 284-305) took active measures to undermine its authority, and established the autocratic nature and divine derivation of the Imperial power.Never again, after Diocletian's reforms, would the Roman senate play an active role in the management of the empire.On the military sphere, Probus' victories continued the succession of martial Illyrian emperors begun by Claudius Gothicus, which restored the military supremacy of Rome after defeats sustained during the crisis of the third century.