
In Resurrection of Evil, however, they can be overwhelmed and destroyed by multiple Revenants, or by Hell Knights in The Lost Mission. Sentry Bots make excellent allies their standing is about on par with the more elite demons such as the Revenant or Chaingun Commando, and they can easily mow through groups of Z-Sec soldiers or Imps. If you find one, it will help you fight the demons. When the demons invade the base, most of the Sentry Bots are destroyed. One Sentry Bot will lead the player to the Mars City Underground elevator.

Fortunately, a nearby marine managed to disable it.Īt the beginning of the game, they can be seen in the Marine HQ. For example, a UAC employee was almost killed by a Sentry Bot because it had a system failure. However, there were many problems with them. They were constructed by Mixom Corporation for the UAC. Each Sentry Bot is equipped with a powerful machine gun and a flashlight. It is used in all places of Mars City in Doom 3.

The Sentry Bot is a small, dog-sized security robot consisting of a robotic "head" walking on four spider-like legs. Those guys pack a lot of firepower." ― Sergeant Kelly "Marine, if you run across any operational Sentry Bots, use them.
