The Sphinx is a level 40 boss that dwells within The Labyrinth. It will only turn to an enemy if you answer it's questions incorrectly.
The sphinx was a creature with the body of a lion, wings of an eagle, and head of a woman. It would dwell in passes, and catch travelers. If they could not answer her riddle, she would eat them. It was trapped within The Labyrinth several thousand years ago.
"What walks on four legs in the morning, two legs at noon, and three legs at dusk?"
"περπατώ επάνω τέσσερα legs το πρωί , δύο legs το μεσημέρι , και τρία legs σε λυκόφως?"
Quis ingredior in quattuor legs in oriens , duos crur procul noon , quod tertius crur inter canem et lupum?