The destrier, the courser, and the rouncey, which differed in size and usage. Historically, the destrier was a war horse. They were valuable horses, but less expensive than the highly prized destrier. They were valuable, but not as costly as the destrier. "Destrier", their second full-length album, followed on August 7, 2015. It is also disputed whether the destrier class included draught animals or not. The destrier is the best-known war horse of the medieval era. While highly prized by knights and men-at-arms, the destrier was not very common. Destrier is the second album by the alternative rock band Agent Fresco.