Youngest and most beautiful daughter of the noble Du Couteau family of Noxus, she ventured deep into the crypts beneath Shurima in search of ancient power. There, she was bitten by a gruesome tomb guardian, whose venom transformed her into a viper-like predator.

How did Cassiopeia become a snake?

According to her champion lore, she turned into a snake-like being by entering a lost tomb of an old Shuriman Ascended. She wanted to gain the power which was stored within, but was bitten by one of the tomb guards, injecting venom into her which would change her shape.

Is Cassiopeia A snake?

Cassiopeia once said she was the most beautiful woman on Earth and even goddesses were ugly compared to her. She incurred the wrath of Poseidon, who sent his pet monster after Ethiopia, her homeland. The monster, a giant serpent, ate everyone it came upon.