The Persians were generally remembered as being a number game when it came to warfar, yes, but the Parthians gouged a place in history as a constant threat to Roman power in the east via their iconic horsemen. They beat Crassus and remained a threat to Rome and their client states in the are until the Sassanid empire overthrew them
Very meticulous. All the detail gives the image a very real sense of carnage with minimal gore. The anatomical structure is superb and your colors are gorgeous. Did you research the uniforms? I'm finding a definite focal point on the fallen horse in the front, is that deliberate? Or should you work on drawing the eye around the image?