In order to prove his worthiness to marry the Amazonian queen Hippolyta, Theseus must fight in a gauntlet of the greatest warriors from the Amazons.
Unfortunately, our so-called "hero" could not stand the test. After so many 'near misses', Theseus ultimately found a blade through his chest from the back.
The Amazons roared in laughter as Theseus collapsed.
This arrogant, foolish man proved unworthy of their queen's love. Good riddance.