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Cornelia (Rosalba Neri, a.k.a. Sara Bay) was the villainess in the 1974 film, THE ARENA a.k.a NAKED WARRIORS.

A brutal woman, she was the procurer/overseer of the girls who were being trained to fight gladiator battles in the arena.

In the end she is stabbed in the back with a trident by Mamawi (Pam Grier), one of her trained gladiators.