
“ | So you have lost your will to fight over such meager damage... So you turn your back on the enemy to flee in tears? And you call yourself an S-Class hero. | „ |
~ Golden Sperm to Superalloy Darkshine |

“ | You have monsterized that much, but you still do not have the courage to choose the side of the monsters? How disappointing. We should've disposed of you from the very start. | „ |
~ Platinum Sperm to Garou |
Summary
Black Sperm (黒い精子 Kuroi Seishi ) is a monster who first appeared during the S-Class Heroes' raid of the Monster Association.
Despite his dull appearance and small stature, he is one of the Association's most powerful members and is easily a high-end Dragon level threat capable of defeating even S-Class Heroes. He first appears when Tareo is separated from Garou, chasing after and tormenting the child. Atomic Samurai steps in but is soon overwhelmed due to Black Sperm's ability to split into numerous versions of himself, as well as reform whenever one of his selves is killed.
Powers and Stats
Tier: Varies from 10-C to at least 7-A | 6-B | At least 6-B
Key: Black Sperm | Golden Sperm | Platinum Sperm
Name: Black Sperm
Origin: One-Punch Man
Gender: Male
Age: Unknown
Classification: Mysterious Being, Dragon-level Threat, Monster Association Cadre
Powers and Abilities:
- Superhuman Physical Characteristics,
- Multiple Selves (Type 1; Stated to have a countless number of "me" inside his body. Can argue and disagree with himself[1][2], meaning that every individual cell has their own mind and thoughts)
- Immortality (Type 3; As long as he has remaining cell stock)
- Acrobatics (All-Terrain Mobility & Hypermobility; Atomic Samurai described him as nimble. Able to jump several meters into the air and perform flips to dodge[3][4]. When in coordination with other Black Sperm cells they can form a vortex around a target to never stop attacking[2])
- Underground Mobility (Escaped from being buried hundreds of meters underground[5][6]. Tunneled below Tatsumaki and Amai Mask to catch them offguard[6][7])
- Size Manipulation, Elasticity, Body Control & Duplication with Shapeshifting (Black Sperm is able to manipulate and enlarge his body in numerous ways. Whenever a Black Sperm cell is split apart, the pieces that are sliced off become a new Black Sperm. He can also just duplicate at will[Note 1])
- Danmaku (A large amount of his duplicates should allow him to have this ability)
- Fusionism & Transformation (Able to permanently fuse cells in order to become stronger[8][4])
All abilities Black Sperm had enhanced to a much higher degree minus several abilities (Due to being a permanent merger from which cells cannot separate, he has lost all of his shapeshifting and duplication abilities as well as Multiple Selves)
- Superhuman Physical Characteristics
- Fusionism & Transformation (Can merge with other Black Sperm cells to form Platinum Sperm[8])
Resistance to:
All previous abilities to an even greater degree minus several abilities (Due to being a permanent merger from which cells cannot separate, he has lost all of his shapeshifting and duplication abilities as well as Multiple Selves)
- Superhuman Physical Characteristics
- Aura (A green aura trails his body during his fight against Flashy Flash and Garou[9])
- Bodily Weaponry & Elasticity with Elastic Tentacle (Shown here)
- Martial Arts Master (Able to keep up pace with an experienced ninja like Flashy Flash and a martial arts master like Garou[9][10])
- Pseudo-Flight & Acrobatics (Self-Momentum; Able to move and fight in the air[9][10])
Resistance to:
- Acid Manipulation (Should be able to resist acid as well thanks to the anti-corrosive properties of platinum)
Attack Potency: Varies (The power of a Black Sperm body depends on its cell count) from Below Average Human level (A single Black Sperm cell is so weak that even a puppy could defeat it[11]) to at least Mountain level (Ripped Genos' arm off[8] Was called very powerful by Atomic Samurai and could deal significant damage to him[1][Statistics Values 1]) | Country level (Far stronger than before. Knocked out Superalloy Darkshine and sent him flying away with a single punch[12]. Stomped Vomited Fuhrer Ugly. Should be somewhat relative to Homeless Emperor due to not being considered as a weakling, unlike Vomited Fuhrer Ugly[12]. Psykos claimed that he and Homeless Emperor could defeat anybody, which should include the likes of Gouketsu[13][Note 2][Statistics Values 2]) | At least Country level (Stronger than his Golden Sperm form, as he contains trillions of more cells inside his body. Said by Homeless Emperor to wield unimaginable power, and his passive Ki was called immense by Atomic Samurai, making him show concern and possibly fear[14]. Fought with Flashy Flash and Post-Darkshine Garou[9]. Later fought Garou on his own for a while before being overpowered[10])
Speed: Unknown, possibly High Hypersonic (Psykos believed that Black Sperm could fight with Tatsumaki alongside Homeless Emperor[13] right after witnessing her defeat Gyoro Gyoro) | At least Massively Hypersonic+ (Faster than before. Intercepted an attack from Atomic Samurai with the Sun Blade. Casually blitzed Darkshine and Vomited Fuhrer Ugly[Statistics Values 3]) | FTL (Surpassed Flashy Flash's speed. Created a massive constellation with his sheer speed in 1.3 milliseconds alongside Garou[Statistics Values 4])
Lifting Strength: Varies, up to Class T (Easily restrained Sweet Mask. Able to rip Genos' arm off, which Gums couldn't do despite biting him for an extended period of time[Statistics Values 5]) | At least Class T (Much stronger than Superalloy Darkshine, even calling him far too weak) | At least Class T (Significantly stronger than before)
Striking Strength: Varies from Below Average Human level (Comparable to its attack potency) to at least Mountain level (Ripped Genos' arm off[8]) | Country level (Comparable to his attack potency. One-shot Superalloy Darkshine[12]) | At least Country level (Comparable to Post-Darkshine Garou[9])
Durability: Unknown | Country level (Withstood numerous cuts from Atomic Samurai's Sun Blade, but was also shown to be directly cut and lose his arm to the Sun Blade[15]) | At least Country level (More durable than its Golden Sperm form. Took hits from Post-Darkshine Garou and survived his Killing God Fist of Monster Destruction[9])
Stamina: Superhuman (Never seemed to tire during his battle against the S-Class Heroes despite taking an enormous amount of damage continuously)
Range: Varies from Below Standard Melee Range up to Several Meters with Size Manipulation and Elasticity. Tens of Kilometers with Sperm Tsunami (Implied to be able to flatten Z-City overtime if he decided to split to his limit and crush everything on his path) | Extended Melee Range by sheer size | Extended Melee Range by sheer size, Several Meters with Elastic Tentacle (Able to extend the tentacle on his head to strike opponents or restraint them)
Standard Equipment: None notable
Intelligence: Above Average (While he initially appears rather single-minded and straightforward, he is incredibly sharp in combat and was one of the few monsters in the Association to use tactics and outmaneuver his foes)
Weaknesses: If his cell stock gets low, he'll become weaker and eventually be unable to regenerate or make copies. Beating his bodies to death instead of slicing them will slow down his duplication. Complete body destruction will effectively kill a Black Sperm body and stop his duplication. If he fuses his cell stock permanently in a new body, he no longer can regenerate or duplicate with that body.
Notable Attacks/Techniques: | |
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Gallery
Notable Matchups
Victories:
Losses:
- Atomic Samurai (One-Punch Man) Atomic Samurai's Profile (Golden Sperm was used and Atomic Samurai had access to the Sun Blade. The battle took place in the ruins of Z-City)
- Flashy Flash (One-Punch Man) Flashy Flash's Profile (Platinum Sperm was used and Flashy Flash had access to Instakill. The battle took place in the ruins of Z-City)
- Satoru Gojo (Jujutsu Kaisen) Gojo's Profile (Black Sperm and Present Gojo were used. Golden and Platinum Sperm were restricted; Speed was equalized)
Inconclusive:
References
- ↑ 1.0 1.1 One-Punch Man, Chapter 106: "Terrible Multiplying Bastard"
- ↑ 2.0 2.1 One-Punch Man, Chapter 146: "Backup"
- ↑ One-Punch Man, Chapter 105: "Authenticity"
- ↑ 4.0 4.1 One-Punch Man, Chapter 152: "Check"
- ↑ One-Punch Man, Chapter 130: "Tatsumaki Full Power"
- ↑ 6.0 6.1 One-Punch Man, Chapter 141: "Rejuvenated Offence"
- ↑ One-Punch Man, Chapter 147: "Toxic Substance"
- ↑ 8.0 8.1 8.2 8.3 8.4 One-Punch Man, Chapter 148: "The Line"
- ↑ 9.0 9.1 9.2 9.3 9.4 9.5 One-Punch Man, Chapter 155: "Results"
- ↑ 10.0 10.1 10.2 One-Punch Man, Chapter 156: "Divine Retribution"
- ↑ One-Punch Man, Chapter 171 - The Last Guy I Wanna Run Into
- ↑ 12.0 12.1 12.2 One-Punch Man, Chapter 149: "Ambush"
- ↑ 13.0 13.1 One-Punch Man, Chapter 123: "Real Form"
- ↑ One-Punch Man, Chapter 154: "Ultimate Purgatory Hellfire Burst Wave-Motion Cannon"
- ↑ One-Punch Man, Chapter 151: "The Greatest Obstacle"
Notes/Explanations
- ↑ Black Sperm's duplication and shapeshifting also works as a sort of pseudo-regeneration allowing him to recover from even being sliced into tiny bits as long as he still has sufficient cells in stock
- ↑ While Psykos' statement mentioned Black Sperm by name instead of Golden Sperm, it is more likely that she was referring to him as an entity rather than the Black "form"
- ↑ 315.116111 Megatons
- ↑ 14.53499 Teratons
- ↑ Mach 3549.54778
- ↑ 4.33921 c
- ↑ 1,153,987,110 Tons
Discussions
Discussion threads involving Black Sperm |