The Prophecy in the Black Chest

From E5.2, Hormizd’s Slaughter of the Ministers. It illustrates E5.2.135–146 (to E5.2.147):

E5.2.135
Hormizd received the message and chose oneTrusted to bring Bahram when day was done.
E5.2.136
At night the monarch brought him to his seat,And spoke in gentle words, their talk discreet.
E5.2.137
He said, “Reveal the counsel you would bring,That may secure my life and throne as king.”
E5.2.138
Bahram replied, “A plain black chest is storedWithin your treasury, O royal lord.
E5.2.139
Within that case a sealed casket lies;A Persian scroll lies sealed from prying eyes.
E5.2.140
On white silk, in your father’s hand, are tracedThe fortunes of the years yet to be faced.”
E5.2.141
Hormizd sent orders: “Search the ancient store;Bring me the black chest sealed in days before.”
E5.2.142
He read: “For twelve full years shall Hormizd reign,A mighty king, secure from grief and pain.
E5.2.143
Then turmoil rises, justice falls away,And tyranny and violence win the day.
E5.2.144
From every side his enemies appear,While one like Ahriman awakens fear;
E5.2.145
His troops disperse; his foes usurp the crown,Blind both his eyes, and strike the monarch down.”
E5.2.146
He read his father’s words, his heart grown sore,Then called Bahram: “What brought you to my door?