Yuddha Kanda 94.31

In the eighth part of the day, in the battlefield, an army of Rakshasas who were capable of changing their forms at will, constituting a myriad of chariots with wind speed, eighteen thousand fleetfooted elephants, fourteen thousand horses with riders, two lakh Rakshasas fighting on foot exterminated by Rama singlehanded with his arrows that resembled tongues of fire.