After being bitten by a vampire and partially purified, Django (Boktai) gained the ability to turn into Black Django, a darkness-wielding vampire.
After being corrupted and enslaved by Mundus, Vergil (Devil May Cry series) became the demon Nelo Angelo. In this state, Vergil's abilities are enhanced, allowing him to overpower and nearly kill Dante in their first encounter.
Urizen (Devil May Cry 5) is the demonic half of Vergil made manifest, completely uninhibited by Vergil's human emotions and morality.
Those affected by Demigra's dark magic, such as Frieza (Dragon Ball Xenoverse) enter a darker, more powerful state known as Villainous Mode.
Janemba (Dragon Ball Xenoverse 2) in the Supervillain form, a variation of Villainous Mode that shaves off the user's life for power.
Towa (Dragon Ball) in the form of Darkness Towa, a more powerful state of being triggered by her hatred.
After absorbing demonic energy from Deadites, Ash Williams (Evil Dead: Regeneration) is able to transform into his deadite alter-ego, Bad Ash.
Dark Kain (Final Fantasy IV) is the physical manifestation of the darkness in Kain Highwind's heart.
As he commits evil deeds, Cole MacGrath (inFAMOUS) becomes increasingly corrupted, which also affects his powers and mindset.
As he commits evil deed, Delsin Rowe (inFAMOUS: Second Son) becomes increasingly corrupted, which also affects his powers and mindset.
After being under Dark Eco experimentation for two years, Jak (Jak and Daxter) is able to undergo a dark, aggressive, and very powerful transformation known as Dark Jak whenever he is angered.
After further exposure to Dark Eco, Daxter (Jak and Daxter) gained the power to transform into Dark Daxter.
Dark Pit (Kid Icarus: Uprising) is the physical manifestation of Pit's dark side, created when Pit looked into the Mirror of Truth.
Shadow Jago (Killer Instinct) is the form Jago takes when he succumbs to Gargos' corruption within him.
Riku (Kingdom Hearts) using Dark Mode.
Riku (Kingdom Hearts) took on the form of Ansem, Seeker of Darkness as a result of being forced to tap into his darkness to defeat Roxas.
Anti-Form Sora (Kingdom Hearts) is the physical representation of the darkness that lurks within his heart.
When at critical health, Sora (Kingdom Hearts) can assume his Rage Form, enveloping his Keyblade in darkness for quick and powerful attacks.
Vanitas (Kingdom Hearts: Birth by Sleep) is the living embodiment of the darkness within Ventus' heart.
After a prolonged stay in the Realm of Darkness, Aqua (Kingdom Hearts III) was corrupted by its influence, becoming Anti-Aqua.
Dark Baymax (Kingdom Hearts III) is Baymax's original body, reconstructed into a Heartless version of his former self.
Dark Meta Knight (Kirby) is the manifestation of Meta Knight's dark side, brought into existence when Meta Knight went to the Mirror World.
After being tainted by Malefor's darkness, Spyro (The Legend of Spyro) gained the power to transform into "Dark Spyro" through great emotional stress.
Having fully embraced his darkness, Malefor (The Legend of Spyro) is in a permanent dark form, and unlike Spyro, he has full control over himself.
Dark Link (The Legend of Zelda series) is an evil shadow created by a magical force and is capable of matching Link's every move blow for blow.
Midna (The Legend of Zelda: Twilight Princess) takes on a monstrous dark form by using the completed Fused Shadow.
The Dark Star (Mario & Luigi: Bowser's Inside Story) is an evil star composed of and wielding incredible dark powers.
Dark Bowser (Mario & Luigi: Bowser's Inside Story) is the form the Dark Star takes after absorbing Bowser's DNA, wielding both Bowser's power and its own dark powers.
After draining the Dark Star of half of its power, Fawful (Mario & Luigi: Bowser's Inside Story) became Dark Fawful.
Dark MegaMan (Mega Man Battle Network) is a dark version of MegaMan.EXE, created by the Dark Chips.
After being exposed to Sigma's Colony Virus, which combined with the Sigma Virus he was already infected with, Zero (Mega Man X) was corrupted into Awakened Zero, reverting to his original malevolent programming.
Raiden (Metal Gear) uses Ripper Mode to revert to his darker, more violent, and more powerful persona of Jack the Ripper.
The Ing (Metroid Prime 2: Echoes) can possess beings such as Space Pirates, corrupting them into more powerful Darklings.
After a failed suicide attack on the Dragon King Onaga, Raiden's (Mortal Kombat) essence was corrupted when his body reformed, causing him to take on the more malevolent and violent form of Dark Raiden.
After draining energy from the Jinsei Chamber, Shinnok (Mortal Kombat) took on a more powerful demonic form, Corrupted Shinnok.
Morpeko (Pokemon) switches to "Hangry Mode" when it faces hunger for sometime.
Shadow Pokémon (Pokémon) are Pokémon who have been corrupted into a dark form by Cipher, distinguishable by a black aura around their bodies.
Shadow Lugia (Pokémon XD: Gale of Darkness) is intended to be the ultimate Shadow Pokémon, completely impossible to purify.
Shadow Mewtwo (Pokkén Tournament) is a darker form of Mewtwo, the result of Mewtwo being corrupted by the Shadow Synergy Stone.
The Prince (Prince of Persia) developed the ability to transform into the Dark Prince after being infected by the Sands of Time.
Nega-Shantae (Shantae) is Shantae's dark half, brought into existence when Shantae's good magic is converted to dark magic.
Reize Seatlan (Shovel Knight) was transformed into the malevolent Dark Reize after being corrupted by the Enchantress' dark powers.
Dark Reize was transformed into Nightmare Reize (Shovel Knight) after being further corrupted and empowered by the Enchantress to defeat Specter Knight.
After being exposed to Petrified Darkness, Kaos (Skylanders) was evilized, becoming Super Evil Kaos.
Perfect Chaos (Sonic the Hedgehog) is the result of Chaos draining the negative energy of the Chaos Emeralds.
When fueled by thoughts of evil, Shadow the Hedgehog (Sonic the Hedgehog) becomes Dark Shadow, granting him temporary invincibility, access to Chaos Blast
, and infinite ammunition for all weapons.
Dark Chao (Sonic the Hedgehog) are malevolent Chao that are the product of being raised by villainous characters.
Dark Gaia (Sonic the Hedgehog) is a manifestation of pure darkness and night who dwells within the planet Earth, awakening in an endless cycle to corrupt and eventually destroy the world with his dark powers.
Nega-Wisps (Sonic the Hedgehog) are dark Wisps that have been corrupted into their current form by Eggman draining them of their energy.
Pyrrha (Soulcalibur V) has been corrupted by Soul Edge, becoming the demonic Pyrrha Ω.
Whenever he gives in to the Satsui no Hadou, Ryu (Street Fighter) becomes Evil Ryu.
Oni (Street Fighter) is the form Akuma will take should he allow the Satsui no Hadou to completely consume him.
When Ken (Street Fighter) is brainwashed and controlled by M. Bison's Psycho Power, he becomes Violent Ken.
In his Evil Saiyan
form, Cunber (Super Dragon Ball Heroes) wields overwhelmingly powerful dark ki that not only lets him corrupt others
, but fight on par with both a Super Saiyan 4 and Super Saiyan Blue
Unknown (Tekken) is a demonic form of Jun Kazama.
Dark Alice (Valkyrie Crusade) is the dark form of Alice.
Dark Cinderella (Valkyrie Crusade) is the dark form of Cinderella.