Answer: Procopius wrote all of his works while Justinian was still on the throne in that period of time when the Eastern Roman Empire was evolving into the Byzantine Empire. He describes Justinian as treacherous and incapable of being faithful to any friend, bending or breaking his own laws to suit any purpose he might have.
Explanation: Then, what role did Procopius play in Justinian's court?
Accompanying the Byzantine general Belisarius in Emperor Justinian's wars, Procopius became the principal Byzantine historian of the 6th century, writing the History of the Wars, the Buildings, and the Secret History. He is commonly classified as the last major historian of the ancient Western world.
Also Know, why did Procopius write the history of Justinian? 565 CE) was a Byzantine general and historian in the court of Emperor Justinian. He wrote several official works praising the emperor and his accomplishments. In this work Procopius mocks the emperor, the empress Theodora, and the general Belisarius, heaping scorn on their appearance, activities, and beliefs.