Fallout 4 Robots

General information
Robots and computers are artificial entities encountered in the Commonwealth and surrounding areas, for creatures, see Fallout 4 creatures.

Legendary enemies
Most robot types have a chance to spawn as a Legendary variant, as well as tiered named variants leading up to the Legendary robot. A Legendary will almost always drop weapons or armor with unique modifiers (displayed on the Pip Boy with a star). For more information on these modifications, see Legendary effects.

In combat, Legendary enemies are very powerful as they are stronger than non-Legendary creatures of the same type (see below for specific differences), and they are often among the highest-leveled variants a player is capable of running into at their particular level.

Legendary enemies will "mutate" once they lose half their health, in which they instantly heal to full health and possibly grow stronger. To avoid mutations, one must use a powerful kill shot such as a critical or explosion before the enemy dips below half health. But in the case of legendary sentry bots, after death instead of one explosion, two occur.

The chance of a creature spawning as Legendary varies based on difficulty. The default difficulty is Normal.

Turrets
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 * Automated turret

Wall/Ceiling mounted

 * Laser turret
 * Laser turret - 3 shot
 * Laser turret - Institute
 * Machine gun turret
 * Machine gun turret - 3 shot
 * Tesla turret

Floor mounted

 * Animatronic alien
 * Defense construct
 * Machinegun turret Mk I
 * Machinegun turret Mk III
 * Machinegun turret Mk V
 * Machinegun turret Mk VII
 * Machinegun turret Mk I - shopping cart
 * Machinegun turret Mk III - shopping cart
 * Machinegun turret Mk V - shopping cart
 * Machinegun turret Mk VII - shopping cart

Settlement
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 * Spotlight
 * Spotlight - wall-mounted
 * Machinegun turret
 * Heavy machinegun turret
 * Laser turret
 * Heavy laser turret
 * Shotgun turret
 * Missile turret