Diphridas continued his predecessor's policy of launching plundering raids into the territory of Persian satrap in the region, Struthas. These raids were highly successful; Diphridas at one point captured Struthas's son-in-law, and with the plunder he took he was able to hire mercenaries to enlarge his force.
Diphridas continued his predecessor's policy of raiding the territory of Persian satraps in Struthas, which resulted in the capture of Struthas's son-in-law and the use of plunder to hire mercenaries to expand his army.