The Cadian Castellan is a highly trained officer in the Cadian Shock Troops, the most famous regiment of the Astra Militarum in the Warhammer 40k universe. The Cadian Castellan is responsible for the defense and command of the Cadian's fortress, and is skilled in both defensive and offensive tactics. They are equipped with a variety of weapons. Their presence on the battlefield can inspire their troops to fight harder and longer, and their tactical abilities can mean the difference between victory and defeat. The Cadian Castellan is a symbol of the Cadian's strength and resilience, and is revered by both their allies and enemies.