The Lernaean Hydra, normally shortened to just The Hydra is a reptilian monster, the third child of Typhon and the Echidna, and the monster Hercules was forced to beat as his second trial. It lives in the lake of the city of Lerna, true to his name. It is known for its impressive regeneration and its incredibly potent poison.

Powers and Stats

Tier: 6-C, much higher with poison

Name: The Lernaean Hydra; The Hydra of Lerna

Origin: Greek Mythology

Gender: Female

Age: Likely hundreds of years

Classification: Monster, Serpent

Powers and Abilities: Superhuman Physical Characteristics, Natural Weaponry (Teeth), Regeneration (Mid; Will regrow two or many more heads for every one cut off, depending on the myth), Fire Breath, Durability Negation via Poison Manipulation (High level), Immortality (Types 1, 2, and 3. Ageless, each of its mortal heads would regenerate along with a new additional head when cut off, immortal head would not be regrown but would still be alive after decapitation), Invulnerability (The immortal head could not be harmed by normal means. Hercules required a magic sword from Athena to decapitate it. Even then, it was still alive afterward, forcing him to bury it under a boulder)

Attack Potency: Island level (Was a serious threat to Heracles, and the hero was only able to defeat her through the help of Athena and his nephew), much higher with poison (Her posthumous poison was enough to cause the immortal centaur Chiron to forsake his immortality and even kill Heracles himself)

Speed: Superhuman movement speed with Massively Hypersonic reactions (Was reacting to Heracles)

Lifting Strength: Superhuman via size

Striking Strength: Island Class

Durability: Island level (Its regeneration makes it hard to defeat, and its immortality makes it even harder to kill)

Stamina: Extremely high

Range: Extended melee range. Higher with its breath

Standard Equipment: None notable

Intelligence: Instinctual

Notable Attacks/Techniques:

  • Immortality/Regeneration/Invulnerability: For each of the Hydra's mortal heads that were cut off, two new heads would grow in their place. The immortal head lacked this regeneration but was instead made immortal. As a result, it could not be harmed by normal means. A magic sword forged by Athena was required to decapitate the immortal head. Even after being decapitated, the immortal head was still alive and could still bite. Hercules had to bury the still living head under a boulder.
  • Fire breath: The immortal head could breathe fire as long as it was still attached to its body.
  • Poison: The Hydra was extremely poisonous. She could breathe deadly fumes, forcing others to hold their breath, and her blood could kill others simply through touching their skin.

Weaknesses: Cauterizing the wounds after her heads are removed prevents them from regrowing.


Notable Victories:

Notable Losses:

Inconclusive Matches:

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