From Halopedia, the Halo wiki
Killing one in Warzone will award the team 25 VP, and earn the player a Boss Takedown medal. They have the same resistance as a Promethean Soldier. In Warzone Firefight, The Enforcer Appears as a Legendary Warzone Boss. On the Map Temple. Soldier Enforcers in Firefight wield the Dying Star and Razor's Edge weapons.
List of appearances