Hera visited this daughter of Cadmus in the guise of an old crone, and managed to provoke such curiosity in this woman that she forced her lover to swear an oath on the River Styx to reveal himself in all his splendor.
Every eight years at Delphi, a festival known as the Herois was held in this figure's honor. This figure was discovered washing off blood in the river Asopus. Prosymnus guided this figure's son to the entrance to the underworld in the Alcyonian Lake, after which that son rescued this figure and brought her to Olympus, where she became the goddess Thyone. Hera visited this daughter of Cadmus in the guise of an old crone, and managed to provoke such curiosity in this woman that she forced her lover to swear an oath on the River Styx to reveal himself in all his splendor. That revelation led to this woman's death, so her son was born from her lover's thigh. For 10 points, name this mortal lover of Zeus and mother of Dionysus.
Every eight years at Delphi, a festival known as the Herois was held in this figure's honor.
Semele