 The Carpi moved through Dacia, crossed the Danube and emerged in Moesia where they threatened the Balkans.Establishing his headquarters in Philippopolis in Thrace, he pushed the Carpi across the Danube and chased them back into Dacia, so that by the summer of 246, he claimed victory against them, along with the title "Carpicus Maximus".In the meantime, the Arsacids of Armenia refused to acknowledge the authority of the Persian king Shapur I, and war with Persia flared up again by 245.