As time turned upon the wheel of fate, the Caesar of Rum—heartened by the astonishing feats of his mysterious champion Farrokhzad—devises a plan to demand tribute from Iran. He approaches Farrokhzad, unaware he is Prince Goshtasp in disguise, declaring his intent to send a noble ambassador named Qalus to King Lohrasp, threatening to unleash a vast Roman host led by Farrokhzad if tribute is withheld. Goshtasp shrewdly approves, knowing the turns of fate are drawing close to disclosure.
Qalus travels swift as the wind to Iran. Upon arriving at the magnificent imperial gate, he witnesses the unmatched majesty of the Kianian court. King Lohrasp ascends his throne of ivory, donning his radiant crown surrounded by the grandees of Iran. When the court curtains are drawn, Qalus delivers Caesar's bold demand. Though deeply grieved and angered in his heart by the Roman ruler's audacity, Lohrasp conceals his wrath under the sacred laws of royal hospitality. He orders rich banquets, golden fabrics, and feastings for the envoy, yet stays awake through the anxious night.
At dawn, after conferring privately with his heroic son Prince Zarir, Lohrasp clears the hall of all foreigners and grants Qalus a confidential audience. Lohrasp speaks with wise restraint: 'Rome was never famed for such prowess, and Caesar was ever humbled before Iranian kings. How comes it now that he sends demands across every border, having conquered even Elyas, the formidable champion of Khazar?'
Qalus replies: 'O King, a knight has arrived in Rome who wrestles wild lions, laughs in the face of war, and slays elephantine wolves and terrible dragons. Caesar bestowed upon him his most precious daughter.' Thrilled with sudden intuition, Lohrasp asks: 'To whom among men does this warrior bear likeness?' Qalus looks upon the assemble court and responds: 'In stature, countenance, noble culture, and heroic bearing, he is the exact spitting image of brave Prince Zarir!' Upon hearing this, Lohrasp's heart swells with joy, realizing his long-lost son Goshtasp is alive and reigning in glory in Rome. He bestows immense treasures upon Qalus and sends him back to Rum with a bold message for Caesar: 'Tell your master that the King of Iran moves forth with his hosts to meet him.'