly believes that [[spoiler:Juno deliberately stabbed Beth through the throat]]. The result of all this, combined with her first FreakOut, is not pretty.
102** Following Sarah's claims ([[CassandraTruth initially dismissed as hallucinations by the rest of the group]]) that she saw "a man", Becca has a smaller-scale FreakOut when the team stumbles across [[spoiler:the Crawlers' feeding ground]], declaring "Oh, '''fuck it!'''" and hysterically screaming out for help on the off-chance that someone else may be down there to help them.
103* FreezeFrameBonus:
104** One of the first sightings of a Crawler is [[spoiler: right after the tunnel collapse, on a ledge when Sarah is sweeping the cave with her flashlight.]] It's visible for barely one second.
105** The ''very first'' sighting of a Crawler can be seen very, very briefly in the scene where [[spoiler:Juno lights up a flare for the first time and throws it into the middle of the cave]]. It is very difficult to spot without pausing and looking closely. According to [[WordOfGod Neil Marshall]], this is actually a continuity error - the Crawler is one of the film crew. When this mistake was spotted, rather than remove it digitally, [[ThrowItIn the crewmember's face was deliberately whitened to bring it out more]], thus making him look like a hiding Crawler. In the same scene, a Crawler can be seen [[spoiler: to the left-hand side of the screen when Sarah is looking around]] for a few seconds.
106* FreudWasRight: Invoked by Neil Marshall on the DVD "Beneath the Scenes", where multiple jokes are made about how similar a piece of the cave is to female genitalia. To wit - "Sometimes a cigar is just a cigar!"
107* GenreShift: The first half is about the [[PrimalFear dangers of caving]], and the second is about fighting off monsters..
108* GoMadFromTheRevelation: Three times to one character, so it isn't surprising that she borders on EmptyShell at the end of the film.
109** When Sarah finds out her family are dead.
110** When Sarah learns from Beth that [[spoiler:Juno killed her - although the audience know it was accidental]].
111** When Sarah finds the necklace and realizes that [[spoiler:Juno and Paul]] were having an affair.
112* {{Gorn}}: It's not excessive, but is definitely present in a few scenes.
113* GoryDiscretionShot:
114** [[spoiler:Happens when Paul and Jessica are killed. We see a pole emerge from the back of Paul's headrest complete with blood splatter, and Jessica's death isn't shown at all - the only indication of her death is her blood seeping out from under the car.]]
115** Later, when [[spoiler:Sarah puts Beth out of her misery by smashing her head with a rock]], the camera angle and the darkness prevent the viewer from getting a clear look at the event. Seeing the full result would have probably killed one of the saddest moments in the film.
116** The death of the child Crawler.
117* GroinAttack: Towards the end, Juno repeatedly knees the Crawler she's grappling with in the crotch.
118* HeroicBSOD: A deleted scene has Becca go through this after [[spoiler: seeing her sister get killed by a crawler]], desperately shrieking out that every step further down these caves is another step closer to hell.
119* HilariousOuttakes: [[https://www.youtube.com/watch?v=fStHrCdfIdw Includes some pretty good ones]], including a Crawler actor having the time of his life dancing.
120* HollywoodEvolution: Less egregious than most cases. The Crawlers are cavemen who never left the caves and have since adapted to cave life. The evolutionary product is accurate, as the Crawlers are blind and losing their eyes, they have little pigmentation, and use echolocation. The problem is that this degree of evolution takes millions of years, not thousands.
121* {{Homage}}:
122** The whole movie has ''many'' homages to ''Film/{{Deliverance}}'' peppered throughout the film, from scene shout--outs such as the rafting scene and Juno's red suit, to the premise of a same-gender group being trapped in an increasingly horrible situation in the rural Deep South of North America. Sarah's hand [[spoiler: reaching up out of the ground when she (maybe) escapes from the cave]] also looks an awful lot like the final shot of ''Deliverance''.
123** The scene where the team climbs the rockface into the feeding chamber is an almost shot for shot replication of the scene in ''Film/{{Alien}}'' where Lambert and Kane climb up to meet the Space Jockey.
124** The shot of Sarah rising out of the pool of blood is a replication of the ending of ''Film/ApocalypseNow'', where Creator/MartinSheen rises out of the water.
125* HopeSpot: [[spoiler:Holly sees a light source and runs to it, believing it to be an exit... only to slip down a hole and break her leg.]]
126* HotTeacher: Beth, the English teacher, who also manages to use her knowledge to recognize cave paintings.
127* AHouseDivided: The whole group is understandably somewhat mad at Juno for lying to them and bringing them down to an unexplored cave that was ''much'' more dangerous than they were expecting, which means that it's very unlikely anyone will be along to rescue them. However, it's water under the bridge once they meet the crawlers. That is, until Sarah [[spoiler:finds out what Juno did to Beth, and she doesn't know it was an accident, plus a recent discovery of Juno's extracurricular activities with her husband, and she's also feeling a bit AxCrazy... The result is not pretty.]]
128* HowlOfSorrow: [[spoiler:Sarah]], after she has well and truly lost it, lets out an anguished scream.
129* ICannotSelfTerminate: [[spoiler:Beth, after being accidentally stabbed through the throat by Juno (thus paralyzing her by damaging her spinal cord), begs Sarah to kill her, lest she die slowly and painfully or be ripped apart by the Crawlers.]]
130* IdiotBall: Subverted. Almost every named character makes at least one mistake leading to their own death or someone else's. Usually, it's only one mistake, and it's pretty believable given circumstances. The only named character who doesn't do this is [[spoiler: Jessica, Sarah's daughter]].
131* ImAHumanitarian: [[spoiler:The Crawlers could technically be considered cannibals, as they are, according to [[WordOfGod Neil Marshall]], evolved cavemen]]. There are several hints of this throughout the film.
132* ImpaledWithExtremePrejudice: [[spoiler:Both Paul and Jessica get this courtesy of some poorly-tied-down metal poles at the beginning of the movie. Later, Sarah has a nightmare in which a metal pole suddenly flies through the cabin window and through her head.]]
133%%* JumpScare:
134%%** Starting with the bats and going on from there.
135%%*** There's an even earlier one when Sarah has her nightmare in the cabin.
136%%* TheKillerInMe: [[spoiler:See ThroughTheEyesOfMadness below for details.]]
137%%* KillTheCutie: [[spoiler:Sam]].
138* LeftForDead: [[spoiler:Juno leaves Beth to die after mistaking her for a Crawler and stabbing her in the neck. Sarah later does the same to Juno, injuring her badly enough that she has no chance of escaping the cave and leaving her for the Crawlers.]]
139* LetsSplitUpGang: Subverted, as it's not intentional and done in a moment of panic. [[spoiler: Later averted, as everyone gets back together at some point, though not all at once.]]
140* MamaBear: The first female Crawler seen in the film appears shortly after Sarah kills the Crawler's child. Upon learning that her child is dead (after a surprisingly sad moment of the Crawler desperately and pitifully nudging the body), she immediately goes berserk.
141* ManBitesMan: It's a bit hard to make out due to the lighting, but, during the climactic fight sequence, [[spoiler:Sarah]] bites off a Crawler's ear and doesn't spit it out until she's finished fighting.
142* MatchlightDangerRevelation: Brilliantly subverted when Juno pulls out a lighter in a dark cavern, but finds nothing. [[DoubleSubverted It's only when]] [[spoiler:the night vision on Holly's camcorder is switched on]] that a Crawler is seen up close for the first time.
143* TheMedic: Sam, who is a med student. Because of this, she can help treat injuries the best she can, and also examine the crawler's biology and try to recognize how they function.
144* MercyKill: [[spoiler:Sarah reluctantly performs one on Beth at the latter's [[ICannotSelfTerminate insistence]].]]
145* MirrorCharacter: [[spoiler:Sarah's brutality and extremely savage fighting towards the end is symbolic of how she's becoming more like the Crawlers.]]
146* MisplacedWildlife: Constant. The dead deer in the beginning is an European red deer, one of the dead animals in the cave is a brown or grizzly bear, and one of the animals painted in the cave is a woolly rhinoceros (which never lived in North America).
147* TheMistress: [[spoiler: Juno]] is deeply implied to have been having an affair with Sarah's husband. When [[spoiler:Beth handed Sarah Juno's necklace]] she whispers that is was from him, as it has his personal motto engraved in it.
148* MomentOfLucidity: [[spoiler:Sarah experiences one of these after managing to escape the caverns- only to wake up back in the cave a moment later. As it turns out, the entire escape was just a delusion. For a few seconds, she seems to comprehend reality again; then she sees her daughter sitting across from her with a birthday cake. Sarah smiles back at her... and then the camera pulls back to reveal that she's alone, smiling vacantly at her torch.]]
149* MoodWhiplash: The opening. It goes from Sarah, Juno and Beth white water rafting and having a great time, to less uplifting when Sarah wondering why her husband is acting oddly, to downright horrific when the car crash happens.
150** [[spoiler: [[TearJerker Sarah is forced to perform a]] MercyKill [[TearJerker on Beth]]. A brief pause, [[JumpScare then a Crawler immediately attacks Sarah out of nowhere]].]]
151* MookHorrorShow: By the end the women have become so desperate and hateful of the Crawlers that they start ripping them apart with even more viciousness than the Crawlers themselves ever showed. You almost feel sorry for the little freaks.
152* TheMorlocks: The crawlers, subterranean predatory cousins of humanity. Morlock creator Creator/HGWells is one of Neil Marshall's favorite writers.
153* MsFanservice: Juno spends most of the film in a tight red climbing top, unzipped to reveal a hint of cleavage, and still looks hot when covered in sweat, dirt and blood. Being played by Natalie Mendoza helps.
154* NeckSnap: Juno does this to a Crawler, cementing herself as an ActionGirl.
155* NightmareSequence: Sarah has a lot of them, often involving her daughter, Jessica.
156* NothingExcitingEverHappensHere: Holly is annoyed that Juno is taking them to Borham Caverns, a cave system for tourists, as she believes it will be boring. It later turns out that [[spoiler:Juno deliberately led them to an unknown cave system instead]].
157* NothingIsScarier:
158** For some of the jump scares, it's fairly easy to tell that something bad is going happen soon. We don't know what, where or exactly when, but just ''knowing'' you're stuck in a predator's territory with no idea where they are is itself a terrifying experience.
159** For the first 2/3 of the film, pretty much ''nothing does happen'', instead relying on the atmosphere of the cave itself to create the sense of dread and claustrophobia. For this reason, many find this actually ''scarier'' than the Crawlers.
160* NotTheFirstVictim: The women believe that the cave they're in is totally unmapped and unrecorded, and that they're the only people who've ever been down there. Then Sarah finds the ancient helmet while they're investigating shortly after the cave-in that traps them inside.
161* OhCrap:
162** The facial expression isn't seen, but the tone of voice says it all: "Dead animals! ''Hundreds'' of them!"
163** Earlier, there's the looks on Sarah and Beth's faces when [[spoiler:the cave tunnel starts to collapse]].
164--> '''Beth:''' Okay, fuck the rope bag. ''Move! Move! MOVE!!''
165* PuppyDogEyes: Holly achieves this shortly before [[spoiler:she falls down a pit and breaks her leg.]]
166* RockBottom: After Sarah gets stuck in a tight passage, Beth tries to calm her down, saying that the worst thing that has happened to Sarah has already happened, and generally implies that nothing bad is going to happen again. They are wrong.
167* RuleOfSymbolism: When [[spoiler:Sarah]] unleashes her HowlOfSorrow, the action cuts back to Juno, Becca and Sam, who hear a Crawler scream. The sounds are edited so it sounds as though [[spoiler:Sarah's]] scream has suddenly changed into that of one of the Crawlers'. Later (in the original UK ending), [[spoiler:Sarah]] rises from the floor of the cave in a manner ''very'' reminiscent of the way a Crawler would move.
168* SceneryPorn:
169** The shots of the river during the prologue, the shots of the Appalachian Mountains, and the first cave chamber.
170** SceneryGorn: The Crawlers' chambers.
171* ShooOutTheClowns: The first of the group to go is [[spoiler: Holly, the crazy awesome chick.]]
172* ShoutOut:
173** "[[ImADoctorNotAPlaceholder I'm an English teacher]], not fucking Franchise/TombRaider."
174** The music in the scene where Juno and Sarah move through the caverns by flare light bears unmistakable resemblance to Music/EnnioMorricone's theme from ''Film/TheThing1982''.
175** The overhead shot of Beth and Sarah driving to the cabin is a visual reference to the film version of ''Film/TheShining''.
176 ** A possible (and less gruesome) ShoutOut to Neil Marshall's previous film, ''Film/DogSoldiers'', occurs when Sam has to push [[spoiler:Holly's]] splintered bone back into her leg - in ''Film/DogSoldiers'', Cooper has to push Wells' intestines back into him.
177** Another, very subtle, ''Film/DogSoldiers'' reference, doubling as a MythologyGag: When Sarah discovers an old helmet in the cave, a closer look reveals the name "Oswald" written on the brim. This is a reference to Eddie Oswald, the character mentioned by Wells in ''Film/DogSoldiers''. Neil Marshall has mentioned that he plans to reference Eddie Oswald in all of his films.
178** The sight of Sarah wandering around dazed and covered in blood is very reminiscent of ''Film/Carrie1976''.
179** When she taps into her badass state, Sarah gouges out the Crawler's eyes with her bare hands reminiscent of Jim killing one of the soldiers and coming to resemble the infected in ''Film/TwentyEightDaysLater''.
180** The sequence of the manic and desperate Sarah running to her car through the woods is reminiscent of Sally desperately fleeing Leatherface in ''Film/TheTexasChainsawMassacre''.
181** To ''Film/{{Brazil}}'', [[spoiler: with the UK ending revealing that Sarah didn't escape but has gone mad trapped in the caves, where she finds comfort in a final vision of her daughter akin to Sam Lowry going catatonic into his HappyPlace.]]
182* SickeningCrunch: Occurs when [[spoiler:Holly]] breaks her leg.
183* SoleSurvivor: A freak car accident claims Paul and Jessica, leaving Sarah the only survivor of her family.
184* SubhumanSurfacingShot: At the end of a very long TraumaCongaLine, Sarah is plunged into a lake of blood at the centre of the Crawlers' CannibalLarder and slowly rises from the gory depths, looking much colder and much less human than she was a few minutes ago - a fact she goes on to demonstrate by stabbing one Crawler through the eye with a shard of bone and beating another to death.
185* SubterraneanSanityFailure: The team of cavers begin to crack up as the pressure of being trapped underground and menaced by subterranean monsters stacks up: Holly becomes so frenzied to escape that she sprints wildly ahead without bothering to check for pitfalls, Rebecca starts screaming for help even though there's nobody that can help them, while Juno and Sarah turn BloodKnight against the Crawlers. [[spoiler: The film ends with Sarah parting ways with reality, smiling vacantly at a hallucination of her daughter [[DownerEnding as the Crawlers close in on her]].]]
186* TeamMom: While Juno leads the group, it's Becca who reassures them and makes sure they're doing everything safely.
187* TearsOfBlood: Near the end of the film, [[spoiler:when Sarah hallucinates the presence of Juno's ghost, the latter has blood seeping from her eyes]].
188* ThroughTheEyesOfMadness: [[spoiler:Since Sarah was hallucinating without a doubt at several separate points, there is a popular theory that the cave monsters were all in her mind and [[TheKillerInMe it was her that killed all her friends]]. The director originally put a crawler silhouette into the first hallucination sequence (which took place outside the cave) but had it edited out because he wanted to leave it more ambiguous.]]
189* TooDumbToLive:
190** [[spoiler:Beth]] walks very slowly up to within arm's reach of an ice-pick wielding [[spoiler:Juno]], right as she is just finishing up slaughtering a crawler and is clearly distracted by her fear and rage, and chooses never to say or do anything to announce her presence. [[spoiler:Juno mistakes her for a crawler and puts the pick through her neck.]]
191** [[spoiler:Holly]] thinks she sees daylight up ahead and runs at top speed in search of it, despite Juno warning her to slow down. She's so careless, she doesn't notice the hole. And because she runs so fast, none of the others are there in time to stop her falling. On top of that, what she thought was daylight was just phosphorous in the rock.
192** [[spoiler:Juno takes her friends to an unknown cave system, as opposed to a cave system for tourists. With an inaccurate "flight plan" no one will know where to look for them when they all go missing, meaning rescue is effectively impossible. Even worse, this cave system is ''completely'' newly discovered and utterly unmapped, so there's absolutely no way to know what dangers are in it, where another exit is, or even '''if''' there's another exit.]]
193* TookALevelInBadass: [[spoiler:Sarah]], after the events in the cave cause her to snap.
194* UncannyValley: The crawlers were originally going to look more animalistic, but when they did the prosthetics tests, they decided it was scarier to have them closer to human.
195* UnwittingInstigatorOfDoom:
196** Beth in the opening. Sarah wants to stay back to help her and Juno pack up their gear. She says to go on and let the two of them take care of it. In the car ride home, Paul gets distracted talking to Sarah, leading to the accident and his and Jessie's deaths.
197** Juno’s willingness to explore a completely new cave system than the one the girls wanted to explore in the first place causes a series of DisasterDominoes to fall. First, the girls realize they’re stranded with no hope of rescue after Juno reveals the truth far too late, then the Crawlers come into the picture, and it only gets worse from there.
198* VasquezAlwaysDies: [[spoiler:Holly. Though as everybody dies, it's more like Vasquez Dies First.]]
199* ViewersAreGeniuses: Extremely subtle cues exist to foreshadow plot points.
200** [[spoiler: The first crawlspace is clearly limestone, notoriously treacherous for cave-ins if not reinforced by more stable minerals. Given the close proximity to a riverbed, it's not unreasonable to assume it's just a thin coating... in a level 2 cave.]]
201** The Crawlers have the auditory ShoutOut to the ''Franchise/{{Predator}}'' series. [[spoiler: They're similar to the clicks dolphins make, and are a very early tip-off that they use sonar.]]
202** Also noteworthy how no one stops to [[AsYouKnow exposit on]] how various caving techniques work, e.g. the use of a lighter to find air currents.
203* VomitIndiscretionShot: Happens towards the end when [[spoiler:Sarah unwinds the car window to vomit on the road.]]
204%%* WeHardlyKnewYe: Paul and Jessica.
205* WhatCouldPossiblyGoWrong: The RockBottom example above, and also Juno's comment about how the women needn't worry about getting lost because she (Juno) has "never been lost in (her) life".
206%%* WorstAid: See the ArtisticLicenseMedicine open fracture example above.
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