Io

Io is an oracle that put Xena through a series of dangerous trials to prove how much she is willing to sacrifice ,to free Prometheus After passing the tests, Io tells xena must go to Vulcan Mountain and enter the cave of Hephaestus where she will find the only sword that can break the chains that bind Prometheus. Io is the one that warns her, that warriors loyal to the Temple of Hera will stop at nothing to keep her from her mission.