Silent Blade

Silent Blade is a Covenant remnant Special Operations unit.

Background
During the Requiem campaign, several Sangheili from Silent Blade was sent to eliminate UNSC forces in the area known as the "Refuge". They began by killing the Marines in Warbird Company. They then attempted to reach the safe room where Dr. Boyd was hiding, however Fireteam Crimson destroyed the shield keeping them from the room and managed to kill all the Covenant forces in the area.

List of appearances

 * Halo 4
 * Spartan Ops