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On the border of chartered space, an enclave of small, strange, seemingly intelligent creatures was discovered by Tenno explorers. They are mechanical entities, almost organic in appearance, with a precarious resemblance to the fearsome Sentients that had decimated human civilization. However, these creatures showed no signs of aggression, and they immediately began carrying out helpful tasks in peculiar alliance with the Tenno.

—Sentinels Fragment
Not to be confused with Sentient.

Sentinels are hovering companions that follow their Tenno masters around and assist in various ways, dependent on the precepts used to program them. It is possible to program sentinels with precepts, or skill mods, that can turn a sentinel into an attack drone or a support drone. Sentinels can also accommodate their own unique stat-increasing Mods, similar to Warframe mods. 

PetCarrier

Sentinels, like Weapons and Warframes, level up with Affinity. They have health, shields, armor, a personal weapon, and energy reserves. They can be targeted separately from their Tenno master and do not go into bleedout; they will immediately explode and do not revive for the rest of the mission, unless their master dies and spends a Revive or the sentinel has Mod TT 20pxRegen (Or Reawaken for Djinn) precept installed. Enemies tend to target a Warframe first, but may target the sentinel if it acquires threat.

Each Sentinel comes with a unique weapon, taking up a total of two Robotic slots, which are independent from Warframe and Weapon slots and shared with Robotic weapons and MOA Companions. An additional pair of slots costs Platinum6412 to purchase. All Sentinels will come with two mods specific to their type. Sentinels have four Penjaga Pol Polarity slots, an Orokin Reactor upgrade slot, and can be Polarized with a Forma.

Currently, all Sentinels may be acquired and equipped regardless of Mastery Rank.

AcquisitionEdit

Generally, most sentinels can be bought from the market fully-built and with their own inventory slots for Platinum6475. Alternatively, their Blueprints can be purchased for Credits64100,000 (Credits645,000 for Taxon), but without corresponding inventory slots to go with them.

There are several exceptions to this rule:

Robotic WeaponsEdit

Sentinels can equip other Sentinels' weapons (with the exception of Helios's SentinelGlaiveWeapon Deconstructor, which can only be equipped on Helios, though Helios can freely use other weapons) provided additional weapons are available. However, the only way to get another sentinel's weapon is to craft that particular sentinel to retrieve their specific weapon. All sentinels do not attack by default unless they possess the Mod TT 20pxAssault Mode precept. Players may also opt to unequip a Robotic weapon altogether if attacking enemies will be detrimental to the given mission. Though Robotic weapons can be sold independent of their parent Sentinel, the player cannot sell their last Robotic weapon.

Sentinels also share Robotic weapons with MOAs. Even though all Robotic weapons are acquired by building a Sentinel, Legs in Fortuna sells blueprints for Robotic weapons that are not attached to a Sentinel and can be used by both Companions.

All Robotic weapons can use normal weapon mods, provided the mod is compatible with the Robotic weapon in question (e.g. the Diriga's SentinelElectricRailgun Vulklok can use Sniper Mods along with Rifle Mods, but the Dethcube's DESentinelDethMachineRifle Deth Machine Rifle can only use Rifle mods). Mods that affect Fire Rate, base damage, Multishot, Critical Hits, Elemental Damage, and Status Chance all work as normal, whereas mods that affect Reload Speed will only affect the cooldown between bursts from the Shade's DESentinelBurstLaser Burst Laser or the Wyrm's DESentinelLaserRifle Laser Rifle, and mods that affect maximum ammo capacity have no noticeable effect on any Robotic weapon.

However, a weapon mod cannot be used in both a player's active weapon and their sentinel's active weapon, for example the DESentinelSweeper Sweeper cannot use the same copy of Mod TT 20pxPoint Blank equipped on a Hek Hek. For this reason, mod duplicates may be needed if one wishes to use the same type of mod for their sentinel and their primary weapon. In the event that there is such a conflict when swapping out weapons in the Arsenal, the game will ask if it can swap out the shared mod with a different copy of equal power or effect.

Sentinel ModsEdit

EnhancedVitalityMod

Aside from the pool of mods shared between all Sentinels, there are at least two exclusive Sentinel Mods for each Sentinel (including any available variants) that modifies its behavior during combat. Typically, these are obtained as soon as the player claims them from the Foundry, though some of them can drop from enemies, and others can be found from other sources.

Mod PriorityEdit

As with all Companions, Precept mods will have different priorities in which they are used, based on which slot they equipped in; the top left mod slot has the highest priority and will be used most often, while the bottom right mod slot has the lowest priority and will be used least often. Managing these mods is key to get the most out of your Sentinel.

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Highest priority at top-left, lowest priority at bottom-right.

Sentinel Stat ComparisonEdit

Name Base Health Base Shields Base Armor Nominal Base EHP EHP + Shields Base Range Polarities
Carrier 200 100 50 233.3 333.3 5.8 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Carrier Prime 400 100 150 600 700 5.8 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin PolMadurai Pol
Dethcube 200 100 50 233.3 333.3 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Diriga 350 50 50 408.3 458.3 40 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Djinn 200 100 50 233.3 333.3 35 Penjaga PolPenjaga PolPenjaga PolPenjaga PolNaramon Pol
Helios 200 100 50 233.3 333.3 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Helios Prime 250 100 100 333.3 433.3 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Oxylus 200 100 50 233.3 333.3 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Shade 350 50 50 408.3 458.3 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Shade, Prisma 350 100 75 437.5 537.5 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga PolNaramon Pol
Taxon 200 100 50 233.3 333.3 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Wyrm 200 100 50 233.3 333.3 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Wyrm Prime 225 300 150 337.5 667.5 17.5 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol

Name Max Health Max Shields Max Armor Nominal Max EHP EHP + Shields Max Range Polarities
Carrier 640 375 105 864 1239 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Carrier Prime 1280 375 315 2624 2999 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin PolMadurai Pol
Dethcube 640 375 105 864 1239 30 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Diriga 1120 188 105 1512 1700 70 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Djinn 640 375 105 864 1239 60 Penjaga PolPenjaga PolPenjaga PolPenjaga PolNaramon Pol
Helios 640 375 105 864 1239 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Helios Prime 800 375 210 1360 1735 10 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Oxylus 640 375 105 864 1239 30 Penjaga PolPenjaga PolPenjaga PolPenjaga PolVazarin Pol
Shade 1120 188 105 1512 1700 30 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Shade, Prisma 1120 375 157.5 1708 2083 30 Penjaga PolPenjaga PolPenjaga PolPenjaga PolNaramon Pol
Taxon 640 375 105 864 1239 30 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Wyrm 640 375 105 864 1239 30 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol
Wyrm Prime 720 1125 315 1476 2601 30 Penjaga PolPenjaga PolPenjaga PolPenjaga Pol

Effective Health (EHP) calculated as Health/(1-armor/(armor+300)), and does not account for damage type.
 

Range refers to the attack range of that Sentinel's specific targeting precept.


NotesEdit

  • Whenever a Sentinel kills an enemy, the player only receives Warframe experience from the kill. Even if the player assisted in the kill, no weapon experience is awarded. Any experience gained through Affinity Orbs will be shared across all equipment.
  • While using NyxIcon272 Nyx's MindControl130xDark Mind Control ability, your sentinel may periodically fire a bullet at your controlled foe.
  • If a player remains idle for an extended period of time, a Sentinel will "disable," stopping its idle animation and causing it to not fire or use abilities, presumably to prevent players from idling. They can be re-enabled by moving several meters.

TipsEdit

  • Because of the aforementioned Priority system, it may be wise to equip utility-based Precept mods (be it Sentinel-specific or general Sentinel mods) at higher priorities over attack Precept mods, so Sentinels can assist players immediately when the situation calls for it.
    • Mod TT 20pxCoolant Leak, Mod TT 20pxRegen, Mod TT 20pxSanctuary, and Mod TT 20pxAnimal Instinct can be placed in any mod slot as their effects are inherently passive, thus they are not affected by Priority nor do they interfere with it. The same applies to mods that affect a Sentinel's stats directly.

Comparison to CompanionsEdit

The following comparison assumes that the player possesses all available mods for Sentinels, Kubrows and Kavats.

Advantages:

  • Easy to acquire — requires only blueprints and resources to build.
  • No maintenance costs.
  • Can engage enemies at range.
  • Can switch between different weapons.
  • Tethered to the player, keeping it from getting caught up on terrain or engaging in combat unrelated to their owner.
  • Wider array of crowd-control options.
  • If killed, can be resurrected with full health if a killed player uses a Revive, or if the Sentinel has Mod TT 20pxRegen equipped.

Disadvantages:

  • Comparatively fragile in combat, vulnerable to Damage-over-Time effects and Area-of-Effect attacks.
    • Lower maximum shields overall.
    • Lower maximum health.
    • Weak armor rating (although Prime Sentinels have higher armor values compared to their regular counterparts).
    • Does not go into bleedout.
      • Though Mod TT 20pxRegen/Mod TT 20pxPrimed Regen can revive a Sentinel upon losing all its health, it only works a limited number of times per mission. If the Sentinel uses all its Regen charges, it stays destroyed until the player uses a revive.
  • Consumes 2 inventory slots when retrieved from the Foundry, one for the Sentinel and one for its weapon.

TriviaEdit

  • Interestingly, the data Fragments that players can scan on Mars seem to suggest that most of the early Sentinels were perhaps an offshoot of the Sentients that were (fortunately) non-aggressive upon their discovery, and were subsequently used to assist the Tenno during missions. This is reflected in how most Sentinels, particularly those of Tenno origin, tend to be more organic in appearance compared to those built by other factions (such as the Grineer-built Diriga).

MediaEdit

  • Robotic Weapons Selection

Patch HistoryEdit

Hotfix 25.7.4

Hotfix 25.7.2

  • Companion Weapon Rivens have been added back to Simaris’ Offerings! This time they will unveil for the proper weapon.

Hotfix 25.7.1

  • Temporarily removed Companion Weapon Rivens from Simaris’ Offerings due to being unveiled for the incorrect weapon type. They will be added back once we make a permanent fix.
    • We’re working on a script to refund the Simaris Standing to those who were able to purchase the Rivens. Script has completed! Please relog if you don't see the refunded Simaris Standing.

Update 25.7

  • Companion Weapon Rivens are available from Simaris’ Offerings for Standing (The War Within completion required), and yes, this includes the Artax!
    • If you recall back in Update 24.0 we removed Sentinel Weapon Rivens from the pool due to being lackluster in comparison to more applicable weapons. Adding Companion Weapon Rivens to Simaris’ Offerings allows players to freely choose these Rivens if they desire, and leaving it out of the general Riven Mod generation pool for those who don’t want them.

Update 11.5

  • All Sentinel Weapons now respond to fire-rate mods, magazine-size mods, and reload-time mods.

Update 11.0

  • Sentinels now come with a default amount of armor

Update 10.0

  • Sentinels can now wield any (primary/secondary?) weapon you want!
  • Sentinel Weapons no longer locked to the Sentinel bundled with at purchase.

Update 7.5

  • Sentinel will now revive with the player if dead when the player spends a revive.

Update 7.4

  • Sentinel weapons can now have mods, currently uses player's rifle/pistol mods

Update 7.2

  • Sentinel weapons now gain XP
  • Sentinels are now affected by Trinity's healing powers

Update 7

Introduced
  • Sentinels - customize and program a Sentinel “pet” to accompany you on missions.
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