 Appian suggests that wounding the horses drawing a war chariot can cast the formation in disorder, because an out-of-control chariot forces other chariots to engage in evading maneuvers to avoid being hit by its scythes.Archelaus also used them against Sulla in the battle of Chaeronea, again to no avail.War elephants were considered untrustworthy by Greek military writers, but played an important role in many battles of the Hellenistic era, especially in the east.