- "I've demonstrated there's no difference between me and everyone else! All it takes is one bad day to reduce the sanest man alive to lunacy. That's how far the world is from where I am. Just one bad day."
- ― The Joker (Batman The Killing Joke)
- "You didn't think I would risk losing the battle for Gotham's soul in a fist fight with you. No, you need an ace in the hole. Mine's Harvey. I took Gotham's white knight and brought him down to our level. It wasn't hard. See madness, as you know, is like gravity. All it takes is a little push."
- ― The Joker, The Dark Knight
The ability to cause others to go insane. Sub-power of Madness Manipulation. Variation of Mental Inducement. Opposite to Sanity Inducement.
Also Called
- Craziness Inducement
- Delirium Inducement
- Insanity Induction
- Madness Inducement
- Mind Blasting/Blowing/Breaking
Capabilities
User can cause madness in a person or group of people that have no mental illness, depending of the users will victims may go slightly loopy or lose total grip of reality, becoming delusional, lose control over themselves, paranoid, catatonic or hostile.
Applications
- Sanity Theft/Sanity Transferal
- Cause madness in a person or crowd.
- Create total anarchy when unleashing craziness to the world.
- Mental Breakdown
Variations
Associations
- Confusion Inducement
- Eldritch Physiology
- Insanity Absorption
- Madness Manipulation
- Madness Weaponry
- Mental Inducement
- Personal Demon Physiology
Limitations
- The victim may become hostile/dangerous to the user.
- People already with mental illness cannot be affected.
- Users of Psychic Shield (highly resistant) and Psychic Immunity (impervious).
- Users of Insanity Absorption can take the insanity from the victim.
- Can be reversed by Mental Healing.
- May not work on users with Indomitable Will.
- Does not work on those with Mental Disorder-Based Immunity.
Known Users
- Daniel Armand (The 4400)
- Yakko, Wakko, and Dot (Animaniacs)
- Thesulac Demons (Angel)
- Lorophage Demons (Angel & Faith)
- Lucy (Agents of S.H.I.E.L.D.)
- Toepick (Ben 10 Omniverse)
- Hazama/ Yūki Terumi (BlazBlue)
- Great Ones (Bloodborne)
- Celestial Children (Bloodborne); via Frenzy bite
- Winter Lanterns (Bloodborne); via Frenzy
- Glorificus "Glory" (Buffy the Vampire Slayer); a Side-effect of feeding
- Cthulhu (Cthulhu Mythos)
- Doctor Psycho (DC Comics)
- Joker (DC Comics); via Joker Gas
- Count Vertigo (DC Comics)
- Delirium of the Endless (DC Comics/Vertigo)
- Herman Carter/The Doctor (Dead by Daylight); via Carter's Spark
- The Brethren Moons (Dead Space)
- Sheogorath (The Elder Scrolls)
- The Ancients (Eternal Darkness: Sanity's Requiem)
- Mantorok
- Chattur'gha
- Ulyaoth
- Xel'lotath
- Black Guardians (Eternal Darkness: Sanity's Requiem)
- Bonethieves (Eternal Darkness: Sanity's Requiem)
- Gatekeepers (Eternal Darkness: Sanity's Requiem)
- Guardians (Eternal Darkness: Sanity's Requiem)
- Horrors (Eternal Darkness: Sanity's Requiem)
- Trappers (Eternal Darkness: Sanity's Requiem)
- Vampires (Eternal Darkness: Sanity's Requiem)
- Worms (Eternal Darkness: Sanity's Requiem)
- Zombies (Eternal Darkness: Sanity's Requiem)
- Bill Cipher (Gravity Falls)
- Dionysus/Bacchus (Greco-Roman Mythology)
- Cruciatus Curse users (Harry Potter)
- Ace (Justice League/Justice League Unlimited)
- Lucifer Morningstar (Lucifer)
- Madcap (Marvel Comics)
- Reapers (Mass Effect); via Indoctrination
- Loki (Norse Mythology)
- Dionysus "Mr. D"/Bacchus (Percy Jackson and the Olympians)
- Goro Akechi/Crow (Persona 5/Persona 5 Royal); via Loki
- Pirsoyn (Shakugan no Shana)
- The Faceless Ones (The Skulduggery Pleasant Series)
- Slender Man (Slender Man Mythos)
- Zalgo (Creepypasta)
- Asura (Soul Eater)
- All Kishin and some Witches (Soul Eater)
- Sith (Star Wars)
- Medusans (Star Trek); should one survive looking at their true form
- Pennywise the Dancing Clown/It (Stephen King's It)
- Eto Yoshimura (Tokyo Ghoul)
- Reisen Udongein Inaba (Touhou Project)
- Clownpiece (Touhou Project)
- Malkavian Vampires (Vampire: The Masquerade); via Dementation
- Madness of Deathwing (Warcraft)
- Old Gods (Warcraft)
- Simurgh (Worm)
- Zofis (Zatch Bell!)
- Gaunter O'Dimm (The Witcher 3: Wild Hunt)
- Talion/Celebrimbor (Middle-Earth: Shadow of Mordor/War)
- Charlie (Don't Starve)
- Various SCPs (SCP Foundation)
Known Objects
- Demons Extract (Akame ga Kill)
- Joker Venom (DC Comics)
- The Markers (Dead Space series)
- The Flare (The Maze Runner)
- Morphogenic Engine (Outlast)
- Radio Towers (Outlast II)
- SCP-012 - Bad Composition (SCP Foundation)
- Dogs Playing Poker (The Simpsons)
- Black Blood (Soul Eater)
- Rajaijah Juice (Tintin)
- Yatagarasu's Feather (Warehouse 13)
- The Shadowed One's Staff of Protodermis (BIONICLE, Rhotuka Launcher attachment)
Known Locations
- The Veil (Veil of Madness)
Known Powers
- Crown of madness spell (Dungeons & Dragons)
Gallery
Homer Simpson (The Simpsons) gazed upon the painting of Dogs Playing Poker, going mad from the illogical sight.
No living being can come face to face with Pennywise's (Stephen King's It) true form of "the deadlights" without instantly going completely insane.
Thesulac Demons (Angel) drives humans insane by tormenting them with their hidden fears and insecurities.
Through their Markers, the Brethren Moons (Dead Space) use their psionic powers to drive organic minds irreversibly insane, making them worship the Markers and Moons as gods, engage in ritualistic suicide, and violently remove any fellow resistance.
Torture from the Cruciatus Curse (Harry Potter) can cause permanent mental damage. Death Eaters tortured Neville Longbottom’s parents to the point they couldn't remember him.
It is said by Yuuki Tenpouin (Code:Breaker) that anyone who looks into Seeker's eyes would be driven mad, due to its unbearably coldness.
Reiki, in the hands of a special power user, can cause the wielder to go insane from the overflowing powers it absorbs.
Medusa (Soul Eater) is well-known for bringing insanity through mental, physical, and magical involvement.
The Joker (DC Comics) wants to show the world that they all are just one bad day away from being as insane as he is. He has driven many individuals to the depths of madness with his greatest and ongoing project being the dark knight himself.
Clownpiece (Touhou Project) explaining how she can "mess with the minds" of those who see the light of her torch.
Prolonged exposure to a Reaper's (Mass Effect) Indoctrination field will turn organic minds irreversibly insane; though the process takes longer with more intelligent and strong-willed beings.
The Flare (The Maze Runner) is the name for a deadly virus that attacks the brain. As a result, those who catch it become violent, unpredictable and insane.
SCP-012 - A Bad Composition (SCP Foundation) is a musical scroll that attracts its victims in its vicinity with hypnotic music and, when they read it, causes them to injure themselves to death.
Zofis (Zatch Bell!) used his powers to make Koko’s hidden pain and suffering overpower her kindhearted personality. As a result, Koko became sadistic and insane.
The Great Ones (Bloodborne) are a diverse race of eldritch gods that are so beyond a normal human's comprehension, seeing them or even learning of them and their ways secondhand can induce insanity.
Goro Akechi (Persona 5) can transform into Shadows berserk causing real world incidents such as mental breakdowns.
The Ancients (Eternal Darkness) and their multitude of minions can all deplete humans of their sanity simply through their presence.