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Hydra
Lake Lerna
Danger Level: 9/10
By Elizabeth Stein for Mythos Atlas. About the author. Editorial notes are grounded in the site's cited sources and can be challenged through the contact page.
Abilities
RegenerationVenomous BreathImmortal Central Head
Lore & Legend
A gigantic water serpent with multiple heads that regenerate when severed. Slain by Heracles as his second labor, who discovered that two heads grow back for each one cut off.