"O, father dear, I dreamed last night a man sat on me bed And I fear, when I awoke I could not find my maidenhead".
— Fairport Convention, "Doctor of Physick"
There are beings who stalk the night, searching for a victim, a victim that could very easily be you. And when they find you, they won't eat you or tear you to shreds. Oh no, plenty of other monsters and demons have cornered the market on that. No, they will do something far more sinister. They will appear to you as a breathtakingly beautiful woman or handsome man.
And then they will have sex with you.
Not terrifying enough for you?
How about if sex was also their way of sucking out your soul/lifeforce, which will leave your body a dry husk, a literal Empty Shell?
Nowadays, these are generally referred to as incubus (always male) and succubus (always female). In actual folklore, these demons were not vampiric, had no need to feed, and were not particularly attractive, being sexual predators. The horrifying sensation of sleep paralysis, where you wake up and are unable to move, was known as incubus as late as Victorian times. (Not to be confused with the band of the same name. Or the Esperanto language horror movie.)
However, modern fiction writers don't want to use them like that, so typically, the baseline rules are:
Incubi and Succubi are almost always treated as a species or type of demons. Some stories actually make them a breed of vampires, since they function similarly (vampires feed on blood for sustenance, incubi/succubi feed on sex), but they are almost always evil. And you do not want to run in to them. No matter how hot they are and how lonely you are.
In some legends, Satan Himself changed shape to be both incubus and succubus. See, Old Scratch wants kids but can't produce human seed, so he becomes a succubus, receives some sperm from a guy, turns into an incubus, and passes it on to a woman. How this transmits satanic genes is a question not addressed as the theory was invented before Mendel's time, never mind Rosalind Franklin's.
The offspring of said demons and a human are either demonic infiltrators of humanity or basically mortals with mysterious powers. The legendary Merlin is sometimes said to be the offspring of an incubus and a nun. Incidentally, the above mythology went a long way to explaining away pregnant nuns in the Middle Ages without destroying their virtues. Better to be seen as the victims of demonic rape than participants in consensual sex, one might suppose. (Admittedly, there were periods when people took a very dim view of violating vows of celibacy, if the vower weren't powerful or well-connected.) Several cases of actual rape in politically tricky circumstances also appeared to have been dealt with this way. Even more importantly, it explained why Merlin could use magic (which was satanic contrary to God's ordernote that is, the Christian god. Merlin's magic was that of the local heathen deities, hence aligned to their order.), but still be one of the good guys.
The modern viewpoint, with its much more lenient view of sexually liberated women, tend to feature a far greater number of subversions on the classic interpretation than straight examples: most, especially in anime or Japanese games, tend to be a Chaotic Neutral/Chaotic GoodCute Monster Girl/Reluctant Monster.
Compare the literal Out with a Bang and the less direct Death by Sex. See also Vagina Dentata. For when the Main Man himself takes on a more, er, feminine role, check out Hot as Hell. If you're looking for characters with horny heads...on their shoulders, you want Horned Humanoids.
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Anime and Manga
Mayu from Goshuushou-sama Ninomiya-kun is the Cute Monster Girl type. Ironically, for a succubus, she has androphobia, which is a problem, considering her inability to control her powers, particularly when stressed. The possibility of Shungo dying from Mayu involuntarily draining his life is used to keep him from going too far with her. Her incubus brother is pretty good-natured, too. Mind control (of the opposite sex) is included in the power set.
One Piece has some fun with this when the skeletalpervert known as Brook ends up landing/crashing in the middle of a cult ceremony attempting to summon a demon to take revenge on their enemies. Hilarity Ensues...
Horny Devils are a common theme of supernatural and horror-themed hentai.
In My Balls, basically the entire cast save the protagonist and his human crush are horny devils, all trying to get him to ejaculate and release the Lord Of Destruction sealed in his left testicle.
French comic artist François Marcela-Froideval has the hots for succubi (who doesn't?). They appear in many of his comic series, including 666, Les Chroniques de la Lune Noire (Black Moon Chronicles), and the aptly-titled Succubus.
Gold Digger has the Rakshasa act this way, partially by necessity. As Shapeshifting demons that drain magic energy, they have to physically exhaust their prey to feed (the process tickles, and wiggling prey can't be drained). This can be done through combat or...well, you know...
XXXenophile Presents had two installments of the erotic story of an incubus who is thoroughly benign, happily married to a human woman, and went public as an intellectual author to present an alternative view of Hell and its occupants. As such, sex with him is completely harmless and, as such, he is continually pestered by the neighboring women in his suburb. Even though he often gives in and indulges them, his wife has no problem with it, considering he never neglects her desires either.
In a different chapter, a demoness who is tied to a particular family attempts to interfere with a pair of newlyweds (one of whom is from the family in question), hoping to prevent them from ever consummating their marriage and siring an heir...but the demoness is 1. somewhat backward (she is rather surprised by the concepts of both birth control and sex before marriage) and 2. extremely pent-up (her entire existence is based around interrupting sex, so she's got years of "dirty thoughts" built up in her head). The couple invites her to join in the wedding night, and she quite happily agrees.
Another one appears in "Demonstration of Affection", where she screws (both literally and metaphorically) with a human sorcerer stupid enough to send himself to hell in search of power, before returning him to Earth with his soul intact.
A stylized interpretation of leanan sídhe appears in both series of Matt Wagner'sMage epics as fey versions of blood-drinking vampires to which men (but not women) are defenseless.
Omario in MBQ draws a comic story where cliched manga heroes are defeated by a horny devil from space. The stock schoolgirl gets the life sucked out of her by the devil.
The following is the work of a smartass. It ignores canon, popular ships, character integrity, and decency in general. If you are uptight, humorless, boring, or have control issues, then you're probably better off not reading this.
The Gift has an interesting twist. When Shinji experiments with the Lexicon and summons Urd, one of her first acts in this realm is to turn every single Rei clone (yes, that Rei) into a succubus (they even hack SELEE's account dry to get all the money they'd need). Problem is, they can't reach their full potential until they taste lust for the first time - and they already have a target...
Rei: I have it on good authority that he is becoming more interested in female-male interaction. That he is interested in pursuing a physical relation with several women I have met.
Gendo: The boy is likely guilty and using my money to procure pornography as he works the courage up to hire his first prostitute. You are permitted to use any action necessary to get a confession. Any means necessary, do you hear me?
Rei: Then I will engage him in as many acts of fornication and lust as possible to get him to confess his wishes. He will be not know what happened until he is a mass of putty in my hand sir.
Fuyutsuki: ...wait, what? You're going to do WHAT?!
Rei: I will engage in sexual acts of many diverse manners in an effort to expunge the data from Pilot Ikari. With his limited interaction with women, I am sure it will not take long for him to become a slave to my touch. Once he is in hand, I will get the information form him as requested.
Gendo: Ayanami? (Rei summons a mental image of Gendo and Fuyutsuki getting it on, leaving the two retching and her free to leave)
In Nobody Dies, Lilith turned out to be this. She's not only the source of all life on Earth, her Anti-AT Field has a rather interesting effect on nearby humans. When Shinji and Asuka were going down to Terminal Dogma, they were barely halfway and already tearing the plugsuits off each other. And the Ree inherited this trait...
Yui: Lilith is life. Pure life. Being around Lilith makes you wish to fulfill Her desires, and what She desires is more life. Be fruitful and multiply, basically. Gendo and I found Lilith when GEHRIN traced the resonance. We were trapped in the chamber for two hours.
Misato: Shall I guess what happened nine months later?
To sum up Lilith and the Ree in their own words: "Babies. BabiesbabiesbabiesbabiesbabiesbabiesbabiesbabiesbabiesBABIES!"
ThisKingdom Hearts fanfic has Ventus turned into a Chew Toy, when Vanitas shows up about halfway through and offers to make a contract with him to buy his soul. Vanitas shows up again after a little while and restates his offer. Ven accepts. The story is rated M. Figure out what happens from there.
In Bleach's Devil's Smile, powerful demons portrayed in this story enjoyed sucking out the reiatsu from souls because, to them, there was nothing more exhilarating than feeding on a pure soul. Though no actual sex occurs, the demon pinned his helpless victim against the wall, nuzzling against his victim's neck, which the victim saw as "sensual and violating". When the process began, the victim weakly protested and soon screamed in agony, eventually passing out. When the victim woke up, the demon was still there, remarking how it was "most enjoyable to feast on you".
Mixed Company, an Axis Powers Hetalia oneshot, has Canada as a reluctant cambion (offspring of an incubus and human woman) who hasn't been "eating" for some time and struggles to not give in to eating his friend, America.
In Shadowchasers Ascension Dante meets up with two. Early in the fic, he fights an erinyes named Castalla ("erinyes" being the lawful equivalent of a succubus in this continuity). While he easily avoids her attempts to seduce him, he later nearly succumbs to her far-more tempting mother, Novalar, one of the Big Bad's Co-Dragons.
In the film Conan the Barbarian, Conan has sex with a succubus. Although it could be said she was a witch or sorceress instead. In any case, she starts changing into something not human during the act, thoroughly spooking out Conan, who throws her into the fire. She somehow escapes, with a disembodied cackling, and Conan can only mutter "Crom..."
Much of this film is a mishmash of scenes and characters from various Robert Howard stories (Thulsa Doom is an antagonist in the Kull stories, Valaria is a character from "Red Nails", but returned from the dead like Belit from "Queen of the Black Coast"). This particular bit is from "Worms of the Earth", a Bran Mak Morn story in which the woman was the offspring of a woman raped by a "worm". She forces Bran to have sex with her in exchange for information.
In the SyFy Channel original Soulkeeper, there is a brothel full of these. Explained as damned souls in prostitute bodies, they otherwise appear to embody all the stereotypical succubus traits, and even transform into large demonic forms at various points.
The film Grim Prairie Tales features a story about a man who meets a young pregnant woman on the lonely plains. They talk, get to know one another, and eventually curl up by the fire. The man is awakened in the night by the woman, no longer pregnant, achingly beautiful, and begging for sex. He goes to work, only to be sucked into her stomach through the vagina, making her pregnant once again as she begins to digest him.
The film Jennifers Body has Megan Fox playing a demon-possessed cheerleader who seduces her male classmates, then eats them.
Beetlejuice features a whorehouse full of "horny devils" when the titular ghost remarks he's feeling a bit "anxious". They appear only briefly.
The Incubus is about the eponymous being raping and killing women in a small town. The driving force of the plot is finding out why.
Rape, or at least borderline sexual assault, seems to the preferred method of infecting others utilized by the possessed in Night of the Demons. Angela, the main demoness, is very good at it.
Clive Barker's Saint Sinner had two succubus sisters as the main villains. Barker's involvement should tell you that they weren't traditionally attractive. There was also the spine-sucking to consider.
"Amateur Night" in the Found Footage horror anthology V/H/S. Three college guys pick up a cute girl and take her to a hotel room, planning to secretly video events as amateur porn. In the middle of sex she morphs into a Humanoid Abomination with fangs and a gaping maw down the middle of her face. The youth wearing the glasses-cam flees down the fire escape but trips and is caught by the demon who tries to fellate him. Needless to say he's too terrified to respond. Distraught over this perceived rejection, sh first weeps in a Corner of Woe then starts growling in rage, morphing into a One-Winged Angel that swoops him up into the air as he flees across the car park.
The One Who Waited by Erika Griffin introduces a partial-trope for this. The 'Boogeyman' character of the story lusts for/loves Alice, though primarily because he needs her to remember him and remain close to him in order to maintain his own existence
Colt Regan has Succubi and Incubi as generally nice and productive members of society.
Once by James Herbert is a British horror/fantasy story which features a man dreaming about being fellated, only to wake up to see a succubus at the end of his bed, stealing his semen for use in an evil ritual.
In For The Love Of Evil and Being A Green Mother, there is Jezebel, who is a partial subversion. By day, she is a rather plain old woman who has no interest in sex. By night, she is the classic succubus (highly attractive and needs sex every night). Although she is a demon, she is not evil and not directly subject to Satan. She also wants a romantic relationship and does not kill those with whom she has sex.
The Dresden Files RPG, written with input from the series' author, says that only House Raith is what would normally be considered incubi/succubi. All the other clans are simply Emotion Eaters with appropriate weaknesses (for example, one feeds on fear and is harmed by courage).
On a more traditional note, the Denarian-form of Rosanna takes on the traditional look of a succubus: beautiful, batwinged, and clearly demonic. While she doesn't draw energy or anything from tempting mortals, she is still a master at using her coercive abilities to tempt other mortals, often to open them up to the Denarians' temptations or keep existing Denarians under control.
Some of the Sidhe use similar seductive tactics and talents to Rosanna's.
Parodied in the Discworld story FaustEric, where we hear of a lonely old demonologist who wanted to conjure up a succubus but only ever managed a Neuralgia, "A demon what comes and has a headache at you," as the talking parrot puts it.
The Dark Tower features "demons" of both sexes, typically tied down to stone circles. With strong enough will, copulation can be a bargaining chip.
It also portrays one of the rarer examples up above: the same demon takes Roland's seed in one book, and impregnates Susannah with it in another.
Mack the half-demon from Tales of MU is widely speculated to have been fathered by an incubus (and, by extension, to be half-succubus herself, though she feeds on virgin blood rather than sex).
The novel If I Pay Thee Not In Gold has the seed passing type. In addition, the character is both succubus and incubus, but can only switch by having sex.
Though technically not a demon herself, recent novels of the Anita Blake series changed the titular character's power structure to this; originally only being a small-time witch and big-time Necromancer, her powers have stretched to unknown limits. She requires several bouts of sex each day to replenish her magic reserves and unlock new powers, and it's almost impossible for you to resist her if she's determined to get it, in a couple of different ways, evidently.
Jean-Claude, and the others of Belle Morte's line, function as incubi/succubi, though they are no longer called such.
The Drizzt Do'Urden novels generally stay away from the more sensual fiends (see below). However, during Wulfgar's years-long imprisonment in the Abyss, he was raped several times by succubi, who would sometimes have children by him — who were then eaten alive by his captor while he was forced to watch. Now that is Chaotic Evil.
Speaking of Drow, there is a disturbing subversion involving priestesses of Lolth and powerful Glabrezu demons (which aren't humanoid and can't shapeshift) to show their devotion to the goddess. Every priestess goes through the ritual as part of initiation, and rarely it results in a powerful half-fiend called a Draegloth, considered sacred to Lolthites and a sign of favor from the goddess. As if it wasn't already clear Lolth is batshit insane.
Something like a succubus also appears in one of his short stories. A woman has sex with a male prostitute, who appears to have minor psychic abilities, and steals his powers and his memories.
In Poul Anderson's Operation Chaos, Our Hero goes on his honeymoon, which is interrupted by an incubus/succubus pretending to be a brother/sister pair (only one demon). The Power of Love triumphs in the end (and the fact that Our Hero is a werewolf).
Simon R. Green has used succubi in more than one series. In Hawk and Fisher, a succubus is bound in a magic circle, providing a source of power and pleasure for a powerful sorcerer. In Hex and the City (Nightside series), the succubus Pretty Poison provides backup for John Taylor on an investigation.
In The Case of the Toxic Spell Dump, succubi and incubi form picket-lines to protest Angel City's vice laws.
In the short story They Only Come in Dreams, a man in the modern day is visited by a succubus. She tells him how her kind isn't doing so well nowadays thanks to there being less virgins, but they're learning to adapt. Despite her telling him that the act will do him no harm and she'll just feed on the energy that the sex will release, the man is so uptight that he ends up refusing her. Shocked, she vanishes, but not before smiling and echoing how their kind has learned to adapt. He then tries to go back to sleep...only now, there's an incubus in his bed. And the horrified way in which the final paragraph is written implies this one's not going to take no for an answer...
Ajulutsikael, a succubus, is one of the main characters of Mike Carey's Felix Castor books - something of a subversion insofar as she settles down with a nice girl early on in her attempt to go native among the mortals.
The Possessed in The Night's Dawn Trilogy engage in a lot of sex once they've taken over a human body, though, in this case, it's because they've been deprived of sensation for so long.
The Jennifer Morgue by Charles Stross features Ramona Random, an agent of the Black Chamber with a succubus bound to her. As The Laundry Series is a mathematical take on the Cthulhu Mythos, however, this succubus is "merely" an extradimensional demonic intelligence bound to a person's soul (an unbound incubus is used in an earlier book to lure in a professor by posing as her ex). Ramona's got the bum end of the deal; the succubus eats the souls of whoever she sleeps with, and if she doesn't feed it, it eats hers. This causes problems when one of her victims dies of a heart attack before the moment of climax.
One of The Witcher novels mentioned a blonde succubus, whom local ladies wanted dead, local gentlemen wanted alive (arguing that she visits only healthy people, no one's died, no problem), and neither Geralt nor the local sorceress is seriously bothered about. She ceased her "visits" for a while, apparently in awe of Geralt's reputation, though (or simply because of being too..."distracted" by a passing vampire).
The Gancanagh in Wicked Lovely, whilst being Fae rather than demon, are basically incubi. One of them, Niall, is a Reluctant Monster on account of this. They are unnaturally alluring, and their touch is addictive and, eventually, fatal.
Cerise, a member of Keenan's summer court, is breifly mentioned to be a succubus.
Succubus Blues and sequels are an Urban Fantasy series that follows Georgina, a 2000-something year old succubus who works for the devil and hates her job. The primary function of her powers is to corrupt souls, and, to that end, she can feed off of mortals' life energy; the purer of spirit, the more energy she gains and he loses. When sleeping with her Jerk Ass boss, he only gets a little tired, but in the denouement of the first book, she almost kills a man just by kissing him. Possibly, he actually died and was revived. She only has shapeshifting and glamour by way of superpowers, though.
Harry Potter has a partial (read: PG-rated) example in the veela, who appear as stunningly beautiful women (if there are any male veela, we haven't seen them) with supernatural seduction powers but, in their true form, are hideous, fireball-slinging harpies. In a subversion, men can apparently build a tolerance to their seduction powers with constant exposure, and the only part-Veela character to get much page time is happily married to a human man.
A succubus appears in the short story The Likeness of Julie by Richard Matheson.
In L. Jagi Lamplighter's Prospero's Daughter trilogy, one of the Three Shadowed Ones is an incubus.
In one of Tais Teng's novels, the main character curses her teacher to be visited by a demon known as the Lady with the Long Tongue. When this demon appears to him that night, she is described as the distilled essence of all his lustful fantasies, the perfect sexual being he has dreamt of and desired since his teenage years - until she opens her mouth.
"He stayed away from school for several months. When he finally returned, he was marked with sudden age, a grey shape that hunched and shuffled and left too many lights on at night."
Live Action TV
Giles specifically mentioned that succubi and incubi should be drawn to the Hellmouth when he was explaining it in the first season of Buffy the Vampire Slayer, but, oddly, we never see any.
Shortly after her introduction, Tara sneakily disrupted a "locate demons" spell Willow was casting, which led to months of online speculation that she might be a succubus. She's human, though. (She just thought she wasn't.)
The preying mantis lady in the episode "Teacher's Pet" could be considered a sort of succubus.
In a different variation of this trope, there was an episode about a frat house haunted by the imprinted sexual desires of adolescents repressed over time by a Christian fundamentalist who lived in the house before the frat took up residence.
The alien in the Torchwood episode "Day One" has all the markings of a traditional succubus, though as it gets more desperate, it seems to trade seduction for violent rape.
Marleena in Reaper. She's one of the good demons, or, at least, one of the demons trying to be good.
One appears in Charmed in the episode "She's a Man, Baby, a Man!" and Prue changes into a man to lure her.
Though not actually a demon, the shapeshifting/illusionist salt vampire in the Star Trek: The Original Series episode "The Man Trap" uses seduction, appearing as someone's "ideal lover", as its most reliable trick.
Star Trek: Voyager episode "Favorite Son". Harry Kim is lured to stay on a planet with beautiful women who want to mate with him - a process that will kill him by draining his Life Energy.
In The Middleman, fashion mogul Roxy Wasserman and her staff are all reformed succubi and incubi.
Professional Wrestling example - kinda. Around the late 90s/early turn of the century, Terri Runnels began referring to herself as a she-devil, and doing a taunt where she'd put her index fingers behind her head like devil horns. Cue Jerry Lawler calling her a "Horny Little She-Devil".
A succubus appears in episode 5 of the third series of Sea of Souls, where she starts dating one of the team. She ends up pregnant with his baby. Even if it was ever going to brought up again, it's now an Aborted Arc.
Not a succubus or incubus, but Barney, dressed a devil, used "I'm a horny devil!" as a pickup line in How I Met Your Mother during a Halloween Episode. (For the record, it didn't work.)
The X-Files ("Avatar"). When a murdered prostitute is found in AD Skinner's bed, Mulder speculates a succubus may be involved, as she sometimes kills female rivals. However, the exact nature of the supernatural woman who appears to be watching over Skinner is not established; the trope is future subverted in that she is portrayed as middle-aged, rather than as a young, beautiful seductress.
An incubus shows up in one episode of the now-canceled live action adaptation of The Dresden Files. This incubus (a proper demon in the TV show's mythology) was using women to try and create a "son" for himself. The incubus can control women with a touch, similar to the Dungeons and Dragons version of the succubus. This particular incubus forces another private eye (played by Claudia Black!) to murder Harry (or, at least, try to murder Harry, who uses his magic to save himself).
Twin Peaks. BOB is roughly an incubus who feeds on fear and pain, so the more traumatic the experience, the better.
The main character of Lost Girl is a succubus who discovers this by accident when she kills her boyfriend the first time she has sex by draining the life from him. She's only able to sleep with supernatural creatures because they can survive it, but can "feed" by taking a little bit of energy from normal humans. Later on, she learns how to use her powers for good by giving life energy back to those near-death, saving their lives.
The Gates had Andie, a sympathetic succubus.
The Kolchak: The Night Stalker episode "Demon in Lace" had a succubus as a spirit that would possess the bodies of beautiful, recently dead women and would drain the lifeforce out of men.
Incubus (male) and succubus (female) are demons who feed on the life-force of human beings of the opposite sex. Some sources say that they are one and the same, taking the form of both genders.
Those names literally translate as "one who lies on top or in (masculine form)", "one who lies below (masculine form)", "one who lies on top or in (feminine form)", and "one who lies below (feminine form)", respectively. Maybe it's a reference to their preferred sex position?
Lilith of ancient Mesopotamian/Jewish mythology, who went on to mother an entire race of demons.
The Mesopotamian Lilu and Lilitu were not a single entity but a whole family. Not all of them were horny devils, but Gilgamesh was directly descended from one of the many who were.
The Jewish Lilith started out as a baby-eating rape demon and enemy of mankind who took advantage of Adam after he was kicked out of Eden. Later, medieval legends changed her into the first woman, who Adam kicked out of Eden because she refused to let him be on top...interesting, considering the aforementioned etymology of "succubus" and "incubus".
Myths of this sort emerged in multiple monogamous societies where one gender (usually, men) traveled while the other saw to the homestead (say, fishers, traders, or trade-farmers who lived distant to market). Tales of attractive female vampires that prey on unwary travelers were (are!) perpetuated to keep the errant men from cheating on their wives.
The Zburator (flyer) of Romanian folklore and folklore inspired literature is often described as a young man with demonic features (sometimes a shapeshifter, who's true form is a dragon of some kind, or a vampire like being), who visits adolescent girls in their dreams.
Andrealphus' demons in In Nomine Satanis and its English adaptation, In Nomine. Interestingly, Eli's angels in In Nomine can also power up by having sex. Also, all Impudites can suck out your soul from any friendly contact, including sex.
Speaking of devils, the baatezu have their own versions of succubi. However, Erinyes (which look like, for lack of a better term, beautiful, female, emo angels) are more powerful and capable warriors than typical succubi, noted for their skill with bows. Erinyes also have an "upgrade", that being Brachinas, devils whose duty it is to use seduction to lure worshippers of good deities away from their faith, though they'll gladly "torment" anyone, and possess a contact poison that affects the mind; in game terms, it deals Wisdom damage, making a person more susceptible to seduction and a less powerful divine caster.
In earlier editions, the Erinyes were still quite sensual◊. However, the succubus and Erinyes of earlier editions had drastically different roles. Sure, the succubus could swipe your soul with sexuality, but she was also there to tempt mortals to "passionate" evil. Succubi were Always Chaotic Evil and tempted mortals to crimes of desire and rage. However, the Erinyes were Lawful Evil and weren't interested in making mortals butcher lovers out of jealousy. Certainly, they could use their attractiveness to further their goals, but anything physical was merely a means to an end. They wanted to make tyrants and other Lawful EvilComplete Monsters. In Plane Scape, they were usually found in great numbers in Grenpoli, the City of Diplomacy.
Not being powerful in combat doesn't mean unimportant. In the Ravenloft setting, an incubus known as the Gentleman Caller is one of the setting's worst Big Bad villains, beguiling numerous female NPCs over the years, and fathering enough half-fiend offspring with high-ranking women to destabilize or corrupt more than one domain's political system.
Fourth Edition made succubi into devils — the new lore is that more human-looking fiends are all devils, and more monstrous-looking fiends are all demons. Further, without the Lawful Evil/Chaotic Evil distinction, there is no real need for both a succubus and an Erinyes; there are none of the latter detailed in the first Monster Manual.
Another reason is that in 4th ed, angels are not automatically good. They have the same alignment as their gods, and don't look as human-like as they did in previous editions. It makes the concept of the Erinyes - who were fallen angels - redundant when there're actual evil angels running (well, floating, as they have no legs) around.
Erinyes make a return in the second monster manual, but as tormentors, similar to their origins in Greek Myth.
In the "3.5" edition, succubi and incubi are the same creature, and may change shape to suit themselves. They are tanar'ri demons, but, as demons go, aren't too terribly powerful in combat. They have a more powerful "variant", lillitus (the name obviously derived from Lilith). As demons, they are Always Chaotic Evil.
An issue of Dragon Magazine actually gave us the 3.5 incubus. They're portrayed as shark-toothed men with rat-like tails, jet black eyes, horns like an antelope, and cloven feet. They embody "masculine sexual evil", and basically exist to rape and kill Anything That Moves.
4th Edition also has incubi as a distinct species in Demonomicon: in this case, incubi are succubi that followed the (former) archdevil Graz'zt into the Abyss on a raid and were transformed with him into demons. They aren't as explicitly violent as the 3.5 incubi, but they are much more bestial and combat-oriented than their devil counterparts (which is typical of 4th Edition demons in general, as noted above).
The first edition of the Vampire: The Masquerade supplement entitled A World of Darkness (published 1992) includes a type of being called a Hengeyokai Cat that is based on Japanese legends, specifically, the animal form of Youkai. These beings are born feline but can take any human form, and seduce humans for their Ki or life force.
Demon The Fallen has the Defilers, who originally made the seas and gave humanity the gifts of passion and desire. This went badly at the Fall, as God then cursed mankind to be lost in the pleasures granted by the Defilers to the point where they could not learn what the angels wished to teach them. They have access to the Lore of Longing, which grants them the ability to instill inspiration, desire, and obsession in humans.
Neomah from Exalted are nice enough not to take your soul...just a bit of your flesh, which they'll fuse with other people's flesh to make a Mix-and-Match baby. They also provide services other than sex - for instance, they can make babies for biologically incompatible couples.
Infernum, a game that uses the D20 system, both plays this trope straight and subverts it. Malcubi (the gender neutral plural term - incubus is the male singular, succubus the female single) resemble gorgeous human beings of the appropriate sex, and were created as an alternative way to breed demons (the default is dissolving a living demon in an alchemical pit, known as a Spawning Pit, with its organs mutating into maggot-things that will mature into full demons after about 6 months) and quickly shifted to being prostitutes for the creators of the demon breeds. However, they have no innate ability to harm their lovers through physical contact (beyond their claws); their racial powers consist of preternatural charm, bat-like wings to let them fly, mind control, and entering the minds of dreamers. It's played straight, however, with the Chain of Lust collection of mutations. This set of four powers allows the demon to befuddle the minds of others, and culminates in the Succubus Kiss, which lets the demon drain energy from others with a touch. The Chain of Lust, however, is a Common mutation and can thus be taken by any of the nine breeds...which includes Artificers (dwarfish things with exoskeletons of steel), Beasts (which look like demonic Furries at best and Eldritch Abominations at worst), and Imps. There are also two Houses (essentially countries, in political terms) devoted to this trope; Astyanath are Cenobite-style worshippers of pain, while Riethii are more traditional hedonists.
Although not devils (or demons) by definition, the vampires from the Daeva clan, from Vampire: The Requiem, are (fitly) nicknamed Succubi by others. They are awfully sexy, have the power to bedazzle people, and, even though they don't need to feed through sexual intercourse, they do blend hunger and lust together. Some theories say that they are descendents of a succubus sex GODDESS, Ishtar.
The sourcebook Chicago By Night featured, among its countless characters, a succubus who survived on sex. In this interpretation, she didn't necessarily suck the blood or souls of her victims so much as kill them by sheer exhaustion. This was a version before the White Wolf series expanded beyond its Vampire milieu, so she may have picked up some more definitive game rules since then.
Changeling: The Lost has Incubi in general as creatures that dart about human dreams, but Succubi, in particular, fill this role, taking on the form of human desire. In another reference to old myth, a woman who receives the very special attentions of a succubus may become pregnant with a cambion. Likewise, there's the incubus/succubus (depends on gender) Kith of changeling, which has an easy time dealing with lustful humans.
The small-press urban horror RPG Nightlife has Daemons as lifeforce-draining Horny Devil player characters, as well as NPC succubi and incubi.
Morrigan and Lilith in Darkstalkers. However, Morrigan is depicted as relatively benevolent and Lilith as innocent and misguided. The souls of the men they feed on aren't destroyed, but, rather, continue to exist as part of the succubus, living in endless pleasure and happiness for eternity. Because of this, Morrigan explains (in one of the comics by Udon, though Capcom doesn't take anything not in its games as canon) that she enjoys taking men out of their short, toil-filled lives and giving them bliss. Albeit, the physical aftermath is still ghastly as the man's physical body is left a desiccated corpse that inevitably horrifies whoever comes across it.
The games with female protagonists are...interesting about it. In Castlevania: Portrait of Ruin, succubi-type monsters yell "You filthy cow!" when Charlotte gets in range (as opposed to declaring "I'll play with you!" to Jonathan). In Castlevania: Order of Ecclesia, on the other hand, they all call Shanoa "cute little kitty"...
Carmilla's servant Laura from Rondo of Blood and Portrait of Ruin will try to feed on either males or females in her "gown" form.
City of Heroes features them as a minor enemy class under the Circle of Thorn. They're actually quite feared, due to their hard-to-block ability to confuse PCs into attacking each other.. however, considering that they mainly appear in City of Villains (with its Character Class reliant on its minions - that all go berserk if the master is confused), some consider this to be more of a perk than a problem.
With the addition of the powerset "Demon Summoning", the Hellion gang got a new boss class member, the Girlfriend from Hell. She doesn't use seduction in combat, though.
The Succubi in Champions Online avert this trope. They appear as floating human females with pinkish-red skin and transform into monstrous demons in battle, using fire-based ranged area attacks.
Another enemy from this game, the exclusively male Sanguinarian (a type of vampire) prefers to attack with a hypnosis-lifedrain-combo.
The Neverwinter Nights mod Tales of Arterra has an unusual take on succubi, presenting them as slaves with no capacity to think for themselves rather than actually evil monsters. The Death by Sex element comes from the succubus' ability to cause a man's heart to burst, but that ability is voluntary, thus widening the uses demon lords put their succubi to and allowing Persephyths to take her place as a possible Love Interest.
Diablo has an army of succubi in, well, Diablo, and his brother Baal's personal harem is unleashed in Lord of Destruction, the expansion to the sequel.
Albeit, they're not particularly sexual creatures, rather color-coded, fireball-flinging, batwinged, naked women.
Diablo III also has succubi, which start appearing as you go through Arreat Crater in Act III. They are stated to be the daughters of Cydaea, Azmodan's consort and one of his Sin Lieutenants, the Maiden of Lust. Act IV features the Vile Temptresses and Hell Witches, which act in all ways like the succubi.
The Succubus and Incubus monsters from Lost Kingdoms II (and they even get a card combo when used together).
Xana from Dark Messiah is never explicitly referred to as a succubus, but she's certainly a horny devil, both in the sense that she's a sexy naked demoness with horns (and a tail) and in the constant come-ons she makes to Sareth. Since she spends most of the game skinriding his body, you don't get to see much of her lifestyle (such as how she feeds), but the (unabridged version of) the scene where she's initially fused to Sareth is undeniably sexual in tone.
Dialogue also makes her nature undeniably obvious, from the careful choice of words when she admits to knowing your father, the description of her being yours to use as you please, and a reference to feeling naked without your weapons.
Succubi are featured as a monster class in Disgaea, more or less carried over from La Pucelle.
In World of Warcraft, warlocks of 20th level or higher can learn how to summon a succubus as a minion, using the hearts of pure men to entice her from her home plane. They also clearly enjoy being spanked.
They also have the spell "Seduce", a channeled effect that completely incapacitates the succubus's target (and causes little hearts to float over his or her head) until the effect ends or the victim takes damage. Hostile NPC succubi often have the same ability. And yes, it works just as well on female charactersas it does males.
To put a bit of a twist on it, succubi in the Warcraft universe are revealed in Rise of the Horde to be something of an anomaly: most demons aren't particularly interested in sex. (The man'ari eredar spy Talgath, in particular, comes off as downright prudish.)
Also a bit of a twist; according to The Other Wiki, Warcraft succubi may genuinely fall in love with their summoner, so if they try to get the warlock in bed, it may be motivated by actual affection and not just the desire to steal your soul.
Nethack: Foocubi (the Nethack term for incubi/succubi of the opposite sex to the player, which is both a pun on the metasyntactic variable "foo" and a fairly obvious Double Entendre) can strip the player naked and...you know. This intercourse gives the player a semi-randomly chosen benefit/penalty which may include a power boost, making "foocubus dancing" a popular sport.
Your chances of a good result depend in part on your charisma. Which class starts with high charisma? Knights. The lawful paladin-type gets the best results from sleeping with a foocubus early in the game.
High charisma gives a better chance to keep armor and complete the encounter Right Through His Pants. High intelligence also improves performance. Monks with a little of both have less to lose.
In Heroes of Might and Magic V, Succubi are ranged attackers for the Inferno faction. While they act the part, only their alternative promotion in the second expansion actually have the ability to seduce enemies.
The Shin Megami Tensei series has succubi and incubi as demons/personae, generally with charm and drain type spells. Interestingly, while the succubus appears as a generic sexy demon, the incubus is a small imp-like demon with a huge penis. Frighteningly, Incubi in the first game know binding magic, but not charm magic.
In Catherine, the eponymous character fulfills many of the same narrative roles as Horny Devils in less mundane stories: she challenges the protagonist's fidelity by being exactly the sort of person that would appeal to him most. This eventually leads to when Catherine is revealed to be a succubus. Vincent can become an incubus, if the player follows a certain path. And the whole bit about "less mundane stories" is just a Red Herring to keep the game's presence on this page from being a spoiler.
Demons in Dragon Age are named after the emotions that they feed on. Desire Demons, therefore, feed on the desires of their victims - not just lust, though their appearance strongly implies the most common desire they cater to.
Mass Effect has a sci-fi take on the trope with the Ardat Yakshi. Some members of the asari have a genetic condition that kills anyone they have sex with. This also turns them into nymphomaniacs, so at least one has set out across the galaxy as sexual serial killers. The one Ardat Yakshi we meet in-game uses a combination of feminine wiles and psychic powers to seduce her victims, though it's unclear if that's the norm or if she's just that talented.
When Ardat Yakshi are discovered, they are given a stark choice. Either stay in house arrest, alone for the rest of their lives, or be executed right then and there. Yeah, it kind of sucks to be an Ardat Yakshi. (The one we meet in-game likes to bring this up in an attempt to play the victim.)
Though we do meet her sisters in Mass Effect 3, who have accepted their condition and are fine with it.
Fall-From-Grace, an NPC from Planescape: Torment, was a Lawful Neutral and chaste succubus priestess (and an agnostic priestess at that), who ran the Brothel For Slaking Intellectual Lusts [emphasis added]. Her cadre of "prostitutes", all very lovely in their own way (though some in a very...nonhuman fashion), can be called upon to stimulate their patrons' intellect, ranging from playing chess or debating the finer points of governmental policies to storytelling or verbally abusing you. Fall-From-Grace had been sold to devils (demons' mortal enemies, as they are Lawful Evil) by her mother as a slave, but won her freedom by winning a contest that required improvisation. PS:T uses AD&D Second Edition rules, but succubi were in the second edition, too, and just as Always Chaotic Evil.
Len from the Tsukihime sequel Kagetsu Tohya is Really 700 Years Old...but she looks about twelve. True to her nature, she rapes the male protagonist during the first encounter. Then again, being on the Good side, she's always shown in a sympathetic light.
This is something of an arguable example, though: Len is specifically a dream succubus, and seems to derive much of her sustenance through experiencing and/or manipulating the dreams of others. The sexual part of that first encounter was an example of Arcueid's rather extreme lack of social skills; she doesn't know humans that well, but she knows they like sex, so she sends Len to give Shiki a vivid sex dream. She's genuinely surprised when he's upset about it.
Elvira 2: The Jaws of Cerberus has a particularly horrifying succubus: in the haunted house area, you will find a room where you suddenly feel the urge to sleep. Suddenly, you see a buxom, beautiful woman giving you kissy-faces (and you can actually see her nipples through her top). But when you get on the bed, she gets on top, and her head morphs to...well, this.◊ It's Game Over for you, unless you cast the Courage spell before entering the room.
Tentacle demons from an older version of Dwarf Fortress are sometimes admired for their "corrupt intentions".
Kristell in Mabinogi Fantasy Life is a succubus, although she is never shown to do any of the things commonly associated with succubi, due to having cast away that life out of love for Tarlach and become a priestess.
Also, Elatha is an incubus. However, it's later revealed that he is not one by birth; he was turned into one as a favour to Morgant. He is, in fact, a demi-god.
In Golden Sun: Dark Dawn, vampy villain Chalis also has horns and fits at least two of the qualifiers, and is designed to strongly resemble succubus-type enemies... which have been redesigned in turn to look more like Chalis. There's definitely a connection of some kind.
Sabine in The Order of the Stick. Subverted in that she has a healthy relationship with a human man. (As healthy as things can be in this case, looking over the fact that they're both evil and, well, it's kept healthy by human sacrifices.) It's not monogamous, of course, which is lampshaded in typically hilarious fashion here.
Sabine: Nale, sugar, I'm literally an evil incarnation of illicit sex, do I seem like I would get hung up on who you sleep with?
Most of the female demons in the webcomic Krakow have jobs as succubi. In a subversion of the typical morality of succubi, most of them aren't that evil, and Case (human) and Kia (succubus) have a happy relationship and eventually got married.
Though they have a reputation for devouring souls if they want to, which is why the protagonist isn't exactly happy about discovering his heritage (plus, his clan has an affinity for pain and his mother is widely considered to have been a Complete Monster).
The first one to show up fit the classic succubus model pretty well, just Played for Laughs more than the trope usually is. But then it turned out that that particular Cubi just liked lust, and the Cubi's reputation as Horny Devils (amongotherthings) was because of gross sensationalism.
Return to Eden has this, only it's viewed as a curse on the demon that they have to feed that way.
Pibgorn features Drusilla the succubus as a major character.
Succubus Justice is the story of a 'failed' succubi sent to a reform school in hell.
In Lovefeast, there is an "Ero" class of Shinigami trained to harness incubus- or succubus-like powers to use against demons or aid in taking the souls of the dying. They are still unlike actual incubi/succubi in that the demons cause more widespread harm to human souls.
Incubus Tales is all about an incubus and his companions, who run an otherworldly pleasure shop.
Subverted in Locus: the comic is about a half-human half-succubus with special powers inherited from her human father. In it, Succubi are an advanced race which does not, in any way, feed on sex or sexual energy and consider sex with humans bestiality (but they are common target for rape by humans). The heroine's mother does seduce her father in a typical succubus manner, but it turns out that she's being mind-controlled by an evil wizard trying to produce a half-succubus with a specific power set.
Cloe of Eerie Cuties is a 14 year old succubus with freckles and glasses, who thought she was a failure. After a...ahem...growth spurt, she finds herself much more popular with the guys.
It should be noted that many fans on the forums kinda liked her better before the growth spurt.
Subverted in Witchprickers with Kitty Scratch, an overweight succubus more interested in food than sex.
A pair of these, apparently siblings, show up in Blip. They're not just dangerous in bed, but dangerous fighters as well.
Every main character in Demon Candy Parallel can be considered this. Jonathan may not be one of these, but only time will tell.
MSF High: subverted, as Succubi are often stereotyped as this.
Pretty much any demon in Heartcore, but especially Ame and Asmodai.
A succubus character in Elf Only Inn shows up, seducing all the men with her wiles, though she did this mainly as a way to piss off the board's local Soap Box Sadie.
Subverted in chapter 76 of Armageddon, where it's long since been discovered that succubi just operate using telepathy and pheromones...leaving them perfectly vulnerable once countermeasures such as air filtration against the pheromones are used. Instead of getting her way, the succubus Lugasharmanaska is unpleasantly surprised when President George W. Bush (yes, that George W. Bush) actually uses the infamous "with us or against us" line on her, revealing that "we" knew all along about her attempts to play Earth against Hell and vice versa, and only let her do so as long as it suited "them"...before separately showing the queen of the succubi that he's as immune to her, too. (Perhaps hilariously, this scene comes close to painting him as a Magnificent Bastard who'd pretended to be a dunce for quite some time. Then again, he's got quite the stacked deck in his favor.)
Armageddon manages the rather impressive feat of making Clinton, Bush, and Obama into generally intelligent, sympathetic characters who tend to do the right thing. Not impressive because it's hard, just impressive because so few people would be willing to try.
Many of the Daeva and half-Daeva in Addergoole come under this trope. It's somewhat subverted in Jamian, because he has all the right powers to be one, but he's a virgin and really not comfortable with the idea.
The webfiction Kumiko The Demon Girl featured a demon who looks like the classic succubus as the Magical Girlfriend of the main character. Demons in this world feed by ripping out the souls of their targets and consuming them (killing the subject in question), but Kumiko decides to allow Ken (the protagonist) the chance to at least not die a virgin and finds that sex is not only enjoyable, but allows her to consume his soul in smaller chunks.
Whateley Universe: Sara is one of these, being a demon of Lust, and builds up quite a harem (being a lesbian), though she makes sure that they really do love her first, rather than use her pheremones.
Gaia Online has the namesake of the "Alruna's Rose" item, a voluptuous lilac-skinned succubus. She also comes in Office Lady (OL-runa), Token Mini-Moe (Alrunette), and Spear Counterpart (Anurla) versions. The "Diapered Egg" item also turns into "a fiery spirit of love gone wrong", named Ash. Lastly, demigoddess Sentinel had a strong demonic influence in her appearance during her Halloween 2009 rampage (afterwards she was struck down and rendered mortal, with a more human appearance).
In the original English language visual novel Daemonophilia, the Loser Protagonist accidentally summons a succubus that can only return to her home if she successfully seduces someone. The catch? She is as much of a loser as a succubus as our protagonist is in everything, so she has a hard time completing that assignment. And if our protagonist just allows her to seduce him? Easy Road to Hell...
Queen Chrysalis from My Little Pony: Friendship Is Magic, who steals the form of the bride to be of Twilight Sparkle's brother Shining Armor so she can feed off his love for her, draining his energy in the process, and has a rather demonic appearance. She's portrayed as close to a succubus that a G-rated show can get. Apparently, Changelings as a whole are like this, but she's the only one we see actually play the trope straight.