By this time, casualties on both sides were so great that "the entire plain was covered with the dead; bodies were piled up in huge mounds, and the dromedaries especially fell in heaps".[13] At this point, Macrinus, with his army on the verge of breaking, sent another embassy to Artabanus, informing him of Caracalla's demise and offering a substantial compensation. The Parthian army had also suffered large casualties, and moreover, since it was not a professional but a feudal militia force, it had started to become restive at the prolonged campaign.[14] Thus Artabanus agreed to a peace, after receiving 200 million sesterces.[15]