Sardok

 is a Knight Ultra that is encountered as the boss of the mission Shrine of Oryx, appearing to defend the Shrine from an intruder. Unlike other Knights, Sardok is much larger and has an eerie green glow about him.

Strategies

 * He is invulnerable to damage until he has stepped through the threshold of the door that reveals him
 * Due to his large size, it is easy to land hits on his weak point.
 * Unlike other Knights, he uses a shockwave attack if he is within range