The Persians captured Jerusalem and the Holy Cross, which they bore back to Ctesiphon in triumph. The Persian empire was considerably expanded during his reign. Although he himself was a Zoroastrian, he interested himself in the affairs of the eastern churches, especially the conflict between the Nestorians and the Monophysites. His military expeditions and extravagance bled the country dry. He was blinded and then assassinated by his own son, Siroe-Chavad, in 628.