What is the legend of the ancient Greek goddess Sphinx?

In front of the gate of Thebes, there is a terrible monster, the Sphinx. The Sphinx is the most mysterious Greek goddess. Her spell and cold smile aroused the great imagination of later generations.

The Sphinx is a winged monster with a woman's head and a lion's body. She is the daughter of the terrible mole and Di Feng. She was sent by Hera, the queen of heaven, and flew from Ethiopia to Thebes to torture the Thebes, because King Julius of Thebes kidnapped a boy named Cresset Persia. The Sphinx sat in front of the city gate and asked Thebes all kinds of riddles. When people tried to solve riddles, she killed them one by one.