 | For an overview of Sentry Bots, see Sentry Bot. |
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Sentry Bots are a type of robot found in the Commonwealth and Nuka-World in Fallout 4.
Background
The sentry bot was created to provide security through overwhelming firepower.[1] The sentry bot has a cool down phase after attacking, which results in its fusion core being vulnerable.[1] The combat drone utilizes a variety of heavy weapons systems and explodes upon death.[2] Sentry Bots use a minigun or Gatling laser on the right arm, and a missile launcher on the left. The robots have a combat inhibitor on their back that will cause it to frenzy if damaged. Sentry Bots possess judicial circuits, which are employed when they witness a murder or thievery, and will hand out death sentences to the criminals they find.[3]
Gameplay
If engaged in combat for too long, they will eventually enter a cooldown period, blasting steam and flames out of vents on their chest and back while exposing dual fusion cores on their rear. Upon taking terminal damage, the Sentry Bot will initiate a self-destruct sequence. After a few seconds, they will explode. Additionally, the loss of both main weapons will prompt the Sentry Bot to initialize their self-destruct sequence and charge at their target
With Automatron installed, the Sole Survivor can build their own Sentry Bots at any robot workbench. They can then be ordered to follow the Survivor like any other companion.
Variants
| Image | Name | Level | 
|
|
|
|
Drops | Game |
|---|---|---|---|---|---|---|---|---|
|
20 |
500 |
125 |
85 |
Immune |
| ||
|
30 |
750 |
125 |
85 |
Immune |
|
| |
|
30 |
750 |
125 |
85 |
Immune |
| ||
|
30 |
750 |
125 |
85 |
Immune |
| ||
|
30 |
750 |
125 |
85 |
Immune |
| ||
|
30 |
550 |
125 |
85 |
Immune |
| ||
|
40 |
650 |
150 |
100 |
Immune |
| ||
|
|
40 |
850 |
150 |
100 |
Immune |
|
| |
|
40 |
850 |
150 |
100 |
Immune |
| ||
|
40 |
850 |
150 |
100 |
Immune |
| ||
|
|
50 |
1000 |
175 |
125 |
Immune |
|
| |
|
50 |
1000 |
175 |
125 |
Immune |
| ||
|
50 |
1000 |
175 |
125 |
Immune |
| ||
|
50 |
1000 |
175 |
125 |
Immune |
|
| |
|
60+ |
1045+ |
135 |
70 |
Immune |
| ||
|
60+ |
1045+ |
135 |
70 |
Immune |
|
| |
|
60+ |
1045+ |
135 |
70 |
Immune |
|
| |
|
|
60+ |
1045+ |
135 |
70 |
Immune |
|
|
Locations
- Northwest of Murkwater Construction Site and south of Suffolk County Charter School is what is a partially submerged power station, with only the pylon towers above water. If the player character opens a door in the central pylon tower they will see a cinder block wall, with both a graffiti message that reads "YOU LOOK NICE TODAY!" and the same red skull decal used in Halloween decorations just beneath it. A Sentry Bot will spawn on the opposite side of the tiny building and start attacking the player character. Like other Sentry Bots, this Sentry Bot is level-dependent, e.g. at player character level 63 it is an Annihilator Mark II.
- Directly northeast of Murkwater Construction Site is a memorial to fallen soldiers, guarded by an initially inactive Sentry Bot.
- A Sentry Bot will attack the Sole Survivor after they exit the National Guard armory. When the cell resets, the Sentry Bot can be found patrolling the hill around the armory.
- West of Somerville Place and east of Vault 95 is a Sentry Bot in a cage, guarding a locked storeroom on a slight hill. Picking the lock and entering the storeroom, or attacking this Sentry Bot directly, will activate and release it.
- One is guarding an abandoned caravan on top of the small hill west of Medford Memorial Hospital.
- A Sentry Bot will attack at the top of the 35 Court building.
- An inactive Sentry Bot is present in Hester's Consumer Robotics, which will immediately explode if attacked.
- There's a chance of a Sentry Bot spawning near the collapsed highway between Easy City Downs and East Boston Police Station.
- Two Sentry Bots attack the player character after obtaining the Beryllium agitator in the Mass Fusion Building.
- Two can be found by and on the bridge southeast of Lynn Pier Parking, there are also an Assaultron and Mister Gutsy on a barge after passing the bridge.
- North of the South Boston military checkpoint, at an unmarked Red Rocket.
- On the broken highway just west of Flight 1981 at a Gunner outpost.
- West of Fairline Hill Estates and northeast of Egret Tours Marina. It is locked inside a maglock-locked building and will attack along with two Protectrons if the terminal controlling the door is hacked.
- Northwest of Coastal cottage is a Gunner outpost on a freeway that's guarded by a Sentry Bot and Assaultron.
- One patrols the road west of Fort Hagen that leads up to the Fort Hagen satellite array.
- One roaming the road southwest from ArcJet Systems/southeast from Federal Ration Stockpile.
- An inactive Sentry Bot can be found in the Old Robotics section of the Institute. It can be activated with the robotics terminal. It will fight the synths that are on the assembly floor, but will also be hostile to the player character.
- A non-hostile Sentry Bot is guarding the outside of Cabot House.
- At the robotics disposal ground there is a Sentry Bot that is deactivated. It can be activated by using the combat sentry proto MK IV holotape that is in a small building nearby.
- One is found in the Nuka-World Junkyard, under the ledge of garbage that the large red alien saucer is sitting on.
- A space sentry can be found in the RobCo Battlezone, in the arena after the other smaller robots are defeated.
Behind a limestone wall in Vault 88 in the area before the East sector.
Named
Notes
- Sentry Bots that are constructed with the minigun, missile launcher, or Gatling laser mods will generate a moderate amount of ammo for its primary weapon 24 in-game hours after its construction. This only occurs if the player character assigns them to a supply line.
- If the Sentry Bots rear wheel is crippled, it will use its two front legs to crawl and drag itself forward.
- The Sentry Bot is unable to turn its upper body 360 degrees, which is especially noticeable when both of its legs are crippled. However, it can still move its arms, thus allowing it to complete the full circle.
Appearances
Sentry Bots appear in Fallout 4 and its add-ons Automatron and Nuka-World.
Bugs
At the robotics disposal ground, the prototype Sentry Bot MKIV does not move once powered on. There are a number of fixes including fast travel elsewhere and sleep, using the Robotics Expert perk to disable and then reactivate the Sentry Bot, entering the console and click on the Sentry Bot, type disable, then enable, and if activated and it still won't move, deactivate either by hacking or the holotape (may say data corrupted), hit or shoot it once, then activate it.
Gallery
Sentry Bot about to enter cooldown phase
Sentry Bot cooling down, front view
Sentry Bot cooling down, rear view
Sentry Bot without armor
Combat sentry prototype MkIV at the robotics disposal ground
Various concepts, including early design stages
Rear view of the Sentry Bot, showing off the internals.
Front view of the Sentry Bot, showing off the internals.
Front view of the Sentry Bot, showing off the internals.
Rear view of the Sentry Bot
Front view of the Sentry Bot
Side view of the Sentry Bot
Poster for the Sentry Bot
Poster for the Sentry Bot, showing a cross section of the internals.
Automatron
References
- ↑ 1.0 1.1 Fallout 76 loading screens: "The Sentry Bot was designed for one purpose: security through overwhelming firepower. Its only real weakness is the short "cool down" phase after attacking, when its fusion core is most vulnerable."
- ↑ Fallout 4 loading screens: "The Sentry Bot is one of the most dangerous combat drones ever created, and utilizes a variety of heavy weapons systems to destroy its enemies. Upon death, it erupts in a devastating explosion."
- ↑ CrSentryBotGL.txt"Crime Detected. Death sentence authorized by judicial circuits."
