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The Extended Family of Darkness (闇の大家族, Yami no Dai Kazoku) is a group of mysterious beings.


The Extended Family of Darkness is a group of at least eleven dark humanoid monsters of varying sizes and body types.

They all have a devilish appearance including varying sets of eyes, sharp teeth and claws, forked tails, and they also each have two sets of wings with varying appearances, one being on their back and one being on their head.


Not much is known about their personalities. Since they act as a group and their name mentions them being a "family", it can be inferred that they have a strong familial bond and care about one another.


Neo Heroes Saga[]

Neo Heroes Uprising Arc[]

The Extended Family of Darkness suddenly appear in T-City and the Hero Association quickly designates them as disaster level Dragon. Later on, Genos arrives at the scene and they prepare to face him.[1] After exchanging blows with the group of monsters, Genos finishes the battle with an explosive blast from his core. The Extended Family of Darkness was defeated, although the battle severely damaged the hero. The majority of T-City is destroyed in the battle. This was the first dragon level threat Genos was able to suppress on his own. 

Abilities and Powers[]

Not much is known about The Extended Family of Darkness. Given that they are a Dragon level threat, it can be assumed that they are an extremely strong group. It can be assumed that they use their numbers to their advantage. Despite being defeated by Genos, they managed to destroy his right arm and leave him in critical condition at the end of the battle.


  1. One-Punch Man Webcomic; Chapter 128, page 12


Mysterious Beings
Dragon (or higher) Boros Orochi *
Demon 170,000-Year-Old Cicada Larva 170,000-Year-Old Cicada Adult Armored GorillaAwakened Cockroach Baquma Beast King Bruinado Bug God Building Booper Deep Sea King Demonic Fan Devil Long Hair *Do-S *Eyesight Face Ripper Fist Fight Djinn Free Hugger G4 G5 Game-Berus Giant Crow Grizzly Nyah Hundred-Eyes Octopus Jumping Spider Macho Daikon Mosquito Girl *Rafflesidon Rhino Wrestler Royal Ripper Scaledon Senior Centipede Showerhead Sky King Subterranean King Super Mouse The Great Food Tub The Three Crows Unihorn Vampire (Pureblood) 
Wolf Himawari Hotdog Messenger of the Seafolk Piggy Bancon Tongue Stretcher
Less than Wolf
Unknown Alien Seer *Ancient King Autumn Phantom Red Golden-ringed Dragonfly *Benpatsu *Choze DarkDark Matter Gunner Eagle Enamel Evil Eggs Evil Eye Evil Natural WaterFalcon Fish of DarknessGale Giant Salamander Gigakigan Goddess Glasses Gyoffrey Hamukichi *Haragiri Hawk Hellfire Junior Centipede Kite Lord Great White ManakoPlatinum Sperm Rosie Raptora *RepteraSage CentipedeSuppon Sword Devil Executioner Venus Mantrap Volten *