Reign: The Conqueror Episode 10 English Dubbed Episode Title:Persia Shall Fall.Episode Description:Alessandro and Dario meet on the plain of Gaugamela. It is the beginning of the decisive confrontation. Meanwhile, in Athens, Diogenes receives a visit from Aristotle, to whom he reveals that he has thrown the Platonic Solid entrusted to him by Plato long ago into the indeterminate chaos, to prevent anyone from one day being able to exploit its immense power.