Eurystheus ordered Hercules to bring him the belt of Hippolyta.
Bring me the belt of Hippolyte Hercules
This was no ordinary belt and no ordinary warrior. Hippolyta was the queen of the Amazons, a tribe of women warrior's.
The belt was given to her by Ares, the war god, because she was the best warrior. Eurystheus wanted the belt for his daughter.
Hercules friends realized he couldn't fight the whole army by himself so they joined him on his journey.
When he arrived, Hippolyte asked why he came, he told her, and she promised to give him the belt.
I need your belt
But the Goddess Hera disguised herself as an Amazon warrior and told all the women the visitors were there to take their queen The Amazons put their armor. When Hercules realized what they were doing, he drew his sword, killed Hippolyte and then he took her belt. Hercules and the Greeks fought the rest of the Amazons in a great battle.