Summary:
- The Xyston-class Star Destroyer was a type of Star Destroyer used by the Final Order, a remnant of the Galactic Empire.
- These massive warships were equipped with powerful weapons, including a planet-destroying superlaser cannon.
- The Xyston-class Star Destroyers played a significant role in the Final Order's attempt to retake control of the galaxy, but were ultimately defeated by the Resistance.