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Always prepared to sacrifice. This monastic Warframe uses the Void to bolster allies' defenses and amplify their lethality.

This is Harrow, the monastic, the ritualist.

Harrow is suffragan to the Void. Will you believe, Tenno?

Release Date: June 28th, 2017

Dauntless and devout, the dark priest Harrow bestows upon his coven three virtues: salvation through sacrifice, redemption through vengeance, and ascension through defiance.

Nemeses beware, for only death awaits. Enchain the tainted, silence their heresy, and deliver their tormented souls unto the Void's embrace. Harrow was absolved in Update 21.0 (2017-06-29).

Acquisition

Harrow's main blueprint is awarded upon completion of the Chains of Harrow quest. The Chassis blueprint is acquired from defeating Void Fissure enemies, the Neuroptics blueprint can be found from Rotation A Spy vaults on Pago, Kuva Fortress, and the Systems blueprint is rewarded from Defection missions on Rotations B and C. Both Neuroptics and Systems can also be obtained from Rotation C Kuva Survival on Taveuni, Kuva Fortress.

Additional main blueprints can be bought from Cephalon Simaris for ReputationBlackx64.png 50,000.

Item Source Chance Expected Nearly Guaranteed
Systems.png Systems Blueprint Tier 2 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
Systems.png Systems Blueprint Tier 2 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
Systems.png Systems Blueprint Tier 3 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
Systems.png Systems Blueprint Tier 3 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
Systems.png Systems Blueprint Kuva Fortress Survival / C 12% ~ 8 C Rotations 54 ± 18 C Rotations
Systems.png Systems Blueprint Tier 1 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
Systems.png Systems Blueprint Tier 1 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
Helmet.png Neuroptics Blueprint Kuva Fortress Survival / C 12% ~ 8 C Rotations 54 ± 18 C Rotations
Helmet.png Neuroptics Blueprint Kuva Fortress Spy / A 16.67% ~ 5 A Rotations 37 ± 12 A Rotations
Chassis.png Chassis Blueprint Void Fissure Corrupted Enemy 3% ~ 33 Kills 226 ± 75 Kills

All drop rates data is obtained from DE's official drop tables. See Mission Rewards#Standard Missions for definitions on reward table rotations. Drop chances are rounded to two decimal places, following the official drop tables repository.
Expected means a player can expect to obtain at least one of a drop every N attempts on average.
Nearly Guaranteed refers to the total number of attempts a player needs to obtain a 1 in 10^2,3, and 4 probability not to have recieved a single drop (99%, 99.9%, and 99.99% probability to have received at least one drop).
The combined probability of multiple drops is 1 - ((1-A%) * (1-B%) * ...) (add drops in same rotation)

For more detailed definitions and information, visit here.

Manufacturing Requirements
CreditsLarge.png
25,000
Helmet.png
1
Chassis.png
1
Systems.png
1
Kuva.png
2,000
Time: 72 hrs
Rush: Platinum64.png 50
MarketIcon.png Market Price: Platinum64.png 225 Blueprint2.svg Blueprints Price:N/A
Harrow Neuroptics Blueprint
CreditsLarge.png
15,000
Rubedo.png
1,500
PolymerBundle.png
4,000
Plastids.png
2,000
NeuralSensors.png
5
Time: 12 hrs
Rush: Platinum64.png 25
Harrow Chassis Blueprint
CreditsLarge.png
15,000
AlloyPlate.png
20,000
Salvage.png
25,000
Oxium.png
800
OrokinCell.png
5
Time: 12 hrs
Rush: Platinum64.png 25
Harrow Systems Blueprint
CreditsLarge.png
15,000
Circuits.png
2,500
Cryotic.png
1,000
Ferrite.png
25,000
ControlModule.png
15
Time: 12 hrs
Rush: Platinum64.png 25

Notes

  • If Harrow wields his signature Knell.png Knell/KnellPrime.png Knell Prime, the weapon's magazine size is increased by 1 round, for a total of 2 rounds.
  • Harrow holds the highest Overshield capacity of all Warframes in the game: 2,400.
  • Harrow's Condemn130xDark.png Condemn seems to disable DmgElectricitySmall64.png Electricity status effects (may be bug).

Tips

  • Harrow can achieve the second-highest total shield value out of all Warframes (behind HildrynIcon272.png Hildryn) at 4,110 by combining Mod TT 20px.png Redirection, Mod TT 20px.png Primed Vigor, Mod TT 20px.png Augur Accord, and his maximum Overshields. This number can potentially be higher with other buffs that increase shield capacity (such as Mod TT 20px.png Shield Charger and Sequence).
  • For Grinlok.png Grinlok users, Harrow may offer quite a lot of synergy when considering critical chance Riven Mods and Mod TT 20px.png Deadly Sequence. Apart from being a decently accurate rifle, the mentioned mods synergize very well with Condemn130xDark.png Condemn, Penance130xDark.png Penance, and Covenant130xDark.png Covenant. This is because they grant better critical chance and the Sequence effect buffs the maximum shields by 50% and hence allows Penance to last longer, Condemn to be more effective, and Covenant to yield better returns with criticals. Also the DmgRadiationSmall64.png Radiation proc from the Sequence area of effect negates Ancient Healer auras allowing him to leech more health with Penance.

Trivia

  • Harrow means "to traumatize or torment."
    • It originally referred to a farming tool – a frame covered in spikes—which was dragged across soil in order to remove weeds, break up clods of dirt, and cover-up seeds. A 'harrowing' experience has come to mean one where an individual undergoes significant trauma but comes out of it purified.
    • In a particular interpretation of Christianity, Christ's descent into Sheol in order to retrieve the souls of all the individuals who died between the beginning of the world and his sacrifice, excluding the damned, is referred to as the Harrowing of Hell.
  • The name of Harrow's abilities refer to various aspects of Catholicism.
    • To be damned in the Catholic faith is to be condemned to hell after death as punishment for mortal sins that are not confessed.
    • Penance is an alternate name for the Sacrament of Reconciliation in the Catholic Church, and is also a name for actions done to atone for confessed sins.
    • A thurible is a metal censer suspended from chains, in which incense is burned. A Thurible is usually used during Mass.
    • A covenant is an agreement made by God with a religious community or with humanity in general.
  • Similar to ExcaliburIcon272.png Excalibur's Exalted Blade, IvaraIcon272.png Ivara's Artemis Bow, and WukongIcon272.png Wukong's IronStaff.png Iron Staff, Harrow's iconic object of power, his thurible, is shown during the casting animations for his Abilities.
    • Harrow's thurible is also visible during his Noble and Agile Idle Animations. However, if the Animations are equipped on another Warframe, the thurible will not be visible.
  • Harrow is the first Warframe to have an associated and named original Operator: Rell.
    • Also, he is the first original Warframe to have been active, since the Orokin Empire, until the current timeline.
    • Since Rell is said to be a Tenno outcast (where even Lotus did not know about him) it is unknown how Harrow was created, and by whom.
  • Harrow is the sole remaining Warframe whose component blueprints drop from non-boss enemies.
    • In Harrow's case, only the Chassis is dropped by enemies.
    • Prior to Update 29.10 (2021-03-19), the other two were AshIcon272.png Ash and OberonIcon272.png Oberon (their component blueprints are now found in Railjack Missions).
  • Harrow is the second Warframe to be controlled by an entity other than the Tenno, after ChromaIcon272.png Chroma. He was also hostile toward the player, like Chroma, as well.
    • Unlike Chroma, there is an explanation about how and why Harrow came to be in such a state. See Chains of Harrow Quest.
  • Upon waiting a short time whilst in Harrow's Abilities page, players will hear the familiar "Rap Tap Tap" of The Man in The Wall.
  • Harrow's Noble Animation standing stance mimics a military "parade rest", and his Primary Weapon Noble Animation closely resembles the spinning rifle tricks performed by military honor guards.

Edit Tab

The Inquisitor Eternal arises, hallowed by the Void, preaching a gospel of iron and flame.

Harrow Prime is the Primed variant of HarrowIcon272.png Harrow, possessing enhanced Shields and Energy as well as an additional Madurai Pol.svg polarity. Harrow Prime was released alongside KnellPrime.png Knell Prime and ScourgePrime.png Scourge Prime.

Acquisition

Lith, Meso, Neo, and Axi refer to Void Relics  |  (V) Denotes Vaulted Void Relics  |  (B) Denotes Baro Ki'Teer Exclusive Void Relic
Harrow Prime's Relic Drops
PrimeChassis.png Chassis Blueprint PrimeSystems.png Systems Blueprint HarrowPrimeIcon.png Blueprint PrimeHelmet.png Neuroptics Blueprint
VoidRelicBronzeIcon64.png Meso G3 Common VoidRelicIronIcon64.png Lith H4 Rare
VoidRelicIronIcon64.png Lith H3 Rare (V)
VoidRelicGoldIcon64.png Axi K6 Uncommon VoidRelicGoldIcon64.png Axi T8 Uncommon

Manufacturing Requirements
CreditsLarge.png
25,000
PrimeHelmet.png
1
PrimeChassis.png
1
PrimeSystems.png
1
OrokinCell.png
5
Time: 72 hrs
Rush: Platinum64.png 50
MarketIcon.png Market Price: Platinum64.png N/A Blueprint2.svg Blueprints Price:N/A
Harrow Prime Neuroptics Blueprint
CreditsLarge.png
15,000
ArgonCrystal.png
2
Cryotic.png
600
Circuits.png
1,100
NanoSpores.png
4,975
Time: 12 hrs
Rush: Platinum64.png 25
Harrow Prime Chassis Blueprint
CreditsLarge.png
15,000
TelluriumMarket.png
2
Plastids.png
450
PolymerBundle.png
1,425
AlloyPlate.png
5,500
Time: 12 hrs
Rush: Platinum64.png 25
Harrow Prime Systems Blueprint
CreditsLarge.png
15,000
DENitainExtract.png
2
Neurodes.png
3
Rubedo.png
1,250
Salvage.png
3,800
Time: 12 hrs
Rush: Platinum64.png 25

Notes

  • Harrow Prime, compared to HarrowIcon272.png Harrow:
    • Higher Shield (200/600 vs. 150/450)
    • Higher Energy (125/188 vs. 100/150)
    • Has an additional Madurai Pol.svg polarity.
  • If Harrow Prime wields his signature Knell.png Knell/KnellPrime.png Knell Prime, the weapon's magazine size is increased by 1 round, for a total of 2 rounds.
  • As a Prime Warframe, Harrow Prime possesses a special passive ability where contact with an Orokin Void Death Orb will release an energy pulse that grants 250 Energy to all nearby allies. This effect can only occur once per Death Orb, and can occur even if the Death Orb has been previously destroyed.

Trivia

Gallery

Edit Tab

Passive

HarrowIcon272.png Harrow possesses 200% Overshields capacity, granting him a maximum of 2,400 Overshields, and spawns into missions with 100% Energy filled.

Abilities 

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Main article: Condemn (edit)
Condemn.png HarrowCondemn.png
ENERGY:
25
KEY
1
Condemn
Cast a wave of energy that chains them where they stand. Each enemy held reinforces Harrow’s shields.
Strength:100 / 110 / 125 / 150 (shields per enemy)
Duration:3 / 4 / 5 / 6 s
Range:15 / 16 / 18 / 20 m (range)
2.5 m (range increase)
Subsumable to Helminth

Info
  • Harrow swings his thurible to cast a spectral afterimage forward that travels along the ground for 15 / 16 / 18 / 20 meters with a width of 2.5 meters. As the afterimage travels, it emits a growing wave of ghastly energy that completely immobilizes enemies in chains for 3 / 4 / 5 / 6 seconds. Each enemy enchained restores 100 / 110 / 125 / 150 Shield points to Harrow which can accumulate Overshields.
  • The spectral afterimage resembles Harrow's thurible being swung perpetually in motion. The thurible and its afterimage are affected by Harrow's chosen appearance and energy colors.
  • Affected enemies stagger backward to expose their head, then become locked in suspended animation.
    • Chained enemies glow in Harrow's chosen Warframe energy color, while covered in black chains that erupt from cracks formed on nearby surfaces.
    • Chained enemies will flinch in agony briefly when taking damage.
  • Casting Condemn is a One-Handed Action that allows firing Weapons and player movement during the animation.
  • Afterimage spawns from the ground at Harrow's current position and dissipates on direct impact with terrain obstructions.
  • Condemn affects mini-bosses such as Sprag and Ven'kra Tel, with diminishing returns.
  • If cast in midair, Harrow will instantly drop to the ground to perform this ability.
  • Subsuming Harrow to the Helminth will offer Condemn and its augments to be used by other Warframes.
    • Other Warframes cannot make use of the Mod TT 20px.png Tribunal augment, due to their inability to cast Penance130xDark.png Penance and Thurible130xDark.png Thurible.

Augment
TribunalMod.png
Main article: Tribunal

Tribunal is a Warframe Augment Mod for HarrowIcon272.png Harrow which lets other players proc a percentage of Penance130xDark.png Penance and Thurible130xDark.png Thurible's effects when attacking enemies chained by Condemn130xDark.png Condemn.


Rank % of effects Cost
0 40% 6
1 60% 7
2 80% 8
3 100% 9

Tips & Tricks
  • Chain enemies in place for easy headshots, while replenishing your shields and building Overshields for increased durability.
  • Combine with Penance130xDark.png Penance to stack extra duration and quickly refill your shields after casting.
  • Because Condemn's wave has travel time and shield points are gained at the moment when enemies are chained, you can preemptively cast Condemn toward enemies then immediately cast Penance, protecting your health pool from damage with newly earned shield points.
  • Condemn's wave grows in height and width as it travels, allowing it to chain airborne enemies such as Shield Ospreys when cast from a distance.
  • You can cast Condemn while aiming, firing, and reloading weapons, as well as when moving and maneuvering with parkour, without interruption.
  • Thurible130xDark.png Thurible and Condemn share the same Ability Range value at max rank. Since Thurible's aura is constantly visible while active, it can be used as a range indicator for how far Condemn's wave will travel from your position.
  • Shield points can be gained while you are invulnerable under Covenant130xDark.png Covenant's protection.
  • For new and experienced players, the ability will affect the Stalker for about a second or so. Crucial for newer players using Harrow to give them an advantage.

Expand/Collapse
Main article: Penance (edit)
Penance.png HarrowPenance.png
ENERGY:
50
KEY
2
Penance
Sacrifice shields to boost reload, and fire rate while converting damage inflicted on enemies into health for Harrow and nearby allies.


Shield Cost: 100% of shields & overshields on cast

Strength:50% (initial heal)
5% (lifesteal on hit)
20% / 25% / 30% / 35% (fire rate bonus)
40% / 50% / 60% / 70% (reload speed bonus)
Duration:4 s (base time)
1.25 / 1.33 / 1.43 / 1.54 s (bonus per 100 shields)
Range:N/A
Misc:50 m (affinity range)
120 s (max duration)

Info
  • Harrow flagellates himself twice with his thurible, sacrificing all of his shields and Overshields to gain 20% / 25% / 30% / 35% ranged and melee weapons fire rate and 40% / 50% / 60% / 70% reload speed bonuses while restoring his Health by 50% of the amount of shields and overshields sacrificed. While active, 5% of any damage dealt by Harrow to enemies converts into health for Harrow and allies within his Affinity Range. Penance has a base duration of 4 seconds, plus extra duration of 1.25 / 1.33 / 1.43 / 1.54 seconds for every 100 Shield and Overshields points drained, up to a maximum of 120 seconds.
    • Initial heal, lifesteal on hit, weapon fire rate, and reload speed bonuses are affected by Ability Strength.
    • Base duration and bonus duration are affected by Ability Duration.
    • Affinity Range is not affected by Ability Range but is affected by the Mending Unity passive in the Vazarin focus school.
    • Maximum duration is not affected by mods.
    • Casting animation of 2 seconds is affected by Mod TT 20px.png Natural Talent and Mod TT 20px.png Speed Drift.
    • The amount of shields to be drained is determined on activation. Shield points from Condemn130xDark.png Condemn will not be drained if gained during Penance's casting animation.
    • Each time Harrow flagellates himself, 50% of the total shield points are subtracted.
  • Can be recast while active to stack extra duration to the remaining time.
  • Allies affected by the lifesteal include all Warframes, Companions, Eidolon Lures, summoned allied units such as Specters, allied Invasion units, Hostages, Kavor Defectors, Sortie and Arbitrations Defense Operatives, and Defense Objects.
    • On Defense Objects, Penance restores up to 50 health per second.
  • While active, stylized art appears beneath the aiming reticle; when a player is healed by Penance, colored text denoting the amount of health healed from damage dealt briefly replaces the art for several seconds. Both visuals are affected by Harrow's Warframe energy color.
  • Harrow's wounds on his back from flagellation emit piercing light in his chosen Warframe energy color.
  • Casting Penance stops all of Harrow's movement and actions.

Tips & Tricks
  • Mod for a higher shield pool to gain more extra duration for Penance by default.
  • Harrow can opt to choose to build Penance over Ability Strength for quick bursts of fire rate and lifesteal, or Ability Duration for sustained fire rate and reduced need to deplete Shields to recast. While the former is useful in quick missions and Assassination runs, the latter can be useful in endless missions such as Survival, considering the added protection afforded by a Duration-based Covenant130xDark.png Covenant.
  • Use Condemn130xDark.png Condemn to quickly replenish shields and Overshields to fuel Penance' extra duration.
  • Build up your shield and Overshield pool again after casting Penance, then recast Penance to stack extra duration onto your remaining time to keep the ability active much longer.
  • Mod TT 20px.png Guardian, Mod TT 20px.png Protect, Mod TT 20px.png Brief Respite & ArcaneBarrier64x.png Arcane Barrier are useful for this ability as they are capable of restoring Harrow's shields.
  • Cast Covenant130xDark.png Covenant before or after using Penance to protect yourself from damage when you are at your most vulnerable state.
  • The fire rate bonus also affects melee weapons.
  • Can reduce recharge delay for Cycron.png Cycron or a Kitgun equipped with PaxCharge64x.png Pax Charge, however, it does not affect recharge rate.

  • Expand/Collapse
    Main article: Thurible (edit)
    Thurible.png HarrowThurible.png
    ENERGY:
    25
    KEY
    3
    Thurible
    Channel Harrow’s energy into the Thurible to generate a buff. Once finished, kill enemies to bestow nearby allies with bursts of energy. The more energy channeled the greater the reward for each kill. Headshots produce extra energy.
    Strength:10 / 10.83 / 12.5 / 15% (energy convert)
    Duration:20 / 25 / 30 / 35 s
    Range:13 / 15 / 17 / 20 m
    Misc:4.0x (headshot multiplier)

    Info
    • Once activated, Harrow chants in ritual to channel his Energy into the thurible at a rate of 10 / 10.83 / 12.5 / 15% of the base energy consumed per tick.
      • Ability Strength will increase the amount of energy gained per tick, while Ability Efficiency will reduce the amount of energy spent per tick. Ability Efficiency will not reduce the stored energy gained per tick.
    • Pressing the ability key again (default 3 ) or running out of energy stops the channeling, causing the thurible to generate an aura of incense around Harrow with a radius of 13 / 15 / 17 / 20 meters that lasts for 20 / 25 / 30 / 35 seconds. While active, each enemy killed by Harrow restores the charged amount of energy to Harrow and all allies inside his aura; if an enemy is killed by headshot, the amount of energy restored per player is multiplied by 4.
      • Energy per kill uses the following expression when accounting for Ability Strength and Ability Efficiency:
        Energy Per Kill = 1 Energy + [Number of Energy Drained × 15% ÷ (2 - Ability Efficiency)] × Ability Strength
        • With a maxed Mod TT 20px.png Intensify and maxed Mod TT 20px.png Streamline, draining 25 energy will yield 1 + [25 × 15% ÷ (2 - 130%)] × 130% = 7.9643 energy per kill and ~7.9 × 4 = 31.8 energy per headshot kill.
      • Duration is affected by Ability Duration.
      • Aura radius is affected by Ability Range.
      • Channeling speed is affected by casting speed, from mods such as Mod TT 20px.png Natural Talent and Mod TT 20px.png Speed Drift.
      • Headshot multiplier is not affected by mods.
      • Enemies killed anywhere by Harrow using ranged and melee weapons will reward energy; weapons with deployables such as the Zenistar.png Zenistar are also eligible to reward energy from indirect kills.
      • Players using toggled abilities that drain energy per second can not gain energy from Thurible, similar to the mechanics of EnergyVampire130xDark.png Energy Vampire.
    • While channeling energy into the thurible, the current amount of energy per kill is displayed to the right of the aiming reticle. The color of the text and stylized art are affected by Harrow's chosen Warframe energy color.
    • Thurible's buff icon is displayed beside the shield and health indicators on the HUD, with the amount of energy per kill indicated below the buff icon.
    • Upon killing an enemy via body-shot or headshot, a brief message displays above the ability icons indicating the total amount of energy restored per kill or per headshot kill.
    • Channeling Thurible is a two-handed upper body animation that disables weapon use, casting other abilities and Pickups collection, but allows player movement and parkour Maneuvers.
    • Can be recast while aura is active to channel energy. Channeling ends the previous instance of Thurible.
    • While active, Harrow is surrounded in a glow of energy and his incense aura is constantly visible to all players. Both visual effects are affected by his chosen Warframe energy color.

    Augment
    WardingThuribleMod.png
    Main article: Warding Thurible

    Warding Thurible is a Warframe Augment Mod for HarrowIcon272.png Harrow that reduces damage taken by allies within Thurible130xDark.png Thurible's range when channeled, and grants extra energy charge if those Allies are hit.


    Rank Damage Reduction Energy charge per hit Cost
    0 30% 0.5 6
    1 35% 0.6 7
    2 40% 0.8 8
    3 50% 1.0 9

    Tips & Tricks
    • While channeling Thurible, you can still move and use parkour maneuvers such as roll, slide, bullet jump, aim glide, wall hop and wall cling to evade incoming enemy attacks.
    • Mod for Ability Strength and Ability Efficiency to increase the conversion rate per energy point spent. Natural Talent and Speed Drift greatly increase the speed at which each energy point is drained.
    • Mod TT 20px.png Flow (and Mod TT 20px.png Primed Flow) synergize with this ability. Higher maximum energy allows you to channel even stronger buffs, at the cost of longer channeling time.
    • Use Condemn130xDark.png Condemn to stop enemies in their tracks, allowing for easy headshot kills to maximize energy gain.
    • When under heavy fire, channel Thurible while under the protection of Covenant130xDark.png Covenant to guarantee your safety.
    • Dark energy colors can greatly improve visibility for long range shooting due to Thurible's incense aura being constantly visible to you and your team.
      • However, lighter energy colors can allow teammates to spot the area of effect at a glance and rally to your position for energy restoration.
    • This is most likely a bug, but channeling the Thurible allows Harrow to use his melee with a Gravimag deployed Arch-Gun.

    Expand/Collapse
    Main article: Covenant (edit)
    Covenant.png HarrowCovenant.png
    ENERGY:
    100
    KEY
    4
    Covenant
    Protect nearby allies with an energy force that absorbs all damage and converts it to a Critical Chance bonus for all those under the Covenant. Headshots are amplified even further.
    Strength:1.50% (critical per 100 damage)
    Duration:3 / 4 / 5 / 6 s (invulnerability time)
    6 / 8 / 10 / 12 s (critical chance time)
    Range:N/A
    Misc:4.0x (headshot multiplier to bonus critical chance)
    50/250 m (affinity range/open-world affinity range)

    Info
    • Harrow breaks free of his shackles in a whirlwind of impenetrable energy, imbuing himself and allies inside his Affinity Range with complete invulnerability to damage and Status Effect immunity for 3 / 4 / 5 / 6 seconds. While invulnerable, any enemy damage prevented by all affected players during this time accumulates into a total pool.
      • Invulnerability duration is affected by Ability Duration.
      • Affinity Range is not affected by Ability Range but is affected by the Mending Unity passive in the Vazarin focus school, and can be temporarily increased with Fosfors.
      • Status effect immunity also protects against knockdown and stagger.
    • After the invulnerability phase, all affected players receive the Retaliation buff which provides an additive weapon critical chance bonus lasting for 6 / 8 / 10 / 12 seconds. Retaliation provides a 5% base critical chance, plus extra critical chance converted from total damage prevented at a rate of 1.50% per 100 damage points prevented. Additionally, the combined critical chance percentage is multiplied by 4 on headshot hits.
      • Retaliation duration is affected by Ability Duration.
      • Base critical chance and extra critical chance percentages are affected by Ability Strength, while damage points prevented and headshot multiplier are not.
        • Retaliation's critical chance is capped at 50% on bodyshot hits and 200% on headshot hits.
        • The critical chance applied to the weapons is a flat value applied after mods.
          • As Example: A weapon with 10% base critical chance which has a Rank 5 Mod TT 20px.png Point Strike equipped and is affected by a capped Retaliation buff will have
            10% × (1 + Mod TT 20px.png 150%) + 200% = 225% critical chance on headshot.
        • Critical chance is also applied to melee weapons, weapon deployables (Zenistar.png Zenistar disc, Orvius.png Orvius channel throw, etc.), and Exalted weapons (ExcaliburIcon272.png Excalibur's ExaltedBlade130xDark.png Exalted Blade, IvaraIcon272.png Ivara's ArtemisBow130xDark.png Artemis Bow, etc.)
    • Protection and Retaliation buffs affect both players and their Companions.
    • Covenant cannot be recast while its buffs are active.
      • Multiple Harrows can cast Covenant independently of other players' active invulnerability and critical chance buffs.
    • Casting animation of 3 seconds is affected by casting speed, from mods such as Mod TT 20px.png Natural Talent and Mod TT 20px.png Speed Drift. Casting Covenant stops Harrow's movement and actions.
    • During the invulnerability phase, the current total of damage prevented is displayed to the right of the aiming reticle, represented by a shield-like emblem.
      • After the invulnerability phase, the critical chance bonus and its headshot multiplied percentage are briefly displayed at the same position, represented by a bullet-like emblem.
      • An audible whispering sound plays when each buff's duration ends.
    • Covenant's buff icons for invulnerability and critical chance are displayed beside the shield and health indicators, with the critical chance bonus percentage located at the top-right of the icon and buff timers at the bottom.
    • Harrow and affected allies are visibly surrounded by a gust of energy while under Covenant's effects. This visual effect expands or contracts depending on the phases of the ability, and is affected by Harrow's chosen Warframe energy color.

    Augment
    LastingCovenant.png
    Main article: Lasting Covenant

    Lasting Covenant is a Warframe Augment Mod for HarrowIcon272.png Harrow that increases Covenant130xDark.png Covenant's critical chance buff duration each time an enemy is killed with a headshot.


    Rank Duration Increase Cost
    0 1s 6
    1 1.5s 7
    2 2s 8
    3 3s 9

    Tips & Tricks
    • It synergizes well with abilities that buff critical damage, such as ElectricShield130xDark.png Electric Shield and Sonar130xDark.png Sonar.
    • Also pairs well with the DualToxocyst.png Dual Toxocyst since they are at their optimal power when you are getting headshots.
    • Since the critical chance applied is additive, this ability can turn a Nukor.png Nukor modded with Mod TT 20px.png Primed Target Cracker (and possibly other critical damage mods such as a Riven) into a viable critical secondary.
    • As Covenant's critical chance buff is capped, Harrow may opt to build on Ability Duration over Ability Strength, as not only does the increased invulnerability protect him longer, the damage he negates during the extended invulnerability phase can be enough for him to cap the aftermath Retaliation buff.
    • Stacks with ArcaneAvenger64x.png Arcane Avenger, resulting in an additive +95% critical chance on bodyshot and +245% on headshot with both effects maxed.
    • Casting this while attempting to revive a teammate makes for a reliable survival strategy, as the invulnerability phase will protect you from enemy fire.
    • If the mission has Environmental Hazards, like the toxic waste in the Grineer Shipyard tileset, you can use them to stack extra damage negation during the invulnerability phase.
    • Covenant synergizes well with a Kitgun equipped with PaxSeeker64x.png Pax Seeker, with its projectiles gain benefits for critical chance to headshot from this ability.
      • However, headshot kills by Pax Seeker's projectiles won't trigger Mod TT 20px.png Lasting Covenant augmentation.

    Expand/Collapse

    Strength Mods

    IntensifyModU145.png

    Duration Mods

    ContinuityModU145.png

    Range Mods

    StretchModU145.png

    HarrowCondemn.png HarrowCondemn.png HarrowCondemn.png
    HarrowPenance.png HarrowPenance.png
    HarrowThurible.png HarrowThurible.png HarrowThurible.png
    HarrowCovenant.png HarrowCovenant.png

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    Hotfix 31.5.10 (2022-05-17)

    • Fixed several issues with abilities when forced into Operator (in Zariman Cascade missions for example):
      • Fixed Harrow’s Thurible continuing to charge.
      • Fixed Harrow’s Covenant HUD disappearing.

    Update 31.5 (2022-04-27)

    • Fixed decals appearing in Harrow’s Condemn FX.

    Hotfix 31.0.5 (2021-12-21)

    • Fixed Harrow Prime not giving weapon passive bonus (additional shot in the magazine) to the Knell/Knell Prime.

    Update 31 (2021-12-15)

    HARROW PRIME HAS ARRIVED!

    PLUS! As an added Harrow QoL change, we’ve made some tweaks to his kit.

    Passive:

    Harrow and Harrow Prime now have the ‘Preparation’ style Mod behaviour as a Passive, meaning Harrow now has +100% Maximum Energy is filled on Spawn.

    Condemn

    • Radius growth now scales with Range.
    • Added a (non scaling) area-of-effect around Harrow that gets hit by it, similar to Proteas Blaze Artillery, to address hitting enemies that are right on top of you.

    Penance

    • Added an initial burst of healing based on sacrificed Shields.

    Thurible

    • Increased Charge Rate.
    GENERAL CHANGES:
    • Decals on Harrow’s Condemn now uses Deferred Rendering for better performance.

    Update 30.7 (2021-09-08)

    • Harrow Neuroptic Blueprints can now be obtained from the first vault in Pago, and as a Rotation C reward from Taveuni on the Kuva Fortress. Mod and Relic rewards have been swapped on Pago, and drop rates increased slightly.
    • Harrow Systems Blueprints drop rates on Defection missions have been increased slightly, and added as a Rotation C reward from Taveuni on the Kuva Fortress.
      • In response to community feedback on farming for Harrow, we revisited the process for obtaining his components. We are making it easier to obtain Harrow Neuroptic Blueprints, and Harrow Systems Blueprints, from the locations outlined above.

    Update 28.3 (2020-08-12)

    • Warframe Blueprint and Component costs from Simaris have been reduced by 50%!

    Update 27.4 (2020-05-01)

    Hotfix 27.3.15 (2020-04-17)

    • Fixed a script error that could occur if joining a mission right when a Harrow casts Condemn.

    Hotfix 27.3.14 (2020-04-15)

    Update 27.2 (2020-03-05)

    • Armor Change:
      • Harrow: 150 to 175
      • Why: The conversation surrounding Arcane Guardian led to a significant review of Armor stats on Warfarmes. The Majority of Warframes received an increase in the Armor stat to increase survivability. Compounded with Shield Gating and the numerous other changes covered, we expect a much more fair feeling playing field for all Warframes.
    • Fixed FX for Harrow’s Covenant not applying correctly on Sentinels.

    Hotfix 25.7.6 (2019-09-18)

    • Fixed hole in the Harrow Hieropha Helmet.
    • Fixed issues when previewing cosmetics in the Arsenal that are part of a bundle, like the Harrow Reliquary Skin.

    Hotfix 25.7.4 (2019-09-05)

    • Fixed part of Harrow’s Reliquary Thurible being visible when loading into missions.

    Update 25.7 (2019-08-29)

    HARROW RELIQUARY SKIN

    Bound by void and will, Harrow's twilight heart pulses within the sacred casket of a body reinvented. Wield malicious spirits and arcane power with the Harrow Reliquary Collection, and renounce heresy with the Etheria Armor Set and Renuntio Spear!

    HARROW RELIQUARY COLLECTION

    A shattered being bound by Void and will. Includes the Harrow Reliquary Skin, Renuntio Speargun Skin and Etheria Armor Set.

    Fixes:

    • Fixed your Arch-Gun unequipping when casting Harrow’s Thurible ability twice.

    Update 25.0 (2019-05-22)

    • Cephalon Simaris now sells Blueprints given during quests in his Offerings! This allows you to purchase these items in the event that you’ve accidentally sold them.

    Update 24.6 (2019-04-04)

    • Having a ‘signature’ weapon now actually benefits you! There are still a few signature weapons that will receive this treatment (Scourge).
      • Knell now has a 2 round mag when wielded by Harrow.
    • The following abilities require ground to activate, but can now be cast in the air and will do a melee-esque slam to the ground:
      • Harrow Condemn

    Hotfix 24.2.7 (2018-01-09)

    • As per feedback, Harrow’s Systems Blueprint has been added as a Rare drop in Rotation B for Defection missions. This means you have 2 chances in the Endless loop to obtain Harrow, not just one at Rotation C. To maintain balance, a Bane of Corrupted Mod has moved to Rotation A.
    • Increased Harrow’s Energy gain from his Thurible ability (max ranked now gains 2x as much).
    • Increased Duration of Harrow’s Penance by around 20%.

    Hotfix 23.0.7 (2018-06-28)

    • Fixed crash that could happen when someone affected by Harrow's Warding Thurible Augment died.

    Hotfix 23.0.6 (2018-06-27)

    Update 22.15 (2018-03-07)

    • Fixed Harrow’s Penance not giving Health for damaging Eidolon Synovias.

    Update 22.10 (2018-01-25)

    Hotfix 21.2.1 (2017-08-01)

    • Fixed Harrow’s Thurible not reflecting the actual buff amount when Power Strength changes during Channel.

    Update 21.2 (2017-07-26)

    • Harrow will now detach from his Wall Latch when Channeling his Thurible to avoid awkward animations.
    • Reduced the amount of cloth movement on Harrow when viewing the Star Chart.
    • Fixed Harrow holding a shield (Silva & Aegis, etc) in an ancient style which history has long since forgotten (probably because shields are not useful if you hold them backwards).

    Update 21.1 (2017-07-19)

    • Harrow's smoke FX during his Thurible cast can be seen by other players now.
    • Fixed Harrow's Covenant prematurely terminating Nidus' Parasitic Link on allies.

    Hotfix 21.0.9 (2017-07-17)

    • Fixed seeing duplicate FX for Harrow’s Covenant as Client.

    Hotfix 21.0.7 (2017-07-13)

    • Fixed the Nukor creating a ton of FX if it kills something while it's been paused by Harrow's Condemn ability.
    • Fixed a script error when casting Harrow’s Thurible.

    Hotfix 21.0.6 (2017-07-07)

    • Harrow's Covenant now applies to Companions.
    • Fixed script error in Harrow's Covenant.

    Hotfix 21.0.4 (2017-07-05)

    • Fixed Harrow’s Thurible Channeling not being cancellable with "use selected ability button."
    • Fixed Harrow’s Thurible remaining in his hand if he enters gets downed while Channeling Thurible.
    • Fixed not receiving the buff after channeling Harrow’s Thurible if a context action is used.
    • Fixed Harrow’s Penance not respecting the duration cap on the initial cast.
    • Fixed Harrow’s front cloth clipping through his legs during his Agile animation.
    • Fixed Emotes being disabled for everybody when a Harrow is Channeling his Thurible.
    • Fixed a script error when casting Harrow’s Thurible or Covenant.
    Harrow Changes

    (Values based on Rank 3 Abilities, lower Ranks adjusted similarly)

    Penance
    • Increased Duration from Shields by 25%.
    • Increased Duration cap from 60 seconds to 120 seconds.
    • Increased Fire Rate from 25% to 35%.
    • Increased Reload Speed from 50% to 70%.
    Thurible
    • Increased Range from 15m to 20m.
    • Sped up Energy Channeling by 50%.
    • Energy Channeling speed is now affected by Natural Talent.
    Covenant
    • Increase Crit per 100 Damage from 1.25% to 1.5%.

    Hotfix 21.0.3 (2017-06-30)

    Harrow Changes & Fixes
    • Lowered the damage required per Critical Chance bonus for Harrow’s Covenant from 100 to 80.
    • Harrow’s Penance now has a Duration cap of 60 seconds.
    • Fixed lower ranks of Harrow’s Covenant having higher numbers than intended.
    • Fixed the Ripkas attaching to Harrow’s back.
    • Disabled Emotes while Channeling Harrow’s Thurible.

    Hotfix 21.0.2 (2017-06-29)

    • Fixed not receiving Harrow’s default Helmet when purchasing Harrow from the Market. *Those affected will receive the default Harrow Helmet upon login.
    • Fixed crashing while doing consecutive movements with Harrow (rolling + sprinting + shooting, etc).
    • Fixed Harrow’s Penance ability having a [PH] in the Arsenal description.
    • Fixed the normal aim reticle overlapping the Dual-Wield reticle after casting Harrow's Thurible.

    Update 21.0 (2017-06-29)

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