Black Sperm: The Monster Association’s Multiplying Menace

Appearance

• Base Form: Black Sperm appears as a humanoid figure covered in a smooth, pitch-black. His body lacks a distinct muscle definition.
• Eyes, Face, and Body: He has a round, white face with minimal features, black eyes, and a small, black body.
• Majin Buu Head-Tail: His head is proportionate to his slender body but has a “tail” above it, similar to Kid Buu. But this one is colored pitched-black which is the same as his body.
• Evolving Forms: As Black Sperm merges with his clones, he grows larger and more muscular. He can transform parts of his body into bigger than usual like larger arms when he fought Atomic Samurai. Eventually, he combines and becomes a more intimidating Golden Sperm with a shimmering golden exterior and Platinum Sperm, his strongest.

Personality

• Arrogant and Cocky: Black Sperm has an overwhelming sense of superiority, often mocking and belittling his enemies. He enjoys flaunting his abilities, believing few can match him.
• Sadistic and Cruel: He takes pleasure in toying with his opponents, prolonging fights to demonstrate his dominance. His cruel streak makes him a particularly malicious foe.
• Cunning and Strategic: Despite his arrogance, Black Sperm is intelligent and tactical, knowing when to split or recombine to gain the upper hand in battle. He analyzes his opponents and adapts his strategies accordingly.
• Playful and Taunting: Black Sperm has a mischievous personality, frequently taunting heroes and acting in a playful yet menacing manner during fights. His confidence often manifests in his mocking demeanor.
• Fearful of True Power: While he exudes confidence, Black Sperm quickly becomes fearful when faced with overwhelming power, as shown in his reaction to Saitama’s effortless strength.
• Lack of Loyalty: While he initially collaborates with other monsters, Black Sperm ultimately prioritizes his own survival and goals. He is willing to betray or abandon his allies if it benefits him.
• Self-Preservation Averse: Black Sperm expresses a desire to be adopted by Saitama, following him and even offering to be useful. He wants to preserve himself and gather enough protein to become strong again.

Quote

Good job defeating a small fraction of “me!”

-Before punching Atomic Samurai

Someone with just one brain cell won’t get it!

-While he’s trillion cells merge and he faces Metal bat.

Abilities, Power, and Skills

• Cloning and Division: This is Black Sperm’s signature ability, allowing him to split into countless copies. Each copy retains his full power and can operate independently. This makes him incredibly difficult to defeat, as eliminating individual copies has little impact on his overall strength.
• Merging: Black Sperm can fuse their copies together, creating larger and more powerful forms. He first merges into Golden Sperm, a much larger and muscular form with enhanced strength and resilience. He later combines with the remaining copies and Evil Natural Water, ultimately becoming Platinum Sperm.
• Strength and Durability: While individual copies are relatively weak, Black Sperm’s merged forms exhibit immense strength and durability. Golden Sperm easily throws Superalloy Darkshine, a hero known for his incredible physical resilience.
• Strategic Thinking: Black Sperm is a cunning and strategic fighter. He assesses situations, exploits weaknesses, and uses his multiplication ability to gain an advantage in battle. 
• Durability and Regeneration: Black Sperm’s body is highly resilient, allowing him to absorb impacts that would destroy most creatures. Even when a clone is destroyed, his remaining cells can regroup and regenerate, making him extremely difficult to kill permanently.
• Corossion-Resistant: When in Golden Sperm’s form, Black Sperm is highly resistant to Vomitted Fuhrer Ugly’s acid spit.
• Body Manipulation: He can grow his body or even parts of himself in different sizes, like when he was about to punch Atomic Samurai. His body and arm become big while his head remains its original size. He also has three small legs like a tripod.

Named Attacks

• Sperm Tsunami: Black Sperm planned to use this attack by creating a massive number of copies to overwhelm and devour the city buildings. This highlights his potential for large-scale destruction.
• 54 Trillion Ultimate Combination: All of Black Sperm’s 54 trillion remaining copies (43 trillion from Golden Sperm and 11 trillion uncombined Sperms) merge into a single entity called Platinum Sperm.

Black Sperm doesn’t use special moves or named attacks much. He relies on brute strength and physical power to fight and defeat his enemies.

Enemies Fought

Victories

• Atomic Samurai: Atomic Samurai: Black Sperm engages in a fierce battle with Atomic Samurai, initially overwhelming the hero with his sheer numbers. He had the upper hand, but Atomic Samurai escaped by burying him with rubbles.
• Vomited Fuhrer Ugly: The cadres are not exactly allies of Black Sperm but only as a means to his goal. He defeated Vomited Fuhrer Ugly after merging into Golden Sperm.
• Superalloy Darkshine: Darkshine was already mentally defeated just by looking at Golden Sperm’s majestic muscles. Golden Sperm sends him flying with a punch,  leaving the hero traumatized.
• Flashy Flash: Overcame his speed and defeated him during their royal rumble with Monster Garou.

Defeats

Monster Garou: The only definite defeat Golden Sperm had was when he fought against Monster Garou.

Draw (Not Decided)

Due to his ability, it’s hard to say he’s defeated in a fight since he was also fighting multiple heroes simultaneously.

Here are other fights in which Black Sperm participated, which didn’t conclude.

• Tatsumaki: Black Sperm confronts Tatsumaki alongside other monsters. He tries to restrain her with a giant, merged arm but is blasted away by Genos. 
• Bang: Black Sperm faces Bang on multiple occasions. He and his copies initially overwhelm Bang and Genos, but Bang skillfully fights back.
• Bomb: Bomb faces Black Sperms copies but it didn’t end conclusively after the monster merged into a more powerful being.
• Genos: Black Sperm attacks Genos alongside other monsters, contributing to his severe injuries.
• Council of Swordmasters: Black Sperm and his copies battle the Council of Swordmasters, initially proving to be formidable opponents.
• Metal Bat: They had a brief fight where Metal Bat decimated him. But this is inconclusive since he only used a few of his clones.

Disaster Level

Black Sperm is classified as a Disaster Level Dragon threat. He can fight multiple heroes at once due to his multiplying and merging ability.

This classification signifies that he’s capable of destroying multiple cities, making him one of the most powerful monsters in the One Punch Man universe.

Fate

After his fight against the Hero Association, a single Black Sperm unit survived, even escaping the jaws of Pig God.

He plans to escape and devours more protein to strengthen himself but runs into Saitama, whom he saw defeat Garou.

Seeing that Saitama treats Rover kindly, he decides to try his luck and follows Saitama, even offering to take good care of Rover in the process.

Black Sperm discovers Saitama lives in the Hero Association compound, but he still manages to live with him and do his chores pretending to be a monkey so as not to get caught by other heroes.

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