Hedonism-bot: To take over the Earth, we'd need a damned army!Demons. Abominations. Monsters. Fallen Angels. Door-To-Door salesmen. There is a place where they go to, and a place from which they spring. Simply calling it Another Dimension doesn't do it justice. They are legion, for their numbers are many, and their powers are diverse. Sometimes Mooks of Satan, a Satanic Archetype, or a God of Evil (who - depending on the setting and/or the author's worldview - may or may not be the same person/thing), and residing in Fire and Brimstone Hell (or the real deal). There may or may not be heavenly equivalents, and either one can be treated in a Crystal Dragon Jesus manner. Heck, if they're in a Hentai work, they may even have tentacles. The Shinto version of the afterlife is markedly different from the Christian version; thus, in anime not influenced by western notions of Hell and demons, Hell acts more Lawful Neutral than evil regardless of how it looks, especially the classic Buddhist and Chinese versions. Demons will be more like administrators than tormentors, often taken to the extreme. However, if Good Hurts Evil, one wonders why the heroes don't just "accidentally" let a nun, monk, priest, child, angel, or other nice being walk in and 'crash the gate shut with a resounding bang and atomized, no, disintegrated the great forces of evil.' See also: Bonus Level Of Hell, for guys slightly higher (or lower) on the infernal totem-pole see Demon Lords and Archdevils. For the non-demonic version: Alien Invasion. The Evil Counterpart to The Armies of Heaven.
Bender: Then a damned army we shall have!
Bender: Then a damned army we shall have!
— Futurama, "The Beast with a Billion Backs"
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- The demons of Devilman, led by Satan himself. They also showed up in a Crossover movie with Mazinger Z.
- Angel Sanctuary tells the story of war between angels and demons. Among other things, the demons are the good guys....
- Not so much the good guys as the less evil guys. God himself is mostly absent.
- Except towards the end, where he shows himself to be evil.
- Not so much the good guys as the less evil guys. God himself is mostly absent.
- The forces of Hell and Heaven seem more like rival sports teams than vicious enemies in Ah! My Goddess, but even so the demons can be nasty.
- The DiC dub of Sailor Moon lumped all of the show's villains and monsters from the first two seasons into a single evil force called the "Negaverse".
- In Bleach, Hell is not among the villains. In one episode, the Soul Reapers defeat a fallen ghost who was also a serial killer during his life. A Soul Reaper cannot purify sins made by the living, so the Gate of Hell opens up and a demon reaches out and grabs the damned soul.
- Much better in the manga where the giant demon impales him on an equally giant sword.
- In the latest film we meet the "Togabito" (defilers), who are the humanoid denizens of Hell.
- The dead villains from Dragon Ball and Dragon Ball Z were shown in hell from time to time. Due to censorship issues at the time, any time in the dub the word "HELL" was on a uniform or on the wall, it was edited to "HFIL" or "Home For Infinite Losers." This is the subject of amusement and/or eyerolling among fans.
- The demons of Berserk are quite powerful, diverse and horrific. Every one of them were once humans who got hold of a Behelit and sold their souls and sacrificed those closest to them to the demonic gods of the Godhand in exchange for being reborn as demons. The Godhand themselves are servants of the Idea of Evil, a quite evil God that governs the Berserk universe and manipulates events so that behelits get passed down to those destined to use them so that more demons and members of the Godhand get created. Needless to say, Berserk's world is every bit a crappy place to live.
- No two Orphans from Mai-HiME are alike, and their presence is made even more eerie once the characters (and the viewers) realize where (and who) they're coming from.
- The Hundred Demon Empire of Getter Robo G. The Dragon of the organization looks like Hitler with demon horns. Like a bonus, his name is "Hidler".
- The Youma Empire of Raideen
- The Guze no Tomogarra (Denizens of the Crimson Realm in the dub) and their Rinne servants from Shakugan no Shana.
- Ronin Warriors had Talpa's Dynasty Soldiers, a seemingly endless supply of Faceless Goons.
- Pulled off in the 10th episode of Kanokon, when a horde of them attack the school. When he reaches his Five-Tailed Form, Kouta lets loose an expanding energy wave that completely obliterates the horde of baddies (save their leader, who flees).
- The Lucifer Hawke/Lucifer Folk from Silent Möbius.
- The Invaders from Gatekeepers and Gatekeepers 21.
- The Arigami from Blue Seed.
- Thoroughly subverted by Bakuen Campus Guardress.
- Even more thoroughly subverted by Hyper Police, in which the invasion is long over and the demons are a normal part of the landscape (to the point where humans are a rare and protected species).
- Mahou Sensei Negima!: Negi's hometown was doomed by one of those. Is not clear if they do come from Hell, but they are called demons anyway.
- Then later on, Dynamis summons an army of several hundred thousand demons. Same as above, it's not stated whether they're actually from hell, though.
- Just a bit later, we are (re)introduced to Zazie Rainyday's sister Poyo, and Zazie too. They are heavily implied to be from hell.
- Then later on, Dynamis summons an army of several hundred thousand demons. Same as above, it's not stated whether they're actually from hell, though.
- The Dark Liege Army in Nora. Subverted in the fact that they're actually the good guys.
- Shows up from time to time in The DCU. Teen Titans has had to deal with Trigon, Superman has traded blows with Karkull, and even Batman has fought both alongside and against Etrigan the Rhyming Demon. The Sandman makes quite a few visits there as well.
- Mephisto and his son Blackheart serve as the rulers of a Hell-like dimension in the Marvel Universe. They are responsible for the creation of any number of heroes and villains, such as Ghost Rider (who sold his soul) and Dr. Doom (who tried to access Mephisto's dimension to save his mother's soul, but wound up scarring his own face). Blackheart was the primary villain of the Ghost Rider movie, with bookend appearances by Mephistopheles.
- Marvel has been largely inconsistent in its portrayal of hell (largely due, it seems, to an unwillingness to flatly confirm or deny the existence of God in the comics, quite unlike DC). The current Ghost Rider series had Satan himself (not Mephisto, Satannish or any other almost-Satan Marvel has used in the past). For the most part, Marvel seems to go with the idea that there are many different hells, with many different devils.
- Originally Johnny Blaze had made a deal with the same Satan that was the father of Daimon Hellstrom (Son of Satan, natch) and Satanna, who definitely was NOT Mephisto.
- Note that part of the inconsistency has been explained by the fact that demons lie all the time.
- The Neyaphem, a race of exiled demonic mutants led by Azazel, who is also the father of Abyss, Kiwi Black, and Nightcrawler.
- Spawn got his superpowers under the conditions of leading the Legions of Hell. He ended up not, but he still kept the powers.
- In Lucifer a damned but repentent human soul, Christopher Rudd becomes the Messianic Archetype of Hell, and leads the demons and the damned together against the Lilim attempting to conquer the Silver City...and conquer it themselves as revenge for the injustice of allowing Hell to exist.
- In Godzilla in Hell, they have to contend with the King of the Monsters. However, they do have King Ghidorah on their side.
- Hellboy has the Legions awaiting for Hellboy to lead them to destroy the world. Unfortunately for them, Hellboy was Raised by Humans and (repeatedly) tells them to piss off.
- Averted in Preacher, where Hell appears in only one arc, and even then we only see a few devils complain of the cold (a man who felt such hatred that it froze Hell over, and ended up shooting the Devil over an insult). Heaven's armies get a lot more screentime, if equally dangerous.
- Black Moon Chronicles: The demons of hell are summoned in battle by Haazheel Thorn and sent by Lucifer to Take Over the World after God is out of the picture.
- In Army of Darkness, a bunch of dead bodies are possessed by demons released by the Necromonicon Ex Mortis. They attack a medieval castle, and it's up to Ash, his chainsaw, and his boomstick to defeat them.
- The Gate has some kids accidentally summon demons in their backyard by contrived coincidence.
- Princess Trinity has the legions from Tartarus launch an attack on Equestria, and the ponies fight back with, among other things, pony-shaped Humongous Mecha.
- The Demon Empire in Sonic X: Dark Chaos is this trope turned into a political state, complete with extremely advanced technology and slavery. And it's saying something about the 'verse that they're considered the "nice" faction.
- The Malebranche in Dis Acedia started out as this, although attrition and shortages eventually forced them to expand and recruit mortals among them.
- In the Clive Barker novella The Hellbound Heart, the Film of the Book Hellraiser and an Expanded Universe based on the latter, the Legions of Hell are the Cenobites (a word originally meaning simply monks in monastic orders, as distinct from "eremites" or hermit monks). Hell is not a place for punishment of sins as such: souls are lured there simply by the temptation of solving puzzles.
- Barker would later publish The Scarlet Gospels which expands that the Cenobites as a part of The Order of the Gash are only a small part of multiple factions of Hell. This book relates in description to the incarnation in Hellraiser but also limits how much it expands the mythology, leaving room for the possibilities of changes as far who makes up the Legions of Hell between the two books.
- In Poul Anderson's Operation Chaos, the characters end up storming Hell and facing down the legions to recover their daughter.
- In Robert A. Heinlein's Magic, Inc., the characters demand of the king of Hell, according to Hell's customs, that he let them inspect his legions looking for their enemy.
- Terry Pratchett's Discworld has its Legions of Hell living in the Dungeon Dimensions. (Technically, the Dungeon Dimensions are a home for the Eldritch Abominations, while the Legions of Hell are more amiable and bureaucratic, and reside in various Hells produced by the human imagination.)
- Good Omens: when they arrive for Armageddon, it's noted that the commanders of the Heavenly hosts and the Legions of Hell look remarkably similar, all part of the book's theme that neither side is all that different from the other.
- Terry Brooks' The Word and the Void novels:
- The "feeders" almost fit the trope. Though they're dark and oozy and scary, they aren't very dangerous; they're more harbingers of evil than evil itself.
- There are actual demons in that series, the servants of a being called the Void, but there aren't really enough of them to call a "legion" (and they seem to have a hard time working with each other anyway). The highest number of demons ever seen together was four, and that was an explicitly unusual case.
- Demons swarmed out of the Darkwood in Simon R. Green's Blue Moon Rising. In Beyond the Blue Moon, it turned out that the demons were really humans transformed into murderous monsters, subverting this trope.
- Paradise Lost features the legions named in a device called an "epic catalogue". Usually used to name the various heroes on the quest (see The Iliad for a classic example), this version instead mentions the various gods of other religions who form the forces of Satan.
- The Belgariad and The Malloreon feature demons as a one-shot problem in the former, and a serious threat in the latter. The series makes a point of stating that even a normal Demon can't be fought without sorcery, another Demon, or the aid of a God; one of the antagonists is able to usurp control of an entire country just by threatening to unleash his hordes of Demons. Naturally the two Demon Lords who put in an appearance later are just shy of indestructible.
- The Dresden Files delivers in its usual fantasy-kitchen-sink fashion. Demons, Fallen Angels, the Devil, and all other shades of Hell exist, alongside all of Heaven, and the Nevernever, with the Fae, who's Blue and Orange Morality isn't evil per se but is often fairly destructive.
- Earlier in the series, Demons had more of a presence in the story, temptations and all, but their place was usurped by the Fae. Lately, only the "Nickleheads" (Fallen Angels with mortal hosts) have made much of a presence for the Down-Below team.
- A big point of the series is that while Good and Evil are real, a lot more to life takes place in the grey, orange, and blue. Being a good person is about always working hard at doing the right thing and being clever about it, not necessarily fighting those Legions of Hell. That said, good, strong people also fight Evil. It's just one of the things they do.
- There's also the Outsiders, who are explicitly not associated with the Down Below, but tend towards Always Chaotic Evil, and have as their goal the destruction of reality. They also have hordes, legions and legions of them, trying to break into reality constantly.
- The Legions of Hell feature prominently in The Riftwar Cycle, particularly the Serpentwar and Demonwar subseries. Essentially, this setting has reality in metaphysical layers, with each layer being more dangerous than the one above it- any layers below yours can be considered hell (and yes, this means that the mortal world is considered part of hell by angels, who come from the upper levels). Demons come from the fourth and fifth layers of reality below the mortal world, and have repeatedly tried to conquer it in order to feed on the life force of its inhabitants. There's also the Dasati, from the layer immediately below ours, who aren't demons per se but as an Always Chaotic Evil Proud Warrior Race they're still plenty nasty and their reality is the first level of hell from a human perspective. On the levels below The Legions of Hell you start getting really bad things.
- Wolf in Shadow by David Gemmell has the Hellborn. Even though they are humans, they are Satan-worshippers and explicitly model themselves after this trope.
- The Otherworld Series has the demonic armies of the Subterranean Realms.
- The Old Ones from The Power of Five.
- Buffy the Vampire Slayer and Angel explained that there were a countless number of hell dimensions. Both Buffy and Angel have been to a few. At least twice on both shows, Hell is said to be Earth itself.
- Brimstone was about a damned soul who made a deal with The Devil to get out of Hell, if he recaptured a set of other damned souls who had escaped.
- Power Rangers has a few seasons with monsters that are the closest the series is willing to get to actual hellborn foes. All of them have involved the "release all denizens to bring about The End of the World as We Know It" plot:
- Power Rangers Lightspeed Rescue's villains from the "Spirit World" are explicitly called demons, and there's even one instance of a deal with one.
- The villains of Power Rangers Mystic Force come from a place called the Underworld and are ruled by a monster that has Demonic Possession in his arsenal.
- Power Rangers Samurai has the Nighloks, who come from the Sanzu River (the Japanese idea of the River Styx).
- In addition, Power Rangers Ninja Storm had a similar principle, where Lothor's monsters were sent to the Abyss of Evil when destroyed. Lothor's plan was to have the Rangers fill the Abyss until it burst, causing an en masse monster resurrection.
- Supernatural had the legions of hell bust loose at the end of season two. They fight them for the rest of the series, on and off, though not as much after defeating Satan at the end of Season Five, and less still in Seven, largely because they were so nerfed . Offscreen Moment of Awesome when the angels (with Castiel apparently taking point, or at least the last survivor of those who took point) laid siege to Hell and cut their way in to rescue Dean, allowing him to get out of Hell without giving in to Power Creep much. (Dean actually took a hit to his power after Hell due to PTSD, though in the Bad Future he was using his education there for Jack Bauer Interrogation Technique.)
- In Devil's Dare, the Devil is accompanied by a flock of green-skinned leathery-winged lesser demons.
The Qur'an mentions this tropes in Surah 96 (Al-'Alaq) in a Badass Boast from Allah.
- Have you seen the one who forbids a servant when he prays? Have you seen if he is upon guidance or enjoins righteousness? Have you seen if he denies and turns away - does he not know that Allah sees? No! If he does not desist, We will surely drag him by the forelock - a lying, sinning forelock. Then let him call his associates; we will call the angels of Hell. (variant translations have "guards/soldiers" of Hell)
- In the Old World of Darkness RPG Demon: The Fallen, demons that escaped from Hell are the player characters; the angels have long since vanished. Whether the demons are antiheroes or atoners is up to the player. Their former allies have become the Earthbound, who have gone mad from indeterminate amounts of time being Sealed Evil in a Can.
- Similarly, the Spectres fulfill this role in Wraith: The Oblivion, with the Malfeans being the overlords waiting til they get to eat reality. The various servants of the Wyrm in Werewolf: The Apocalypse might also count.
- The New World of Darkness has, as of Inferno, introduced Hell into the setting. Hell plays host to a number of demons that are born of the first fleeting moments of human wickedness, who occasionally come to humans and offer them great power for a little price... For extra fun, ghosts and 'regular' spirits can be corrupted into demons too.
- The nWOD's Demon: The Descent is a subversion - the PCs are fallen angels, but Hell is their goal, not their home. Hell is a symbol to them, signifying freedom from their former master, the God-Machine, however they choose to go about it.
- One of the main factions in Warhammer 40,000 is Chaos, spewing forth from the Eye of Terror: a rift in spacetime that allows access to the Warp, a nightmare realm made of the emotions and thoughts of the entirety of sapient life in the galaxy.
- Chaos comes in three main flavors. You have your standard daemons, entities formed from the aforementioned thoughts and emotions of mortals who are usually aligned with one of the main four Chaos Gods. You have legions of power armor-wearing Super Soldiers, sometimes bearing some nasty mutations and "gifts" from the gods, each led by an immortal Daemon Prince. Finally you have the more subtle angle; cults disguised as innocuous organizations, daemonic possession of unidentified psykers, and the manipulation of Genre Blind individuals. Hilarity Ensues.
- The older Warhammer Fantasy Battle game also includes Chaos as a faction, with the same lineup of evil gods. In addition to Demonic Invaders, the Chaos army also includes tainted mortal warriors and twisted beastmen, all sweeping down from the Grim Up North and corrupted forests.
- Dungeons & Dragons draws a distinction between Devils, who are Lawful Evil and Demons, who are Chaotic Evil. The former are a race of Chessmasters who seek to conquer the universe, whereas the latter are out to destroy all of creation. Each has their own home plane: The Nine Hells of Baator for the devils, and The infinite Layers of the Abyss for the demons. Both races have armies of astronomical size, but fortunately for the rest of creation, they occupy most of their time fighting each other in an eternal conflict called the Blood War.
- Devils even include "Legion Devils"... the literal Legions of Hell.
- Between Demons and Devils lie the Neutral Evil Daemons, although they tend to get forgotten in scenarios in favour of their cousins.
- Yugoloths fit best with the Demons, so they were all shipped to the Abyss in 4th Ed.
- Like the WoD example above, another Tabletop Game, In Nomine, gave players a chance to enact this trope as demons operating on Earth. Unlike the above example, however, it gave an equal chance to fight for the other side, too.
- Well, not so equal, because Angels have higher stats, and a military organization to support them. Demons have to work undercover and are more weak. The reason? All of this is a Game, and God is a cheater...
- Exalted has a really bizarre hell. It's ruled over by the Yozis (who, as the Primordials, created the world and ruled over it until the Exalted deposed them), and the Can keeping them Sealed is the inside-out body of the mightiest of their number. Each Yozi has a large number of souls, which are the immensely powerful Third Circle Demons. Those have souls which are the Second Circle Demons, and all of the above created the hordes of Mooks that are First Circle Demons.
- Exalted also has the Underworld, the inverted shadow of Creation created when the Exalted armies killed some of the Primordials. Killing beings who could not die caused so much chaos that the Exalted decided to seal the rest of the Primordials away instead of killing them, turning them into the Yozis. Because the Primordials were outside the limits of death and time, however, they didn't actually die but instead became creatures now known as the Neverborn, intent on ending their existence by sending their own legions of the dead to take the rest of Creation down with them.
- Infernum is a third-party setting that uses the 3.5 rules for Dungeons & Dragons and, as the name suggests, this trope is all over it. In fact, the default assumption is that the party members are demons. It has heavy roots in Christian beliefs, mainly Dante's Inferno, but is twisted and changed into its own unique setting. For a start, the demons are the result of vile crossbreeding experiments conducted between rebellious angels and "spawn" (prototypes of earthly lifeforms) in an effort to breed warrior-slaves... only for the demons to decide they didn't like the idea of being cannon fodder and promptly devour every last one of their "fathers" that didn't run for their life clean out of reality. Many demons at least profess not to believe in Heaven, and almost none believe that it's anything like the humans think it is (the Fallen Angels can't comment, having forgotten everything down to the reason why they Fell in the first place). There's also vague hints of even stranger forces in the multiverse; Benandanti are humans "touched" by nature spirits, whose souls travel to Hell in the guise of werewolves to steal souls to restore the vitality of nature, while Brokenlanders are the ghostly remnants of Quilipoth, another universe so ancient there's nothing left but a single ringworld orbiting the last dying cinder of a star.
- One of the stories in Rifts is the "Minion War", a war between two separate Legions of Hell: The Demon of Hades, and the Deevils of Dyval. It's beginning to spill over into other dimensions.
- Magic: The Gathering has a variety of demons and similar events. The best known legions scenario was in the Invasion block, which had the biomechanical horrors of Phyrexia invading the plane of Dominaria.
- In Deadlands, the manitounote are responsible for creating... well, technically every single ghoulie and monster in the setting. They also fuel the spells of Hucksters, are the ultimate cause behind the Science-Related Memetic Disorder of the Mad Scientist "class", and are the secret source behind the ghost rock that drives the Cattle Punk of the setting. The manitou's efforts occasionally bite them on the ass; most prominently, while many corpses possessed by a manitou rise up as Walkin' Dead, a rare few instead become the Harrowed, which are intelligent zombies, with the manitou constantly struggling with the original personality for control over the body, who can and often do use their supernatural powers to battle the manitou's purpose.
- Apophis Consortium's Obsidian: Age of Judgement, has the forces of hell take over the world for centuries, reducing humans in North America to living in scattered communities or the sole fortified Hive City while Europe has been completely subjugated. It's so bad, that humans don't know that there are places outside of their respective continents and while bionics and gun technology have improved to new heights, flight has become a lost technology.
- Red Spire Press's D20 game Dark Legacies has a far future Earth suffer both a dimensional migration of low-tech races and then an invasion by demons. If it weren't for a rising religious order with holy magic and alliances with some of these new races, the demons would have completely wiped out humanity. As it is, despite being thousands of years in the future, humans have been reduced to steam tech and crossbows as the height of technology.
- Doom and its sequels involve an invasion from Hell. While many many video games (eg Quake, Half-Life) are based around monsters pouring forth from another realm, Doom is one of the few to go the whole hog and use Hell itself (although Satan himself is conspicuously absent; the best you get is the "Icon of Sin" in Doom II, which is a giant satyr head with an exposed brain that spawns other demons you have to shoot rockets down, and the "Mother Demon" in Doom 64).
- Both the contemporary novelization and the later movie avoided this trope, by using aliens and genetic engineering respectively.
- The Diablo video games are about the Legions of Hell attempting the world's destruction. While in the first part you venture ever deeper into ever more nightmarish caverns, in the second game the last act is in Hell, and in the third game, the Legions of Hell storm Heaven itself, and you have to go to Hell to shut down the gateways they're using to invade. The expansion to the second game is about an attempt to graft Hell and the mortal world together, and there are portals to Hell where you can go and loot stuff.
- Oblivion and the Daedra from The Elder Scrolls games.
- Mehrunes Dagon's Daedra & The Dremora (his favorite servants) are much like this due to their innate destructive impulses. Most lesser Daedra (and what passes for 'animals' in the daedric planes) are hostile to the majority of mortal peoples and wreak major havoc in Tamriel unless their leading Prince restrains them. The Princes themselves largely follow Blue and Orange Morality (occasionally happening to align with human virtues) and therefore do not fall completely under this trope unless they're in the mood for some genocide.
- The Burning Legion in the Warcraft series, an army of demons whose goal is to unmake the universe. They scour all life from the planets they conquer, and the only beings they spare are those whom their leaders deem fit to be "recruited", corrupted and pressed into their crusade.
- A important chunck of backstory for all Ogre Battle games was once that the Underworld's armies of Demons, Ogres and other such nasties invaded Earth, who were aided by Heaven's armies in the titular "Ogre Battle". The Underworld lost, but parts of the legions can still be summoned by humans. They are often very important plot point, like in Ogre Battle March Of The Black Queen, where Rashidi contacts a General of said Legion, Galf or in OgreBattle 64: Person of Lordly Caliber is a bunch of Ogres being summoned by The Holy Lodis Empire. However, in battle, you can persuade some of them to join you!
- Most enemies in Ghosts 'n Goblins can be described thus.
- Painkiller is about the legions of Hell invading another world, although it's another afterlife instead of a physical world. Purgatory, to be specific.
- In Neverwinter Nights: Hordes of the Underdark, Mephistopheles forms his army from the souls of betrayers sent to his realm after death
- In Hellgate: London, demons have decided to start off their invasion of the world in London, and it's the players' task to stop them.
- Final Fantasy II outright stated at the beginning that the Emperor of Palamecia summons these to launch his campaign for world conquest.
- Members of The Legions of Hell feature in several Shin Megami Tensei games. Most notably so in Nocturne, in which the protagonist becomes half-demon, half-human that can survive The Conception thanks to the involvement of an oddly creepy child and an old man in a wheelchair. And in the game's 'worst'/awesomest ending, said protagonist becomes the general of Lucifer's armies and leads said Legions to the final battle in the war against Heaven.
- Dante foils demonic puppets, demonic sand creatures, demonic clowns, demonic businessmen, demonic cultists, etc.
- The Heartless of Kingdom Hearts are, as that trope describes, The Virus made from the 'darkness' in human hearts. The original "Pureblood" Heartless are entirely Made of Evil and have been around for a long time, but it wasn't until a Mad Scientist started messing with them that they became the world-devouring threat they were by the first game. The sequel adds gray-bodied Nobodies, the cast-off shells of Heartless victims.
- The Ing of Metroid Prime 2 are made reminiscent of this. They are just transdimensional beings though. They possess creatures and even come from Dark Aether, a dimension that kills any "light creature" (anything that is not Ing) almost insantly.
- The Darkspawn of Dragon Age: Origins are a kind of plague Orcs. The Chantry's version of the Darkspawn taint's origin makes the Darkspawn seem demonic - they were overambitious mages who tried to physically break into Dream Land and find the mysterious Golden City at its heart, which the Chantry believes to be the home of the setting's God. It spat them back out as twisted monsters who started a centuries-long cycle of pain. The sequel's Legacy DLC reveals there's some truth to this, although the City may have been "corrupt" before they got there.
- The game does feature actual demons as well, which are evil spirits from the Fade that possess the living or dead bodies of human beings, usually a mage due to their ability to go to the Fade in the first place, and feed upon the psychic energies of living beings. There are five known ranks of demons; Rage, Hunger, Sloth, Desire and Pride, in order both of strength and intelligence of the complexity of the emotion they are feeding on. Destroying the host only sends the demon back to whence it came unharmed, and though some demons are able to manifest in the physical world alone, killing them seems to have the same effect. Their hosts usually mutate when possessed into a Humanoid Abomination of varying degrees of Body Horror. Demons are rarer than Darkspawn, but are broadly smarter, stronger and more dangerous. In a twist on this there are actually good or neutral spirits with little or no interest in mortals, one of which possesses a corpse totally by accident in the expansion. According to him the idea that demons destroyed in the real world return to the fade is false, and he never does find a way to get home.
- in Dwarf Fortress, this is the "Hidden Fun Stuff" that you come across if you dig too deep .
- You have discovered an eerie cavern. The air above the dark stone floor is alive with vortices of purple light and dark, boiling clouds. Seemingly bottomless glowing pits mark the surface.
- Horrifying screams come from the darkness below!
- The Legions of the Damned are one of the playable factions in the Disciples turn-based strategy series. Their leader, Bethrezen, is given a somewhat sympathetic backstory, but the Legion's Mooks are unquestionably the nastiest faction in the game.
- The Bydo in R-Type are arguably this, even though they were created by humanity. Thing is, they were locked into a pocket dimension (read: the future Hell) after they proved to have Gone Horribly Right, and they were able to use it as a staging ground to attack humanity several centuries into the past. Now consider that there isn't all that much reason—at least, nothing mentioned in-game—to believe they would have restricted themselves to just the recent past...
- In Bujingai, the earth is overrun with demons of various kind. It's implied that their mooks (seen as golem-like warriors with seals and swords) were once humans turned into monsters by a strange radiation.
- The Kreegan infestation in Might and Magic is (in-universe) commonly thought to be this (especially played up in Heroes of Might and Magic III). As it turns out, they are actually alien invaders that sweep across the Galaxy as a as a plague of locust... and happen to look like the common myths of devils and demons (or possibly have breeds that look like the actual devils and demons).
- Ancient Domains of Mystery has the Forces of Chaos, an endless amount of reality-defying horrific beings from another dimension. They are invading the world of Ancardia, the setting of the game. They have The Corruption on their side, turning normal people and animals into more of them (after some Body Horror).
- The primary enemies in Kid Icarus and Kid Icarus: Uprising are the Underworld Army, a diverse assortment of monsters who serve Medusa and Hades.
- Avencast: Rise of the Mage sees a daemon invasion into the Wizarding School setting, followed by a counterassault on Morgath's turf.
- Saints Row: Gat Out of Hell: You have to fight through demons, damned corpses, fallen angels and Satan himself.
- Dark Souls has a mess of rather varied demons roaming throughout Lordran, although they are fairly new to the scene, having only come about when the Age Of Fire started to decline and the Witch Of Izalith tried to recreate the First Flame. Her old base of Lost Izalith has since become a textbook Fire and Brimstone Hell, and her seven daughters have either died, gone mad or turned into similarly demonic, lava infused Spider People.
- Quest for Glory III features an attempted invasion of demons that the hero must thwart. They are led by a Demon Wizard who itself serves a Demon Lord that, if it manages to enter the world, immediately destroys it through its mere presence.
- The main bad guys in Sakura Wars are demons.
- The Fek'Ihri in Star Trek Online are supposedly this. They claim to be the army of Molor, a tyrant who ruled the Klingon homeworld hundreds of years ago, who were cast into Gre'thor by Kahless the Unforgettable and have now returned to take revenge on the Klingon Empire. They come in a wide variety of forms and even have a fleet of warp-capable starships they use to invade Qo'noS. While some evidence is found that they may have been created using technological means instead, we never do find out the truth.
- The Dimension of Pain from Sluggy Freelance fits this trope to a T, complete with being the launching pad for a demonic invasion of another, more peaceful dimension. Little is seen of the actual Hell, however, and even then it only appears in the B Side Comic.
- Demons are trying to open a gateway into the world in Planes Of Eldlor. Seeing as they are described as having an army at the ready, they are probably not looking to enter peacefully.
- These used to exist in Dominic Deegan, until Karnak blew up Hell. No word on whether any survived Hell's destruction and Karnak's subsequent self-coronation.
- The "demonic hordes" are the main antagonist of The Senkari, although it's not clear whether they're really evil or just on the other side.
- In The Gamer's Alliance, demons appear as antagonists who come from another world and attempt to invade the Land of the Living several times over the millennia first for the glory of their god Mardük, the God of Chaos, and later for themselves after their god is killed.
- Downplayed in The Salvation War, where the demons are apparently genetic offshoots from human ancestors — and are completely mortal. Superhuman strength, speed (on foot at least), some with wings, and not a few with powers, but all killable (AND HOW!). They only managed to successfully invade mostly empty desert before being pushed back into Hell and then being invaded by HUMANS. Heck, a human kills Asmodeus with multiple sniper rifle bullets to the head, and there's nothing showing that Satan isn't mortal too. In fact, he really only survives a recent attempt by the humans to assassinate him by bombing his palace by sheer luck; he just happened to be out of the city at the time. The angels appear to be slightly tougher, and much faster, but by no means immortal themselves.
- Satan was killed when he took two anti-ship missiles to the face, although he would have actually survived and possibly recovered from the first.
- They may be killable, but they seem to live pretty much forever if they avoid a violent death.
- In the South Park episode "Best Friends Forever," the forces of heaven fought back the forces of hell with the help of Kenny and a divine Sony PSP. The legions themselves owed much design- and action-wise to the Orcs from Peter Jackson's Lord of the Rings films.
- Ghosts, demons and dark gods in The Real Ghostbusters (and Extreme Ghostbusters) come from various places, sometimes other dimensions. The Ghostbusters capture them and put them into their "Containment Unit." Over the years, the Containment Unit's inner environment has become a type of Hell due to its growing number of inhabitants. Having to journey into the Containment Unit and battle old foes now teamed together, or the threat of the Containment Unit being broken open and bringing about The End of the World as We Know It, are common plots.
- The Legions of Hell show up as the Mooks of the fourth season of Teen Titans, with their boss Trigon as Big Bad and Slade as The Dragon. They try to bring about The End of the World as We Know It and come within a hairsbreadth of succeeding. And yes, this is from a kids show that's normally a lighthearted action-comedy.
- The Dark Spirits of Book 2 in The Legend of Korra are portrayed as such, with Big Bad Vaatu as their master and Unalaq as The Dragon. Like in Teen Titans they also help their master bring about The End of the World as We Know It and bring humans under Dark Spirit rule.
- The setting of Jimmy Two-Shoes is heavily implied to be Hell, and in the original pitch it officially was. The citizens are just one of the reasons why its obvious it's Hell, with all the monsters and demons.
- In Futurama: The Beast With a Billion Backs, Bender recruits an Army of the Damned from the Robot Devil to take over Earth. After every living being in the universe decides to move in with Yivo instead, he leads the army in a pirate-themed attack on Yivo Shklerself.
- In Wakfu, the Sushu armies certainly fit the description, a horde of evil beings who seek only to destroy anything good or beautiful.