Shapur II
In the year 367 or 368 the Sassanid King Shapur II, had turned to treachery to capture Arsaces II as he was taken as a political prisoner by the Sassanid monarch, in which Arsaces II had died in prison. This was a part of Shapur II's plan to conquer Armenia once and for all, as Shapur II was in military conflict and failed diplomatic treaties with the Roman emperors Jovian and Valens. Shapur II after successfully capturing Arsaces II, he sent his army to invade Armenia.