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Dark Matter Thieves

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Dark Matter Thieves



Alien ship

Leader Boros
Headquarters Giant Spaceship

The Dark Matter Thieves (暗黒盗賊団ダークマター, Ankokutōzokudan Dākumatā) are a group of alien invaders led by the powerful Boros that attacked various planets to find valid opponents.


The Dark Matter Thieves headquarters is a giant spaceship, so big that it can obscure even A-City. It's heavily armed with cannons able to shoot enormous destructive bullets and is able to fly thanks to a Power Core, the destruction of which makes the spaceship fall almost immediately.


Hero Association SagaEdit

Alien Conquerors ArcEdit

The Dark Matter Thieves arrived on Earth and entirely destroyed A-City, with the exception of the Hero Association headquarters. Melzalgald was the first to leave the ship and kills the Sky King and his henchmen.[1] Melzalgald then tries to kill A-Class hero Iaian, but failed and the two began to fight.[2] At the headquarters, Saitama managed to jump from the rooftop and is shot by colossal-sized bullets, but was able to dodge and repels back.[3] Iaian is still fighting Melzalgald and while dodging an attack, his left arm is torn completely. Melzalgald then begins splitting itself into five different forms.[4] Feeling bored of his situation, the monster is suddenly cut to pieces by Atomic Samurai.[5]

Atomic Samurai is then joined by Metal Bat, Bang and Puri-Puri-Prisoner to fight Melzalgald.[6] While Melzalgald was fighting, he decided to contact the ship to prepare cannons. He creates a small flying head to contact the ship, but the head was struck by Metal Bat. He then received a distress call from Geryuganshoop, who tells him an intruder got on the ship and that Groribas had been defeated.[7]

Known MembersEdit

Name Position Status
BorosLeaderDeceased †
GeryuganshoopMemberDeceased †
MelzalgaldMemberDeceased †
GroribasMemberDeceased †


  • According to Genos' notes, the size of the Dark Matter Thieves' ship is 9,230m x 15,024m.[8]


  1. One-Punch Man Manga; Chapter 31, page 2-6
  2. One-Punch Man Manga; Chapter 31, page 6-12
  3. One-Punch Man Manga; Chapter 31, page 14-19
  4. One-Punch Man Manga; Chapter 31, page 22-27
  5. One-Punch Man Manga; Chapter 32, page 2-7
  6. One-Punch Man Manga; Chapter 32, page 8-11
  7. One-Punch Man Manga; Chapter 32, page 25-33
  8. One-Punch Man Anime; Episode 12

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