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Harrow

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You could say, his abilities can get a little... Harrow-ing.

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  50,000.
Item Source Chance Expected Nearly Guaranteed
 Systems Blueprint Tier 2 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
 Systems Blueprint Tier 2 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
 Systems Blueprint Tier 3 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
 Systems Blueprint Tier 3 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
 Systems Blueprint Kuva Fortress Survival / C 12% ~ 8 C Rotations 54 ± 18 C Rotations
 Systems Blueprint Tier 1 Defection / C 15% ~ 6 C Rotations 42 ± 14 C Rotations
 Systems Blueprint Tier 1 Defection / B 6% ~ 16 B Rotations 111 ± 37 B Rotations
 Neuroptics Blueprint Kuva Fortress Survival / C 12% ~ 8 C Rotations 54 ± 18 C Rotations
 Neuroptics Blueprint Kuva Fortress Spy / A 16.67% ~ 5 A Rotations 37 ± 12 A Rotations
 Chassis Blueprint Void Fissure Corrupted Enemy 3% ~ 33 Kills 226 ± 75 Kills

All drop rates data is obtained from DE's official drop tables stored on Module:DropTables/data. See Mission Rewards#Standard Missions for definitions on reward table rotations.
For more detailed definitions and information, visit here.

Alternatively, upon completion of The Duviri Paradox, Harrow's main and component blueprints can be earned from The Circuit. By selecting him on the rotating week he is available, players can earn his blueprints after reaching Tier 2 (Neuroptics), 5 (Chassis), 8 (Systems), and 10 (Main) rewards.

Crafting

Manufacturing Requirements
📝 Edit blueprint requirements

25,000

1

1

1
 Kuva
2,000
Time: 3 Day(s)
Rush: 50
 Market Price: 225  Blueprints Price: N/A
Harrow Neuroptics Blueprint

15,000
 Rubedo
1,500
 Polymer Bundle
4,000
 Plastids
2,000
 Neural Sensors
5
Time: 12 Hour(s)
Rush: 25
Harrow Chassis Blueprint

15,000
 Alloy Plate
20,000
 Salvage
25,000
 Oxium
800
 Orokin Cell
5
Time: 12 Hour(s)
Rush: 25
Harrow Systems Blueprint

15,000
 Circuits
2,500
 Cryotic
1,000
 Ferrite
25,000
 Control Module
15
Time: 12 Hour(s)
Rush: 25

Notes

Tips

  • Harrow's ability kit allows him to make use of Critical-focused weapons, especially ones that benefit from headshots:  Condemn binds enemies and exposes their heads,  Penance increases weapon reload speed and fire rate, and  Covenant greatly increases Critical Chance especially on headshots.
  • The self-synergizing nature of Harrow's kit makes using Helminth more difficult than other frames and overall less necessary. Generally, he can slot in an alternate shield-restoring or damaging ability over  Condemn or  Penance respectively.

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  Excalibur's Exalted Blade,  Ivara's Artemis Bow, and  Wukong's  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  Ash and  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  Chroma. He was also hostile toward the player, like Chroma.
    • Unlike Chroma, there is an explanation as to 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.

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“Market forces dictate that you need to evolve or die.”
Harrow Prime is Vaulted.
The Void Relics for this item have been removed from the drop tables and do not drop during missions at this time. Check the current Prime Resurgence rotation to see if Varzia offers relics for this item. Vaulted Void Relics already contained in player inventories are not affected and can still be either opened or traded between players.
The Inquisitor Eternal arises, hallowed by the Void, preaching a gospel of iron and flame.

Release Date: December 15th, 2021

Harrow Prime is the Primed variant of  Harrow, possessing enhanced Shields and Energy as well as an additional polarity. Harrow Prime was released alongside  Knell Prime and  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
Chassis Blueprint Systems Blueprint  Blueprint Neuroptics Blueprint
 Axi N10 Common (V)
 Axi S15 Common (V)
 Meso G3 Common (V)
 Meso N13 Common (V)
 Meso O5 Common (V)
 Meso P11 Common (V)
 Neo T7 Common (V)
 Axi H7 Rare (V)
 Lith H10 Rare (V)
 Lith H3 Rare (V)
 Lith H4 Rare (V)
 Lith H5 Rare (V)
 Lith H7 Rare (V)
 Meso H2 Rare (V)
 Meso H4 Rare (V)
 Axi K6 Uncommon (V)
 Lith B11 Uncommon (V)
 Lith P6 Uncommon (V)
 Lith S15 Uncommon (V)
 Neo G5 Uncommon (V)
 Neo L3 Uncommon (V)
 Neo N21 Uncommon (V)
 Axi A16 Uncommon (V)
 Axi S12 Uncommon (V)
 Axi T11 Uncommon (V)
 Axi T8 Uncommon (V)
 Lith B10 Uncommon (V)
 Lith R3 Uncommon (V)
 Meso C8 Uncommon (V)
 Meso P10 Uncommon (V)


Vaultings

  • On October 18th, 2023, Harrow Prime, along with Knell Prime and Scourge Prime, entered the Prime Vault and were retired from the reward tables. Any preexisting components or fully-built items will remain as is.

Crafting

Manufacturing Requirements
📝 Edit blueprint requirements

25,000

1

1

1
 Orokin Cell
5
Time: 3 Day(s)
Rush: 50
 Market Price: N/A  Blueprints Price: N/A
Harrow Prime Neuroptics Blueprint

15,000
 Argon Crystal
2
 Cryotic
600
 Circuits
1,100
 Nano Spores
4,975
Time: 12 Hour(s)
Rush: 25
Harrow Prime Chassis Blueprint

15,000
 Tellurium
2
 Plastids
450
 Polymer Bundle
1,425
 Alloy Plate
5,500
Time: 12 Hour(s)
Rush: 25
Harrow Prime Systems Blueprint

15,000
 Nitain Extract
2
 Neurodes
3
 Rubedo
1,250
 Salvage
3,800
Time: 12 Hour(s)
Rush: 25

Notes

  • Harrow Prime, compared to  Harrow:
    • Higher Shield (640/740 vs. 455/555)
    • Higher Energy (140/190 vs. 100/150)
    • Additional Polarity ( vs. )
  • If Harrow Prime wields his signature  Knell/ Knell Prime, the weapon's magazine size is increased by 1 round, for a total of 2 rounds.
  • As with any other Prime Warframe, moving close to the location of an Orokin Void Death Orb will restore a pulse of 250 Energy to nearby allies, even if that Death Orb is inactive, destroyed, or non-present. This effect can only occur once per orb.
  • Harrow Prime wields gold-ornated exquisite Thurible.
  • Due to his passive doubling overshield capacity, Harrow Prime possesses the highest base total shield value of all Warframes in the game: 3,140.

Trivia

  • Harrow Prime is the tenth Primed Warframe whose non-Primed variant was unlockable through a quest (Chains of Harrow), after  Nidus,  Gara,  Octavia,  Inaros,  Titania,  Atlas,  Chroma,  Limbo, and  Mirage.
  • Harrow Prime's mask seems to resemble a gas mask or might be a direct reference to the movie Insidious, where a scene shows one of the characters using a gas mask to communicate with someone/spirit between worlds. This seems fitting for Harrow/Rell's lore.

Gallery

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Passive

 Harrow possesses 200% Overshields capacity, granting him a maximum of 2,400 Overshields, and spawns into missions with 100% Energy filled, identical to how the mod  Preparation works.

Abilities 

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This section is transcluded from Condemn . To change it, please edit the transcluded page.

1
25
Condemn

Cast a wave of energy that chains them where they stand. Each enemy held reinforces Harrow’s shields.


Introduced in Update 21.0 (2017-06-29)

 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 expends 25 energy to swing 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.
    • Shield points are only granted on Condemn applying its chaining effect on unaffected enemies.
  • 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  Tribunal augment, due to their inability to cast  Penance and  Thurible.

Augment

Main article: Tribunal

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

Tribunal

Tips & Tricks

  • Chain enemies in place for easy headshots, while replenishing your shields and building Overshields for increased durability.
  • Combine with  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.
  •  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  Covenant's protection.
  • Condemn will affect the Stalker for about a second or so, which may be helpful for newer players using Harrow to get an advantage.

This section is transcluded from Penance . To change it, please edit the transcluded page.

2
50
Penance

Sacrifice shields to boost reload, and fire rate while converting damage inflicted on enemies into health for Harrow and nearby allies.


Introduced in Update 21.0 (2017-06-29)

 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 expends 50 energy to flagellate himself twice with his thurible, sacrificing all of his shields and Overshields to gain 20% / 25% / 30% / 35% Fire Rate and 40% / 50% / 60% / 70% Reload Speed 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.
    • Affinity Range is not affected by  Ability Range but is affected by Fosfor and  Vazarin's  Mending Unity.
    • The amount of shields to be drained is determined on activation. Shield points from  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  Covenant.
  • Use  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.
  •  Guardian,  Protect,  Brief Respite &  Arcane Barrier are useful for this ability as they are capable of restoring Harrow's shields.
  • Cast  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 or a Kitgun equipped with  Pax Charge, however, it does not affect recharge rate.

This section is transcluded from Thurible . To change it, please edit the transcluded page.

3
25
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.


Introduced in Update 21.0 (2017-06-29)

 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

  • Harrow chants in ritual to channel 25 Energy into the thurible at a rate of 10 / 10.83 / 12.5 / 15% of the base energy consumed 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 Channeled × 15% ÷ (2 - Ability Efficiency)] × Ability Strength
      • With a maxed  Intensify and maxed  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.
    • Enemies killed anywhere by Harrow using ranged and melee weapons will reward energy; weapons with deployables such as the  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.
  • 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

Main article: Warding Thurible

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

Warding Thurible

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.
  •  Flow (and  Primed Flow) synergize with this ability. Higher maximum energy allows you to channel even stronger buffs, at the cost of longer channeling time.
  • Use  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  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.

This section is transcluded from Covenant . To change it, please edit the transcluded page.

4
100
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.


Introduced in Update 21.0 (2017-06-29)

 Strength:5% (base critical chance)
1.50% (critical chance 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% (bodyshot critical chance cap)
200% (headshot critical chance cap)
50/250 m (affinity range/open-world affinity range)

Info

  • Harrow expends 100 energy to break 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 Effects for 3 / 4 / 5 / 6 seconds. While invulnerable, any enemy damage prevented by all affected players during this time accumulates into a total pool.
  • 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.
    • Critical chance bonus 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.
      • Example: A weapon with 10% base critical chance which has a Rank 5  Point Strike equipped and is affected by a capped Retaliation buff will have
        10% × (1 +  150%) + 200% = 225% critical chance on headshot.
  • 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. Casting Covenant is a full-body animation that 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

Main article: Lasting Covenant

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

Lasting Covenant

Tips & Tricks

  • It synergizes well with abilities that buff critical damage, such as  Electric Shield.
  • Also pairs well with the  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 modded with  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  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  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  Lasting Covenant augmentation.


Strength Mods

Duration Mods

Range Mods

Edit Tab

Patch History

Update 34.0 (2023-10-18)

Base vs Final Stats in Modding - Health / Energy / Shield / Armor Stat Overhaul

If you’ve spent any time invested in the deeper nuances of Modding, you may be familiar with “Warframe Math” - math that upon first glance doesn’t really make sense, but once you learn the inner workings of the game, it all comes together. While we can appreciate the value that complex systems offer to a certain subsect of players, there are other aspects of the game that should have clear and understandable outcomes. Namely: Shield, Health, Energy, and Armor Modding.

Pop quiz: what is 300 + 440%? If you answered 740, you may just be an Excalibur player.

Vitality (+440% Heath), Redirection (+440% Shields), Flow (+150% Energy), and Steel Fiber (+110% Armor) come with large modifier values that don’t seem to match their outcome in-game. This is because these Mods apply their multiplier to the base stats of the Warframe - i.e., the stats you have at Rank 0. In the Excalibur example, a Rank 30 Excalibur’s Health stat of 300 earns an additional 440 Health from max rank Vitality (+440% Heath) since it applies to his base rank Health stat of 100, resulting in 740 total health.

In this update, we have removed this obfuscation by having Health, Shield, Energy, and Armor Mods apply to the stats of Warframes at their current rank. Continuing our Excalibur example, instead of Vitality always applying to Excalibur’s base rank 100 Health, it would apply to his Health stat based on his rank - namely, the stat you can actually see in your Arsenal. If your Excalibur were Rank 30, his Health stat would be 300, which means Vitality’s multiplier would be calculated off of 300.

With previous Health and Mod values, additional adjustments are needed to make this revision work while maintaining game balance. By only changing where the multiplier applies, a Rank 30 Excalibur would receive an extra 1,320 Health from max rank Vitality, resulting in a total health stat of 1,600. This outcome is a significant buff, which is not the intention of this system change.

To remedy this, we approached this problem in two ways:

1 - We reduced the overall multiplier for Health, Shield, Energy, and Armor Mods.
Since these now affect Max Rank Warframe stats, these Mods need to scale differently to maintain the status quo. Additionally, we wanted these new values to be as clear and understandable to all players as possible! Here are a few examples of these value changes:

  • Vitality: Reduced from +440% to +100% Health
  • Redirection: Reduced from +440% to +100% Shield Capacity
  • Steel Fiber: Reduced from +110% to +100% Armor
  • Flow: Reduced from +150% to +100% Energy Max

Note: These are not all of the Mods affected by this change. We share the comprehensive list further down in this section of the update notes.

Doing some quick math, this means that a Rank 30 Excalibur (300 Health) with a reworked Vitality Mod (+100% Health, applied to the final Health stat) would receive 300 extra Health, for a total of 600. That, in contrast, is a nerf, which we also don’t want to do.

So, our next step:

2 - We adjusted Warframe Health, Shield, Energy, and Armor values to keep the end result of the revised Mods as close to the original values as possible.

With this change, Excalibur’s Rank 30 Health stat is 370. With +100% Health from a max Vitality Mod, his resulting Health stat would be 740, which matches what it was originally.

While this path to the same result may seem a little complicated, the outcome matches our intention: we want players to be able to look at their Health, Shield, and Armor Mods, and be able to understand how they affect the stats they see in their Arsenal.

In addition to everything above, we also increased the base stat values for Warframes so that these revised Mods offer similar value for lower-ranked Frames. To do so, we reduced the amount of Health/Shield/Energy that Warframes earn per rank in half, and transferred the sum of that value to their base stats.

For Armor, this is the one stat that does not increase with your Warframe’s level (with some exceptions). Armor values across the board have been slightly increased to compensate for the Mod changes.

Not to beat a dead Kaithe, but Mods will now be applying to the Max Rank stat instead of the Base Rank. You may look at these numbers and think “nerf” or “buff” depending, but the outcome is that total Modded values are the same, if not a little higher in some cases.

Warframe Stat Changes:

HARROW
Health: Base Rank - 270 (from 100) / Max Rank - 370 (from 300)
Shields: Base Rank - 455 (from 150) / Max Rank - 555 (from 450)
Armor: Base Rank - 185 (from 175)
Energy: Base Rank - 100 (from 100) / Max Rank - 150 (from 150)

HARROW PRIME Health: Base Rank - 270 (from 100) / Max Rank - 370 (from 300) Shields: Base Rank - 640 (from 175) / Max Rank - 740 (from 525) Armor: Base Rank - 185 (from 175) Energy: Base Rank - 140 (from 125) / Max Rank - 190 (from 188)

While there may be significant changes to Warframe Stats and Mod values as a part of this overhaul, the end result is that your Builds should mostly stay the same. The key difference is the added clarity of what your Health / Shield / Energy / Armor Mods do in your Upgrade screens!

Hotfix 33.5.3 (2023-06-23)

  • Fixed several issues with Warframe Overguard reducing the effectiveness of the following supportive abilities/effects:
    • Fixed Harrow’s Penance heal being capped at 50 health/s.

Update 33.0 (2023-04-26)

  • Fixed flickering issues with Harrow’s Thurible.

Hotfix 32.2.9 (2023-01-11)

  • Fixed “+1%” appearing in Harrow’s Rank Bonus list in Arsenal UI instead of “100% Starting Energy”.
  • Fixed script error caused by Harrow’s Penance.

Hotfix 31.7.1 (2022-07-28)

  • Fixed crashes when casting Harrow’s Abilities.

Hotfix 31.6.4 (2022-07-14)

  • Fixed the Protovyre Leg Armor clipping through Harrow Prime.
  • Fixed script error with Harrow’s Penance.

Hotfix 31.6.2 (2022-06-15)

  • Fixed “nan(ind)” showing up in the UI when channeling Harrow’s Thurible with the unlimited energy buff from Lohk Surges instead of the charge amount you’ve accumulated.
    • Harrow’s Thurible under the influence of the unlimited energy buff from Lohk Surges will now simply yield maximum efficiency.

Update 31.6 (2022-06-09)

  • Fixed script error related to Harrow’s Penance.

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 31.0 (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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