Sentinel

Sentinels are sentient species in No Man's Sky.

Summary

Sentinels are self-replicating machines of unknown origins which police the universe to suit their own unknown purposes.

Sentinel Activity Levels

The following sequence is taken from the game data.

Sequence	None	Rare (Low)	Default (High)	Aggressive	Corrupted
1.	None	Low	Attentive	Aggressive	Corrupted
2.	Absent	Minimal	Enforcing	Frenzied	Forsaken
3.	Not Present	Low Security	Frequent	High Security	Rebellious
4.	None Present	Limited	Require Orthodoxy	Hostile Patrols	Answer To None
5.	None	Infrequent	Require Obedience	Threatening	Sharded from the Atlas
6.	Not Present	Sparse	Regular Patrols	Hateful	Dissonant
7.	None	Isolated	Frequent	Zealous	De-Harmonised
8.	None	Remote	Unwavering	Malicious
9.	None	Irregular Patrols	Observant	Inescapable
10.	None	Spread Thin	Ever-present
11.	None	Intermittent
12.	Missing	Few

Note: The On-Foot Combat combat setting will change the Sentinel Activity level for all worlds. Worlds added to this wiki should use the Standard level of this setting.

Sentinel States

Sentinels have various behavior states which indicate what each is currently doing.

The following sequence is taken from the game data.

Sequence	Investigate	Patrol	Alert
1.	Investigating...	Patrolling...	High Alert
2.	Searching...	Uploading Report...	Combat
3.	Inspecting...	Cruising...	Requesting Assistance
4.	Scanning...	Watchful...	Engaging
5.	Auditing...	Registering Activity...	Targeting
6.	Probing...	Sensors Ready...	Target Acquired
7.	Reviewing...	Patrolling...	Repairing Breach
8.	Analysing...	Patrolling...	Repairing Anomaly
9.	Studying...	Patrolling...	Cleansing Anomaly
10.	Anomaly Detected...	Low Power Mode	BREACHED
11.	Detecting Breach...	Recharging	Combat
12.	Oversight Initiated...	Reconnecting...	Weapons Deployed
13.	Observing...	Processing...	Targeting
14.	Irregularity Detected...	Optimising...	Combat
15.	Analysis Required...	Awaiting Orders...	High Alert
16.	Sensors Deployed...

Sentinel Missions

Sentinels have various tasked missions which indicate what each is currently doing.

The following sequence is taken from the game data.

Sequence	Guard	Patrol	Support
1.	Guard Duty	Ambient Protection	Support Unit
2.	Security	Active Patrol	Rapid Response
3.	Local Defence	Anomaly Suppression	Active Suppression
4.	Active Defence	Intelligence Suppression	Anomaly Destruction
5.	Escort	Field Scout	Combat Support
6.	Localised Suppression	Anomaly Hunt	Breach Repair
7.	Sentry	Area Suppression	Anomaly Repair
8.	Active Protection	Boundary Protection	De-escalation
9.	Guardian	Boundary Enforcement	Counter Attack
10.	Active Oversight	Breach Detection	Advanced Combat
11.	Local Overwatch	Anomaly Ward	Retaliation
12.	Active Protection	Passive Enforcement	Rapid Suppression
13.	Area Defence	Oversight Patrol	Retribution
14.	Specific Patrol	Ambient Protection	Anomaly Neutralisation
15.	Anomaly Buffer	Mobile Aegis	Sentience Destruction

Additional information

• The Sentinel Activity Level sequence was extracted from the 2.44 version of NMS_LOC5_ENGLISH.MBIN game file by PC player Ertosi.
  • The Sentinel Activity Level sequence for Corrupted sentinels was added with the Interceptor updated. It was extracted from the 4.23 version of NMS_LOC8_ENGLISH.MBIN game file by PC player Ertosi.
• The Sentinel states and mission sequences were extracted from the 2.44 version of NMS_UPDATE3_ENGLISH.MBIN game file by PC player Ertosi.
• The Waypoint update added customizable difficulty settings, which changed the Sentinel Activity Level of all worlds.
• The Interceptor update added a new Corrupted set of descriptions for Sentinel Activity levels.