Khosrau, referring to Khosrau I, was the "King of Kings" (Shahanshah) of the Sasanian Empire from 531 to 579. He is the main character of the Bukhara scenario in Age of Empires II HD: The Forgotten, leading the Sassanid Persians to victory against the White Huns and Gokturks in the battle.
In-game, he is a cavalry archer hero with the appearance of an Elephant Archer. He is also available in the Scenario Editor. As a hero, he cannot be converted and can regenerate health. As a cavalry archer, he is affected by all technologies that affect them (except Parthian Tactics).