Ambient

* Dust Devil (hazardous wind vortex, grows with every kill)

* Mimic (mimics small items like weapons, supplies, or keycards)

* Seeker (armor, active camo, corrupts robotic assets)

ATLAS mechs (manned by Pilots) - "Armored Terrestrial Logistic and Attack System"

* Falcon (rocket launcher, cluster missile, tether mine, lateral dashes, hover jets, rocket barrage)

* Firebolt (railgun, homing rockets, shield wall, sprint, tactical nuclear shell)

* Onslaught (chaingun, heat blast, shoulder autocannon, gun shield, bullrush, homing burst)

* Pulsar (plasma cannon, projects reflective particle shield, gravity bomb, sprint, particle accelerator)

* Stryker (auto shotgun, broadsword, tesla missile, sword block, lateral dashes, phase dash, empowered sword, nuclear ejection)

* Common abilities include regenerating overshield, ammo fabricators, reinforced armored hull/weapons, electric smoke discharge, expendable wrist-mounted plasma knives, Pilot ejection on self-destruct

Baalgar Lord (Annihilator Cyberdemon)

* Immune to hard falters, splash damage, and plasma

* Phase 1

* Blade and cannon can be crippled but regenerate

* Charged laser blast

* Energy waves from arm blade

* Explosive foot stomp

* Fissure wave

* Flaming bullrush

* Redirects soul attacks

* Rocket volley

* Phase 2

* Same as above; grows in height and power

* Blade and cannon are more resistant

* Earthshatter - Generates mountain ranges, volcanoes, lava flows

* Groundspike wave

* Meteor shower

* Missile bombardment

* Traps Slayer within a personal Hellscape or pocket dimension known as an Iblis Realm

Barons of Hell

* Common (throw fireballs, project flame shields)

* Deathclaw Baron (slicing claw waves and groundspike waves)

* Common abilities include being able to indefinitely summon legions and empower them with increased aggression and speed, induce environmental catastrophes, create unique demonic constructs, rage mode when companion is slain, and resistance to fire/lava.

Cacodemons

* Cacospectre / Cheshire Caco (partial invisibility, teleporting, creates aggressive illusions, attacks have slowing stasis fields, focused energy beam, two eyes at ends of destructible arms, can vanish to leave only mouth behind)

* Common (lightning balls, lightning burst, mouth is weak spot, can survive being blinded)

* Cyber Cacodemon (armor, electric hazards, no weak spots, hazardous holograms, lateral dashes)

* Manticore (arcane explosions, lightning storms, damaging miasmas, incendiary beam, inhaling attack)

Carcass

* Carrion (mutated mimic; highly intelligent/adaptable; consumes demons/humans to gain biomass and evolve powers; resistance to electricity, weakness to fire; travels via pipes/vents)

* Maggot (2-headed humanoid chimera; impaling tongues, spits acid)

Constructs

* Blood Prism (crystal and gore; beam attacks, overshield, armor, destroys cover)

* Rustmonger/Triceratoptron (ancient Martian war machine; proton beam, cluster missiles, teeth/claw attacks, soul shield, armor, subterranean burrowing)

* War Husk (flesh and metal, consist of human pilot inside crude cyberdemonic mech; tentacle arm attacks, binding tentacles, armor, plasma mortar)

Cybruiser (Extinctor Cyberdemon)

* Body is resistant to guns but not spells; cannon and robot leg can be crippled with guns

* Enhanced vision

* Explosive lightning strike

* Explosive runes throghout arena

* Foot stomp creates area-denying electric barrier

* Sticky explosive bolts

* Summoning

Deraki (sapient humanoid demonic race)

* Ancient (spike throw, demon summon, demon control, burrow)

* Desolator (Shock Disruptor, claws, illusion/hologram, flight)

* Ravager (Reaper rifle, shell shield, stun baton/warhammer, leap)

* Vile (scorn bolts, chain bind, mana drain, blink teleport)

Europa life-forms

* Brinewing (spits freezing supercritical brine)

* Crabsquid (intelligent social creatures; electrokinesis, teleportation)

* Darktopus (mysterious intelligent predator; camouflage, energy drain, energy pulse)

* Europan Hookmouth (shark)

* Eye jelly (electric shocks, can hypnotize with large eye)

Gargoyles

* Hellbats (flight, spit fireballs, talon strikes)

Godbeast (ancient Ancestral of unknown origin)

* Over 600 meters tall

* Asymmetrically Permeable Shield (electromagnetic shield that is all but impenetrable even to S-tier Forsworn warriors)

* Atomic beam (produced by charging and directing EM shield)

* Atomic breath (nuclear plasma torrent from mouth)

* Dimensional beam (opens dimensional rifts)

* Dorsal streams (plasma beams fired from dorsal plates that can track many moving targets)

* EMPs from foot stomps

* Exceedingly high natural durability, thanks to biometallic crystalline armor

* Plasma Wave (released via tail slash)

* Regeneration

* Summoning (produces flying dragon-like Servum composed of its same biometallic crystal armor, which can release lightning attacks and EMPs)

* Super Oscillatory Wave (supercharged sonic roar)

Goetic Troopers (sapient cultists UAC operatives)

* Disciple (dual knives, knife block, spawns enemies from demon gore, turns supplies into mimics, psychic beam when Slayer is in Clearsight, releases malware worm on death, psionic emitters that hasten demons or slow Slayer)

* Preacher (blade chain, chain parry, explodes demon gore, spawns Evil Eyes/Fireblu Torches, psychic scream when Slayer is in Clearsight, injects malware viruses on contact, psionic emitters that heal demons or damage Slayer)

Griefers (sapient cyberdemonic UAC operatives, wield standard UAC firearm and sidearm)

* Camper (grapple hook, shield cover, sniper rifles)

* Gambler (obnoxious cosmetics, distracting RGB Field, Midas Grenades, calls in Loot Boxes containing rare and powerful drops)

* Hacker (sonar pulse, aimbot, smart pistol)

* Rager (heat wave, riot shield, explosive charge on low health, constantly spouts vulgarities that make zombies more aggressive)

* Rambler (hijacks PA systems, Sentry Turret, Kinetic Mine)

* Stalker (active cloak, silenced pistol, Neural Knife, personal teleporter)

* Spammer (overclock, satchel charge, grav mines, grenade launchers, drops grenades on death)

* Common abilities include using environmental supplies and calling in air support, resupplies, and reinforcements; frequently infight among themselves and other demons to scavenge supplies or achieve killstreaks

Haunters

* Briers (the Upside-Down, pass through walls/ceilings and launch thorny vines/barriers)

* Gaunts (shamblers that spit harmful blobs of tissue)

Hell Hunters (elite Hell Knight enforcers)

* Armored Hunter (regenerative Spiritual Armor, which is invulnerable to all attacks except BFG and soul weaponry; lightning balls, ground shockwave, electric burst when armored; lightning strike, anti-explosive discharge, and deflective particle shield when unarmored)

* Brawler Hunter (base powers include explosive melee strikes, flaming groundspike wave, and ability to deflect Blood Punches; in 1st phase is resistant to melee attacks; in 2nd phase is resistant to ranged attacks, goes Berserk, gains melee combos, Meteor Strike, grabbing crush attack and powerful fireball)

* Helltime Hunter (in 1st phase has buffed speed, can deflect bullets, has powerful scythe charge and speed-draining energy wave; in 2nd phase loses speed buff and previous attacks but gains short-range teleport; in 3rd phase regains speed buff and original attacks, and gains rapid-fire speed-draining projectiles)

Hell Knights

* Blood Knight (incendiary hazards)

* Bruiser Knight (destructible armor, dual rocket launchers, machine gun, battering ram, mini pulse cannon, retractable face screen)

* Common (fireballs, ground slam, heavy punches, may catch grenades/rockets and throw them back)

* Cyber Knight (destructible armor, minigun, dashes)

* Cyber Paladin (destructible armor, reflective shield, rocket launcher)

* Falcon Knight ("Birdman")

Hellgrowth

* Core Tentacle (hidden tentacle nest with secondary razor tentacles and primary tentacle with eye that shoots fireballs and flame waves)

* Flesh Spawn (floating suckers)

* Gore Mouth (kills and devours prey, assimilating them into Hellgrowth)

* Gore Nest (serve as demonic communication/reinforcement channels to Hell; summon demons when destroyed)

* Pustule (burst in acid)

* Tendrils (bind and drag victims towards Gore Mouth)

* Tentacle (strike at victims)

Imps

* Common (throw fireballs, can crawl on walls and ceiling)

* Dark (fast fireballs, homing fireballs)

* Nightmare Imps (fast/homing fireballs, short-range teleports, mid-range phase shifts during which turn invisible, cannot pass through walls but phase-shift modules are reinforced)

* Pyro (incendiary attacks)

* Splicers (no ranged attacks, appear in male and female varieties)

Large

This book is hosted on another platform. Read the official version and support the author's work.

* Basilisk (flying serpents; highly resistant to damage, launch projectiles from body segments and paralyze victims caught in gaze)

* Bonecrawler (skeletal beast)

* Hellstorm Pylon (living perimeter cannon; shoots lightning and railgun slugs)

* Nuclear Godkiller (nuclear fireballs/beams/firewalls)

* Stormbane (produces noxious drifting stormclouds, thrashing tentacles, will descend and swallow prey whole)

* Void Gazer (distant demonic Void entity, sunders everything caught in its entropic gaze)

Lost Souls

* Common (swarm and bite target)

* Cyber Soul (fires shrapnel, kamikaze on low health)

* Forgotten Soul (psychic screams that bypass ARMOR, may spawn Ethereal Souls on death)

* Rictus (shoots fireballs)

* Terror (kamikaze)

* Tormented Soul (replaces standard zombie head and turns host into Burning Zombie)

Maledict

* Vulnerable to lightning

* Destructible armor; flesh is vulnerable to slicing but armor isn't

* Phase 1

* Gravity control

* Lightning breath

* Psychic roar that bypasses defenses

* Phase 2

* Same as above; gains wings

* Black hole generation

* Energy waves from wings

* Hurricane winds

* Lightning bombardment

* Portal generation

* Summoning

* Time dilation

Mancubi

* Common (partially armored, produce hazardous discharge, shoot flaming bile, shoot harpooning tendrils from mouth for strong bite, can summon lesser demons)

* Common abilities include resistance to acid/nukage, damaging explosion on death

* Volcabus/Volacubus (volcanic variant; partially armored, launches lava fireballs and lava waves, incendiary beam from eye, can rocket jump with arm cannons)

Miscellaneous

* Burning Cross (main body is immune to physical attacks; central body is protected by energy shield; slicing beam; destroys cover)

* Clawsquid (pack predators, fast flight and running, sharp claws, whips with head tentacle, summons arcane explosions)

* Devil Cricket

* Ember Spider

* Grell (floating mouth; spits acid)

* Gremlin (small brainy spider)

* Hellion (humanoid Hell centipede; burrows through ground and launches ambush attacks)

* Inout (large inside-out beast)

* Liminal Mimic (mimics human survivor from a distance)

* Mother Demon (human-demon chimera; flame pillars, flame waves, flame walls, telekinetic throws, spawns Putti)

* Nightflyer (swarm behavior, slicing dive, spike-feather projectiles; resistant to most damage except fire and explosives)

* Pale Spider

* Putti (insectoid infant-like creatures; stingers, vomit/launch corrosive effuvium)

* Scrag (floating snake-like humanoid; spits fireballs)

* Scylla (impaling charge, fire breath, spike breath, poisonous tail stings, grabs and swallows prey whole)

* Shadow (life-sucking parasite that clings onto prey, burn away by entering lava or other high-energy hazard)

* Shrike (biomechanical pterosaurs; flight, missile/beam attacks)

* Stormbeast (flying fish with several mouths and tentacles; destructible armor)

* Striga (corrosive half-humanoid bloody sludge, passes through matter, drags prey into pocket dimension, heals when passing over blood)

* UAC Blackwatch Trooper (elite UAC armament, mid-range phase shift, active camo, Neural Knives, nanite swarm pods, explosive self-destruction on death)

* Velcore (impedes Slayer from resupplying from demons; spike tail grapples demons away from Slayer; eye beam kills weak demons)

* Vulgar (undead demonic vulture; throws fleshy rinds)

* Waspids (vicious swarms; spit noxious venom)

Pilots (intelligent UAC mech operatives, wield standard UAC firearm and sidearm)

* Omicron - use Active Camo for partial invisibility

* Helix - use Echo Drones for distracting holograms

* Prime - use Kinetic Armor, which deflects bullets; ineffective against plasma, melee attacks, or splash damage

* Vector - use Overclock which boosts speed

* Common abilities include regenerating exosuits, ammo fabricators, wall-runs, lateral dashes, grapple hooks, ordnance knives, and calling in ATLAS mechs; can command Griefers and Revenants

Pinkies

* Blind Pinky (unarmored but has reinforced skin, invisible, blind but tracks targets through sound)

* Blood Pinky (fully armored, leaves fire trail, can breath fire at short range)

* Cyber Pinky (armored front, destructible cybernetic back, maneuverable and agile, suicidal charge when robotic back half is destroyed)

* Common (partially armored)

* Pinkinator (projectile acid attacks, spawns Pinkies, crushing attacks)

* Spectre (unarmored front, reinforced cybernetic back, maneuverable and agile, spectral bullrush that bypasses defenses)

Prototron (human-demon super-prototype of Arachnotrons)

* High intelligence, is capable with bioengineering and technology

* Mind control

* Plasma cannon

* Telekinesis

Prowlers

* Common (powerful claws, launches fast projectiles that lead target, rapid teleportation and short- and mid-range, purple flame wave; resistant to falters, fire, and soul weaponry)

Revenants

* Centurion (Hellish Revenant; rapid-fire pulse cannons and laser beams; fireballs, flame waves, life-draining melee attack)

* Common (missile launchers, homing volleys, lateral dashes, limited flight, summons lesser demons)

* Cyber/Tech Revenant (destructible armor, plasma rifles, laser beams, overclock, repulsive melee strike, enhanced flight)

* Ghoul (active camo, Vortex Cannons, teleports instead of dashing, reinforced phase shifts instead of flying, spectral melee attack that bypasses armor)

Robotic

* Argus (agile/nimble flight, hyperspectral omnidirectional vision, active camo, homing micromissiles, explosive seeker microbots, eletric tail strike)

* Assault droid (armor, heavy infantry firearms, explode on death)

* Assault drone (flight, machine gun/rocket launcher, kamikaze on low health)

* Attack drone (bomber/gunner)

* Black Bee (teleportation, flight, javelin gun, stun bombs)

* Hunter Droid (armor, heavy pulse cannons, shield wall, plasma punches, ground slam, resistant to demonization)

* Hunter Drone (flight, armor, heavy pulse cannons, kamikaze on low health, resistant to demonization)

* Mk 3 Scout Bots (recon models; blink teleport, translocation orb, overshield, portal guns that project stable wormholes)

* OCULUS (flight, overshield, laser beam, distracting holograms) - "Optic Cerebral Unit and Logic Utility System"

* Security droid (light infantry firearms)

* Security drone (flight, machine gun/plasma rifle)

* Viscera Cleanup Drones (simple pincers and cutting laser)

* Resist infighting among themselves and continue fighting despite dismemberment, but may target other demons even if corrupted

Spectral

* Blood Spirit (invulnerable to physical attacks except plasma; possesses single demon, inflicting it with violent madness but empowering it with greater damage and speed)

* Ethereal Soul (spirit Lost Soul; invulnerable to physical attacks except plasma, resurrects one common non-gibbed demon at a time)

* Ghost (spectral humanoid; pass through surfaces, bypass ARMOR, trail after-images, resistance to falters, invulnerable to physical attacks except plasma)

* Poltergeist (invisible spirit, offensively launches nearby ammo packs; damage by shooting levitating projectiles, or reveal with Clearsight and attack with plasma weapons)

* Spirit Summoner (invulnerable to physical attacks except plasma; possesses single demon but buffs all nearby demons with falter resistance and no weak points)

Summoners

* Common (lightning strike, lightning barrage, summons and directs lesser demons)

* Dimensional Shambler

* Gehenna (razor strings, razor webs, reanimates intact demon corpses into undead Marionettes - can only be destroyed with fire, explosions, or by slicing strings)

* Harvester (plasma fireball/volley, plasma barrage, life force drain, summons corrupted robots)

* Common abilities include overshields and phase teleports

Verimor (sentient robotic alien race, once allied with Argenta in Corrax Alliance)

* Drone (zero-point disruptors/nuclear decoherers/positron beamers; melee arm)

* Vindicator (unique enemy; flame sword, ion cannon, blink teleport)

* Common abilities include mode switch (transform between agile walking mode and faster vehicle mode - either land- or air-based) and reinforced armored bodies capable of regeneration (composed of virinium, a programmable metallic matter highly resistant to damage)

Zombies

* Apostate (explosive Hell zombie, spawns Ricti Lost Souls on death)

* Axe zombie (slightly faster than standard zombies)

* Burning zombie (incendiary attacks)

* Chainsaw zombie (slightly faster than standard zombies)

* Chainstrosity (4 chainsaw arms with 2 of those being robotic/destructible, destructible armor, resistant to bullets/shells, enhanced mobility, blade vortex attack)

* Damned (Hell zombie)

* Elite Commando (E1M1 chaingunner; destructible armor, minigun)

* Exo Zombie (power armor, SMG gauntlet, micromissiles, sticky rocket, enhanced mobility)

* Flamer soldier (flamethrower, air blast)

* Glitcher / Tentacle Commando (enhanced speed, erratic teleporting, resistant to most damage, immune to headshots, extendable dual tentacle arms, can telefrag)

* Headless Kamikaze (holds 2 Terrors in hands)

* Hell Razer (Argent beam cannon, heavy fireballs, explosive heat waves, armor)

* Loader worker (industrial exo; armor, chainsaw/jackhammer/drill/gripper claw)

* Possessed engineer (explosive)

* Possessed scientist

* Possessed soldier (shotgun/rifle/plasma/railgun/rocket/ssg, can throw grenades)

* Possessed worker

* Radsuit zombie (filled with hazardous nukage)

* Sawcubus (dual chainsaws, biting mechanical head, enhanced mobility, resistant to bullets/shells)

* Shield soldier

* Trites (zombie heads that turn into spider-like creatures; may spawn from zombie corpses after being separated from body or if head is mostly intact)

* Z-Sec (resist infighting, short-range teleports, mid-range phase shifts that lets them pass through walls and turn invisible, rapid-fire Vortex Rifle that shoots through walls)