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Helios

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With 'Investigator' as its unique Precept and the 'Deconstructor' as its weapon, the versatile Helios Sentinel acts both as a lethal guardian and as an automatic codex scanner.

Helios is a  Corpus support Sentinel pre-equipped with the Glaive-esque  Deconstructor as its default weapon and the  Investigator precept to assist the player with Codex scans. Additionally,  Detect Vulnerability can be used to scan for weak points on enemies with already completed Codex entries.

Acquisition

Helios can be researched from the Energy Lab in the Dojo.

Note that acquiring Helios requires two open Companion slots: one for Helios itself and one for the  Deconstructor robotic weapon it comes with.

Manufacturing Requirements

5,000
10
300
5,000
1 		Time: 24 hrs
Rush:  35
 Market Price: 75  Blueprints Price:  15,000
Energy Lab Research • 3,000

7,500
7
100
750
350 		Time: 72 hrs
Prereq:  Lanka
Ghost Clan x1   Shadow Clan x3   Storm Clan x10   Mountain Clan x30   Moon Clan x100

Exclusive Precept mods

View List of Sentinel Mods List▾▾
Name Description Sentinel Polarity Rarity Precept
 Accelerated Deflection Increases shield recharge rate of the Sentinel Any Uncommon No
 Ambush The Sentinel buffs its owner's weapon damage after breaking invisibility granted by Ghost Shade Rare No
 Ammo Case Mutates ammo to the ammo type your equipped weapon is using
Increases ammo capacity 		Carrier Common Yes
 Arc Coil Sentinel will zap multiple enemies within range Diriga Common Yes
 Assault Mode The Sentinel will attack the first visible enemy in range Any Common Yes
 Auto Omni The Sentinel will repair Railjack breaches and extinguish flames Nautilus Common Yes
 Botanist The Sentinel periodically scan nearby plants Oxylus Rare Yes
 Calculated Shot Sentinel charges a powerful shot and fires at first enemy in sight Diriga Common Yes
 Cordon Sentinel clusters enemies in range Nautilus Common Yes
 Crowd Dispersion The Sentinel unleashes a radial stun and knockdown when targets get close Wyrm Common Yes
 Detect Vulnerability The Sentinel marks damage multiplying weakspots on enemies with completed codex entries Helios Rare Yes
 Electro Pulse Sentinel continually zaps a nearby enemy, trapping them in a stunned state Diriga Common Yes
 Energy Generator The Sentinel will drop an energy orb after assisting in kills Dethcube Rare Yes
 Fatal Attraction The Sentinel pulls enemies towards the user Djinn Common Yes
 Fired Up Increases weapon damage of Sentinel in recurrent attacks Any Rare No
 Ghost The Sentinel cloaks its owner when enemies are close Shade Common Yes
 Investigator The Sentinel will automatically scan enemies and objects to add to the Codex Helios Common Yes
 Looter The Sentinel will break nearby containers by releasing a wave of energy that destroys all breakable Storage Containers within 12 meters at max rank. Carrier Rare Yes
 Molecular Conversion The Sentinel will attack enemies within range and convert the damage into Shields for the Warframe Taxon Common Yes
 Negate Sentinel prevents Status Effects from applying to its owner once every 15s Wyrm Rare Yes
 Odomedic Wallrunning regenerates health for its owner every 3m Any Rare No
 Primed Regen Reduces recovery time and grants invulnerability on reviving Any Legendary No
 Reawaken Energy Orb pickups reduce recovery time and grant Overshields on revival. Increases max Overshields Djinn Rare Yes
 Regen Reduces recovery time and grants invulnerability on reviving Any Common No
 Repair Kit Increases Heal Rate (Health Regen) of the Sentinel Any Common No
 Revenge The Sentinel will attack the enemy which attacked its owner Shade Common Yes
 Sacrifice The Sentinel will revive its owner at the cost of its own life Any Rare Yes
 Sanctuary The Companion creates shield around its owner when they are reviving fallen allies Any Companion Rare Yes
 Scan Aquatic Lifeforms The Sentinel shows Fishing Hotspots and applies Luminos Dye on nearby fish Oxylus Common Yes
 Scan Matter The Sentinel periodically shows resource containers on the mini-map Oxylus Common Yes
 Self Destruct The Sentinel explodes upon death, dealing Blast damage to nearby enemies Any Rare No
 Spare Parts The Sentinel has a chance to drop a rare material upon death. Any Uncommon Yes
 Targeting Receptor The Sentinel will attack the first visible enemy in range Helios Common Yes
 Thumper The Sentinel will attack the first visible enemy in range Djinn Common Yes
 Vaporize The Sentinel will fire a powerful beam at close enemies, dealing high damage and stunning those that survive Dethcube Common Yes

Precept Mod Notes

  • Whether this Sentinel's unique precept mods are equipped or not, and the order in which they are equipped, will affect its behaviour:
    • Helios will only attack targets if  Targeting Receptor is equipped in one of its first two slots, while  Assault Mode will function in any slot.
    • As of November 2020, with  Targeting Receptor the Deconstructor will fire in 3-round bursts, followed by a ~6 second cooldown. If the current target dies early the Deconstructor will not fire the rest of its burst at anything else, and will enter the long cooldown. This is inferior to  Assault Mode, which will have the Deconstructor fire at full rate for its full 6 round clip at a much farther range. This extensive delay on switching targets happens with every weapon type.
    • The precept equipped in the first slot will determine whether Helios prefers to attack ( Targeting Receptor/ Assault Mode) or scan ( Investigator/ Detect Vulnerability).
    • Helios can attack while scanning and vice versa. However it will not attack the target it is currently scanning until the scan is completed. (Unless you have  Targeting Receptor in a higher priority slot than  Investigator).
  • The  Investigator precept draws its scans from the user's pool of Codex Scanners. The Codex Scanners must be equipped in the Gear interface in Arsenal in order for Helios to use them.
  • Helios can use a player's Synthesis Scanner to scan targets if no Codex Scanner is available. Helios' scans do not count towards Simaris standing.
    • If one has the Sol-Battery Widget, these scans will not drain charges from the Synthesis Scanners, allowing for free scanning.
  • Helios emits a beeping sound cue upon starting a scan. During the scanning, the target is highlighted in Helios' energy color. When the scan is complete, the scan target will flash white and a sound effect will play. Helios scans also grant Affinity rewards (and stealth bonus, if the scan target is hostile and has not been alerted to your presence). As long as an object or enemy is partially visible (health bar and name appears when aiming at a body part) it can be scanned.
    • Whilst Investigator does automatically expend scan charges, aiming at an object or enemy will cause Helios to scan that particular target first.
    • Helios will scan the plant life and reward extracts for Antitoxins as long as the plant's Codex entry is not completed.
    • With  Investigator installed, Helios periodically reveals close-by items of interest, such as consoles or Defense objectives, as orange silhouettes, identical in effect to being zoomed in with the Codex Scanner.
  • When scanning without any other instructions (such as the user aiming at a specific target), Helios can occasionally scan targets through walls and other solid objects.
  • Helios can continue scanning an enemy even if it dies, as long as the corpse is still visible and within scanning range.
    • The corpse will continue to be scanned even if shot away with a weapon that pins enemies, such as the  Paris, until the corpse flies outside of the scanning range.
  • Helios can scan bosses through the boss's opening cinematic.
  • There are some non-combat zones such as a Clan Dojo that can contain scannable objects/decorations. Since in non-combat zones the Gear Wheel doesn't work to access a Scanner manually, equipping Helios with Investigator is the ONLY way to get scans of these items.
  • Helios will not automatically scan friendly units, such as during Invasions. (Possible bug.)

Notes

  • The Helios-exclusive precept mod  Targeting Receptor no longer drops as of Update 24.0 (2018-11-08). It was replaced with the non-exclusive  Assault Mode precept mod.
  • Helios is currently the only Sentinel able to use the  Deconstructor Sentinel melee weapon.
  • Helios doesn't take damage whenever it passes through laser barriers.
    • However, its shields will still be reduced to 0.
  • Helios tends to aim at head level, enabling it to have a higher chance of landing head shots. On the downside, it tends to aim at where the head should be rather than where it is, making it miss shorter targets like MOAs and targets that are crouching.
    • This is only the case with the  Deconstructor. It aims just like any other Sentinel with other Sentinel weapons.
  • Helios is the cheapest Sentinel Blueprint to acquire, requiring only  15,000 from the Dojo Energy Lab to purchase.
    • However, it is the second most expensive Sentinel to produce, requiring 1 Forma, 300 Oxium, and 10 Fieldrons – Djinn is the most expensive Sentinel.
  • Helios will not scan an enemy if its codex entry is complete.

Trivia

  • Helios was introduced in Update 12.5 (2014-03-19).
  • Helios (/ˈhiːli.ɒs/; Ancient Greek: Ἥλιος Hēlios; Latinized as Helius; Ἠέλιος in Homeric Greek) was the personification of the Sun in Greek mythology. Known as the God of the Sun.
  • Helios is the first Corpus Sentinel.
    • Despite not being of Tenno design, the Helios has a prime variant.
  • Helios is vaguely shaped like a horseshoe.
  • Helios's model was designed by Lucas Hug.
  • Helios was featured in The New Strange quest, making it the first sentinel to appear as a Rescue target.
  • Lockjaw & Sol's codex entry revealed Alad V designed the Helios.


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This knowledge hungry protector defends its master with Deconstructor Prime.

Helios Prime is the Primed version of the  Helios Sentinel, featuring enhanced Health, Shield, and Armor, and comes with the enhanced  Deconstructor Prime. Helios Prime was released alongside  Banshee Prime and  Euphona Prime.

Acquisition

Note that acquiring Helios Prime requires two open Companion slots: one for Helios Prime itself and one for the  Deconstructor Prime robotic weapon it comes with.

Lith, Meso, Neo, and Axi refer to Void Relics  |  (V) Denotes Vaulted Void Relics  |  (B) Denotes Baro Ki'Teer Exclusive Void Relic
Helios Prime's Relic Drops
Carapace  Blueprint Systems Cerebrum
 Axi A3 Common (V)
 Axi C3 Common (V)
 Axi H3 Common (V)
 Lith K5 Common (V)
 Lith P1 Common (V)
 Meso E5 Common (V)
 Meso S6 Common (V)
 Neo N5 Common (V)
 Neo S7 Common (V)
 Neo V5 Common (V) 		 Lith C3 Uncommon (V)
 Lith N2 Uncommon (V)
 Lith V4 Uncommon (V)
 Meso C3 Uncommon (V)
 Meso E5 Uncommon (V)
 Meso Z1 Uncommon (V)
 Neo K1 Uncommon (V)
 Neo M1 Uncommon (V) 		 Axi A12 Uncommon (V)
 Axi N5 Uncommon (V)
 Axi O2 Uncommon (V)
 Lith V3 Uncommon (V)
 Lith Z2 Uncommon (V)
 Meso D2 Uncommon (V) 		 Axi H1 Rare (V)
 Axi H2 Rare (V)
 Axi H5 Rare (V)
 Lith H1 Rare (V)
 Lith H2 Rare (V)
 Meso H1 Rare (V)
Manufacturing Requirements

15,000
1
1
1
6 		Time: 24 hrs
Rush:  30
 Market Price: N/A  Blueprints Price: N/A

Comparisons

  • Helios Prime, compared to  Helios:

Trivia

Vaultings

  • On December 7th, 2018, it was announced that Helios Prime would enter the Prime Vault and be retired from the reward tables on December 18th, 2018. Any preexisting components or fully-built sentinels will remain as-is.

Gallery

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Helios can be equipped with the following items:

Cosmetics

See also

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Update 38.0 (2024-12-13)

  • Fixed Helios attempting to scan the Conclave Console in the Orbiter Captura Scene. As part of this fix, Helios has had all scanning privileges revoked while in Captura. Bad Sentinel!

Update 37.0 (2024-10-02)

Changes to Companion Precepts

Many Companion Precept effects are currently too small or too brief to be really beneficial. We want your choice of companion to feel more meaningful and for your Companion to contribute in a more visible way, so there are a whole lot of buffs to get through.

  • Detect Vulnerability (HELIOS Sentinel):
    • If the marked target dies, chooses a new target 2 seconds later
Rebalance of Sentinel weapons

The Origin system never stops developing the most exotic and destructive weapons known to Tenno-kind, and the weapons mounted to our Sentinels are no exception. The gap between the top and the bottom has gotten wider than we would like to see, so please enjoy these changes bringing up some of the weaker weapons. Not all weapons will focus on damage, some will get new utility features instead.

  • Deconstructor:
    • Previously: Helios Sentinel attacks enemies using pieces of itself (Damage 50, Status 25%, Fire Rate 1.33, Magazine 6/Reload 3, Critical 0%/1x)
    • Now: Increased the seeking cone for choosing a secondary victim on bounce to 90 degrees; damage increased. (Damage 130, Status 25%, Fire Rate 1.33, Magazine 6/Reload 3, Critical 0%/1x)
  • Deconstructor Prime:
    • Previously: Helios Sentinel attacks enemies using pieces of itself (Damage 75, Status 25%, Fire Rate 1.33, Magazine 6/Reload 3, Critical 0%/1x)
    • Now: Behavior unchanged but damage increased. (Damage 160, Status 25%, Fire Rate 1.33, Magazine 6/Reload 3, Critical 0%/1x)

Update 34.0 (2023-10-18)

COMPANION STAT CHANGES

Two broad changes have been made with regard to your Companion's base stats to increase their staying power:

1. Health, Shields and Armor have been refactored across the board.
This simple numeric buff was made with the goal of increasing Companion survivability. This also means that the choice of whether to use, for example, Enhanced Vitality or Linked Vitality, will depend on your Warframe choice instead of the Linked Mod always being strictly superior.

2. Non-Sentinel Companions now gain their full Health and Shield values immediately when you acquire them.
Historically Health and Shield values would increase as your Companion ranked up, which you could see as "Rank Bonuses" in the Upgrades screen. We've removed this behavior and simply given Companions what would end up being their Rank 30 values at Rank 0. This should let you immediately take your Companions on more difficult missions after earning them!

Including both the removal of Companion Rank bonuses, and the base increase to stats, the following lists the stat changes for all Companions at Rank 0:

Revised Sentinel Stats:

  • Helios: 560 Health (from 200), 250 Shield (from 100), 80 Armor (from 50)
  • Helios Prime: 700 Health (from 250), 300 Shield (from 100), 100 Armor (from 100)

Hotfix 32.1.4 (2022-11-09)

  • Removed Helios Prime's Mastery Rank 8 requirement.
    • A follow up to Hotfix 32.0.9, Helios Prime was the only Sentinel with a Mastery Rank requirement, so we removed it to make it consistent with the rest.

Update 30.3 (2021-05-25)

  • Fixed Helios UI scan sounds playing loudly during Orbiter fly in cinematics.

Hotfix 29.5.2 (2020-11-20)

  • Fixed Helios attempting, but not completing, scans while you are in Necramech form.

Update 29.5 (2020-11-19)

  • Fixed Helios struggling to Scan anything while you’re piloting a Necramech.

Hotfix 25.7.4 (2019-09-05)

  • Fixed incorrect Energy colors on the Simaris Helios Skin.

Hotfix 24.2.8 (2019-01-15)

  • Reverted the recent Helios scanning changes to restore its ability to scan collectibles (Thousand-Year Fish, Fortuna Lore Fragments, etc). After much player and internal feedback, we’re keeping this a ‘bug turned feature’.

Hotfix 24.2.7 (2018-01-09)

  • Helios no longer scans Solaris Lore Fragments.

Hotfix 23.0.8 (2018-07-09)

  • Optimized Helios's Detect Vulnerability Precept.

Hotfix 22.17.4 (2018-04-13)

  • Optimized Helios' Investigator Precept: it should now find targets more than 10x faster and no longer causes periodic spikes in frame-time as high as 7ms.

Update 22.15 (2018-03-07)

  • Fixed Helios' Detect Vulnerability precept not applying the Damage multiplier on enemies seated in mounted guns or Jesters riding Kuva Guardians.
  • Fixed cases where Helios began vibrating when equipped with the Investigator precept.

Update 22.0 (2017-10-12)

  • Fixed Helios and Helios Prime taking a long time to find a new target after being interrupted.

Hotfix 20.4.6 (2017-05-11)

  • Fixed a crash from Helios' Detect Vulnerability Precept.

Update 19.12 (2017-03-02)

  • Fixed file paths appearing for Helios Prime when crafting it in the Foundry.
  • Deconstructor Prime can now be used on non-Prime Helios.
  • Fixed file paths appearing for Helios Prime when crafting it in the Foundry.
  • Fixed being able to equip Deconstructor on a Sentinel that is not Helios.

Hotfix 19.11.5 (2017-02-28)

  • Introduced Helios Prime.
  • Fixed a bug where non-Helios Sentinels could equip the Deconstructor when randomizing their loadout.

Update 19.4.2 (2016-12-20)

  • Fixed missing note on the Open Slot requirement for Helios in the Arsenal.

Hotfix 19.0.2 (2016-11-12)

  • Reduced the damage of Helios' Deconstructor in The War Within quest.

Update 18.14 (2016-06-08)

  • Fixed Helios' Detect Vulnerability at max rank (now 2.75x damage at rank 5 instead of 2.5x).

Update 18.9 (2016-04-20)

  • Fixed Helios' Deconstructor not continuously firing.

Update 18.0 (2015-12-03)

  • Helios can now use Synthesis Scanners if there are no Codex Scanners equipped or remaining in the player's Gear.

Hotfix 17.0.3 (2015-08-04)

  • Fixed Helios being able to scan Oddities.

Hotfix 17.0.2 (2015-07-31)

  • Fixed Helios being able to scan Oddities.

Hotfix 16.5.6 (2015-05-19)

  • Fixed Helios not attacking enemies when equipped with the Deconstructor.

Hotfix 16.3.1 (2015-04-10)

  • Fixed Helios' Simaris skin using the wrong energy color.

Hotfix 16.1.3 (2015-03-26)

  • Fixed an issue where reviving would cause Helios to scan targets with complete Codex entries.

Update 16.0 (2015-03-19)

  • Helios: Detect Vulnerability - Upon completing research on an enemy subsequent scans will reveal their weak points. This ability works similar to Banshee`s sonar.
  • Fixed an issue where if Helios restarts his scan, players would lose all Codex information gained in the Mission so far.
  • Fixed the energy color of Helios not applying to his center ?eye? until you back out of Appearance in the Arsenal.
  • Fixed issue with Helios caused by viewing another players profile then entering a Mission, causing Helios to count scans from other players completed Codex.

Hotfix 15.5.1 (2014-11-27)

  • Fixed issue with Helios not scanning properly.

Update 15.0 (2014-10-24)

  • Fixed Helios refusing to scan decorations while there were scannable objects out of sight.
  • Changed Helios to reduce time between scans (often over 3 seconds was wasted).
  • Simplified Helios' scan logic to avoid a bunch of heavy-lifting that is already done by native code.

Update 14.5 (2014-08-28)

  • Fixed Helios endlessly rescanning things not in the Codex. Specific examples: void turrets, arc traps, Grineer laser sensors above doors, smashable grates & fans.

Update 13.6 (2014-06-04)

  • Improved the performance of the Helios' Scanner ability.
  • Improved Helios target detection and tracking so as to allow Helios to detect and begin scanning enemies outside of the standard field of view. Helios will now also turn towards the target that is being scanned.
  • Helios will now prefer to scan enemies over environmental objects if both type of targets are available.

Hotfix 13.4.1 (2014-05-23)

  • Fixed an issue with Helios' incorrectly scanning objects outside of the players aim as well as objects whose Codex entry is already complete. Helios fix, Codex entries for crates will follow.

Update 13.3 (2014-05-14)

  • Fixed Helios' Investigator Precept not properly displaying/calculating its max rank and perpetually behaving like a rank 0 mod. It will also receive a target lock so it doesn't Get distracted during scans so easily.

Update 13.2 (2014-05-01)

  • Fixed an issue with Helios scanning objects that have already been fully scanned.

Update 12.6 (2014-03-26)

  • (Unranked attack precepts will have half the range listed above).
    Helios is special at does not increase with rank (it is always 10m) however ranking up the Targeting Receptor precept increase the number of active glaives it can manage.
  • Fixed the damage type on the Deconstructor (Helios) Sentinel weapon so as to allow Melee mods to properly affect its stats

Hotfix 12.5.1 (2014-03-19)

  • Fixed potential issues with Helios not having high resolution textures.

Update 12.5 (2014-03-19)

  • Introduced.

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Companion
Robotic
Sentinel  Carrier ( Prime) •  Dethcube ( Prime) •  Diriga •  Djinn •  Helios ( Prime)
 Nautilus ( Prime) •  Oxylus •  Shade ( Prime,  Prisma) •  Taxon •  Wyrm ( Prime)
MOA  Lambeo Moa •  Oloro Moa •  Para Moa •  Nychus Moa
Hound  Bhaira Hound •  Dorma Hound •  Hec Hound
Beast
Kubrow  Chesa Kubrow •  Helminth Charger •  Huras Kubrow
 Raksa Kubrow •  Sahasa Kubrow •  Sunika Kubrow
Predasite  Vizier Predasite •  Pharaoh Predasite •  Medjay Predasite
Kavat  Adarza Kavat •  Smeeta Kavat •  Vasca Kavat •  Venari ( Prime)
Vulpaphyla  Sly Vulpaphyla •  Crescent Vulpaphyla •  Panzer Vulpaphyla
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