When the third time of sacrifice came, the Athenian hero Theseus volunteered to go, and, with the help of Ariadne, daughter of Minos and Pasiphae, he killed the monster and ended the tribute.

How does Theseus and the Minotaur end?

Theseus end up kicking the Minotaur's rump and the beast is slain. ... When Aegeus sees the ship approaching with a black sail, he thinks his son has been devoured by the Minotaur. The old King Aegeus is so depressed that throws himself into the sea and drowns. (Ever since then that body of water is know as the Aegean.)

Why does Theseus go to kill the Minotaur?

Prince Theseus said that he was going to go with them and kill the Minotaur, to save these children and all the ones who might be sent in the future. His dad, King Aegeus, begged him not to go. Aegeus was afraid that the Minotaur would get Theseus too!