The Scourge is 
Harrow's signature speargun, firing fully automatic 
Corrosive projectiles that explode and damage nearby enemies in a small radius. Its Alternate Fire allows the very weapon itself to be thrown, inflicting a Bullet Attractor field on the heads of all enemies near the impact point.
Characteristics
- This weapon deals Corrosive damage on its primary fire and primarily
Impact damage on its alt-fire. - Primary Fire shoots plasma projectiles in an automatic fashion, causing a small 1.7 meter explosion on impact with a surface or enemy.
- Initial hit and explosion apply status separately.
- Explosion does not need direct line of sight to deal damage and will penetrate walls.
- Can benefit from
Firestorm ( Primed) and Cautious Shot.
- Alternate Fire throws the Scourge, dealing damage and causing a 2 meter Bullet Attractor field on the heads of enemies within 14 meters of the impact point, allowing easier headshots.
- The Bullet Attractor stays on enemies for 3 seconds. The field pulses immediately on impact then once every 5 seconds.
- Explosion bypasses Arctic Eximus globes and damages enemies within.
- Guaranteed Impact proc.
- Throwing the spear consumes 1 ammo, then reloads the weapon.
- The field lasts for 20 seconds.
- Only one field can be deployed at a time. Throwing the spear will remove existing fields.
- Can benefit from Cautious Shot.
- Reloads 33% of the magazine per second while deployed or holstered.
Advantages over other Primary weapons (excluding modular weapons):
- Projectile Impact (wiki attack index 1)
- Above average status chance (30.00%)
- Explosion (wiki attack index 2)
- Above average status chance (30.00%)
- Spear Throw Impact (wiki attack index 3)
- High reload speed (0.60 s)
- Spear Throw Explosion (wiki attack index 4)
- Above average magazine (40)
- Above average disposition (●●●●○ (1.20x))
Disadvantages over other Primary weapons (excluding modular weapons):
- Projectiles have travel time.
- Explosion inflicts self-stagger.
- Explosion has a headshot multiplier of 1x and cannot trigger headshot conditions.
- Explosion has linear Damage Falloff from:
- 100% to 70% from central impact on primary fire.
- 100% to 40% from central impact on alternate fire.
- Projectile Impact (wiki attack index 1)
- Very low crit chance (2.00%)
- Low reload speed (2.50 s)
- Below average fire rate (2.67 attacks/sec)
- Very low crit multiplier (1.50x)
- Explosion (wiki attack index 2)
- Below average active falloff slope (5.7m/%)
- Very low crit chance (2.00%)
- Very low maximum falloff distance (1.7 m)
- Low reload speed (2.50 s)
- Low total damage (55)
- Very low crit multiplier (1.50x)
- Spear Throw Impact (wiki attack index 3)
- Very low crit chance (4.00%)
- Below average total damage (150)
- Low fire rate (1.00 attacks/sec)
- Low crit multiplier (2.00x)
- Spear Throw Explosion (wiki attack index 4)
- Low crit chance (4.00%)
- Low reload speed (2.50 s)
- Very low total damage (55)
- Very low fire rate (1.00 attacks/sec)
- Below average crit multiplier (2.00x)
See WARFRAME Wiki:Stat Comparison/Percentiles for more details.
Comparisons:
Scourge (Projectile Impact), compared to 
Scourge Prime (Projectile Impact):
- Lower base damage per projectile (70.00 vs. 80.00)
- Lower Corrosive damage ( 70 vs. 80)
- Lower
- Lower total damage (70 vs. 80)
- Lower base critical chance (2.00% vs. 10.00%)
- Lower base critical multiplier (1.50x vs. 2.00x)
- Lower average damage per tap (70.7 vs. 88)
- Lower burst DPS (188.76 vs. 234.96)
- Lower sustained DPS (161.77 vs. 204.87)
- Smaller max ammo capacity (200 vs. 360)
- Slower reload time (2.50 s vs. 2.20 s)
- Less polarities (
vs. ) - Lower Mastery Rank required (6 vs. 14)
- Higher disposition (●●●●○ (1.20x) vs. ●●●○○ (1.10x))
- Lower base damage per projectile (70.00 vs. 80.00)
Acquisition
The Scourge's blueprint can be researched from the Tenno Lab in the dojo.
| Manufacturing Requirements | |||||
|---|---|---|---|---|---|
 15,000 |
 Nitain Extract2 |
 Circuits2,500 |
 Oxium350 |
 Polymer Bundle2,500 |
Time: 12 Hour(s) |
Rush:  35
| |||||
 Market Price: 240
|
 Blueprints Price:15,000
| ||||
Tenno Lab Research 3,000
| |||||
10,000 |
 Morphics3 |
Oxium 4,500 |
 Ferrite7,250 |
 Salvage9,750 |
Time: 3 Day(s) |
| Prereq: Tonbo | |||||
 x1  x3  x10  x30  x100
| |||||
This weapon can be sold for 7,500 Credits.
Notes
- Currently, Scourge lacks a Signature Weapon bonus with Harrow/
Harrow Prime. - The Scourge's projectiles explode upon contact, and allows Firestorm to be equipped to increase the blast radius, although it will only increase by ~1 meter.
- The Scourge's alt-fire throws the speargun towards the reticle, impaling enemies along its path with physical damage, then inflicting Corrosive damage in a large area of effect. Finally, it creates a pulse that applies a Bullet Attractor debuff on nearby enemies' heads.
- Bullets and projectiles fired at enemies will be drawn to the head. However, this does not guarantee a headshot.
- The Bullet Attractor debuff will be applied the instant the weapon sticks to a surface, and subsequently in periodic pulses while the Scourge stays in place. There is a slight pause between their expiration and the next pulse; the Bullet Attractor effect lasts for 3 seconds and the weapon will pulse every 5 seconds, meaning there's a 2 second downtime.
- Throwing Scourge at full ammo vs. 1 ammo left in the magazine does not have any notable difference (if any at all).
- The Scourge can only be thrown if it has at least 1 ammo remaining in the magazine.
- Firestorm does not affect the size of the Bullet Attractor field, nor does it increase the range a thrown Scourge will apply its effect to enemies.
- Weapons with buffs that apply on headshots such as
Knell, 
Dual Toxocyst and 
Athodai will benefit greatly from the Scourge's alt-fire effects as they will easily gain their respective headshot buffs. Similarly, headshot-conditions for 
Arcane Pistoleer and 
Arcane Precision can be easily achieved in this manner. - Throwing the weapon does not cost ammo.
- An additional feature of the Scourge is its innate ability to replenish its magazine while holstered or thrown. In either state, the weapon fully reloads in 3 seconds (or 33% of the magazine size per second).
- Reload speed mods such as Fast Hands do not affect the rate of replenishment. Mods such as Tactical Reload, and the Synth mod set, on the other hand, will increase said rate.
- Reload speed mods such as
- The Scourge has a unique visual effect with Harrow's Agile idle stance, where it will be collapsed into a smaller configuration when held. It extends to its full length when firing.
Trivia
- A Scourge refers to a whip with multiple thongs or "tails" (a Cat o' nine tails being a good example), and was often used for corporal punishment as well as for self-flagellation by religious penitents. In contemporary terminology, the term has been applied to people, groups, or events that resulted in great calamity.
- While the separate reload time for the alt-fire does nothing, a bug used to allow this shorter reload time to be applied to the primary fire. It could be done by manually pressing the reload key while the spear-throw attack was charging.
Known Bugs
- Galvanized Aptitude is multiplicative to base damage sources on direct hits from primary fire.
- Adhesive Blast could be used to allow the projectiles to stick then explode, but this feature was disabled, making the mod do nothing when equipped.
- Has a high chance of disappearing when thrown.
- This bug can be fixed by switching to an item such as Codex Scanner or entering a Bleedout state.
- Using the Alternate Fire on Captain Vor during his final phase will crash the game, should his Void Key beam kill him.
Media
Scourge Skins
Update History
Update 33.5 (2023-06-21)
- Fixed Furis’ Incarnon Form causing self-damage when shooting an enemy that is affected by Scourge’s Alt-Fire.
Update 32.3 (2023-02-15)
- Fixed Scourge projectiles swirling around Grendel after casting Feast on enemies affected by its alt fire.
Update 32.0 (2022-09-07)
- Ammo Changes
We understand the power fantasy of these weapons is very popular for some, so our first approach was to keep them powerful, but limit how often they can be used by making changes to ammo pick-up.
Ammo Pickup Overrides
The following weapons now have ammo pickup overrides, meaning they gain less from picking up ammo. This mostly applies to AoE weapons, in hopes that players will become more deliberate with their aim to make the most of their Ammo pools. The following lists the specific ammo pick up overrides per weapon category.
Primary Weapon Ammo Pick Up Overrides
60 Ammo per Pick Up:
- Scourge
- Headshot Damage Changes
During playtesting, the ammo changes alone weren’t enough to significantly change things for AoE weapons. So instead of tightening these values to be overly restrictive, we chose to address other factors that make these weapons so strong, such as headshot damage.
Our approach here is two-fold, to reduce the impact of headshots for AOE weapons, but to also make precision headshots pack a larger punch overall.
- Radial damage no longer gains extra headshot damage or triggers headshot conditions.
- This is primarily targeted at the Ignis Wraith - as a “flamethrower” weapon, it’s hard to imagine a blanket of elements being precise enough to target weak points specifically. Explosive projectiles themselves can still land headshots, so there is still a reason to aim with most weapons for maximum damage.
- SPEAR GUN CHANGES
We have changed the way that Spear Guns function in-game to help increase their viability in mission. Based on overwhelming community feedback we’ve:
- Removed the need to manually retrieve your Spear Gun once it’s been thrown. Your Spear Gun now re-appears in your hand using reload.
- Removed the need to charge your Spear Gun to throw it, simply Tap alt-fire to throw!
- Within the arsenal, ‘Charged Throw’ stats have simply become ‘Throw’ stats.
Spear Guns have also received new throw animations and updated sound FX on reload, plus a new Spear Gun category has been added when searching for weapons in the Arsenal.
Update 31.1 (2022-02-09)
- Fixed Javlok projectiles flying side-on to the direction of travel when the Renuntio Speargun Skin is equipped. Also fixes the same scenario for the Scourge/Scourge Prime with the Carcinus Speargun Skin equipped.
Hotfix 29.6.4 (2021-01-06)
- Fixed a Dedicated Server script error in Conclave when using the Scourge.
Update 27.4 (2020-05-01)
- Fixed the Scourge projectile trail FX appearing distorted.
Hotfix 27.2.2 (2020-03-06)
Reduced the following AoE weapons Radial Damage Falloff from central impact that were all previously 90%:
- Scourge: 30% / Alt Fire 60%
Update 27.2 (2020-03-05)
- Self Damage Changes
We are getting rid of Self Damage and replacing it with something else: instead of Self Damage, it’s now ‘Stagger’. This change completely removes the chance of killing yourself, and instead now creates scenarios where you will interrupt yourself - or ‘Stagger’ - to varying degrees if you aren’t careful.
The degrees of Self-Interrupt start with a small stumble all the way to full knockdown depending on how close you are to the center of explosion. Any Mods referring to Self Damage will be converted to acknowledge Stagger.
With this Self-Interrupt system, we have added dozens of new recovery animations that harness a ninja-like recovery experience. By pressing ‘Jump’ at the correct time, you can execute a ninja-skill-based knockdown recovery to ALL in-game knockdowns. This ninja recovery window is indicated by a glowing FX on your Warframe.
In the original Dev Workshop, we said:
As a result of this overall systemic change, Weapons with Stagger will be getting approximately a 20% buff in Damage, with any weapons with AOE receiving a 50% Radial Damage Falloff from central impact.
This is no longer accurate after continued testing. What we are doing now is:
No damage buffs have been added, but any weapons with AOE are receiving ~20% increase in Radius. Additionally, AOE weapons are receiving a 90% Radial Damage Falloff from central impact. This means on the very outer section of the explosion Radius 10% of the Damage will be dealt. Tactics will be deadly - aim true, Tenno.
Why: Several players brought up the history of the Tonkor and we want to make sure we ship this change in a place that’s conservative in its starting point from a balance perspective. The complete removal of Self Damage does change the pace of destruction with some of the game’s most powerful weapons, so we want to make sure we can iterate upwardly instead of releasing a bonanza of explosions with no other choices.
Update 25.0 (2019-05-22)
- 33% of clip reloaded every second when Spear is deployed. This allows for a more fluid use of all the Gun Spear mechanics.
- Increased Ammo pool from 100 to 200.
- Increased Alt Fire's bullet attractor radius from 1.8m to 2m.
- Increased Magazine size from 20 to 40.
- Increased Primary fire area-of-effect damage from 30 to 55.
- Primary Fire recoil reduced.
Hotfix 24.5.2 (2019-03-18)
- Fixed missing Scourge hit sounds.
Hotfix 23.1.2 (2018-07-24)
- Fixed an issue with the Scourge's throw sounds playing when Modding.
Hotfix 22.12.3 (2018-02-12)
- Fixed the Scourge appearing to be rotated incorrectly when viewed on a surface
Update 22.12 (2018-02-09)
- Damage from direct hits increased from 30 to 70 (Primary Fire).
Update 22.0 (2017-10-12)
- Fixed Scourge not being affected by Adhesive Blast and Firestorm Mods.
Update 21.4 (2017-08-10)
- Removed Corrosive radial AoE from Scourge in Conclave.
- Scourge's bullet attractor now lasts 3 seconds in Conclave.
Hotfix 21.3.1 (2017-08-04)
- Adhesive Blast is no longer equippable on the Scourge.
- Lessened the spread from the Heavy Caliber mod when used with the Scourge.
Hotfix 21.0.9 (2017-07-17)
- Fixed the Scourge not being affected by Heavy Caliber's accuracy reduction.
- Fixed the Scourge damaging or killing players when picking it up while paused in Limbo’s Rift before it hits the ground.
- Fixed the Scourge and Cycron Status lasting longer for the Host.
- (undocumented) Fixed projectile being able to bypass Nullifier bubbles.
Update 21.0 (2017-06-29)
- Introduced.
Last updated: Update 25.3 (2019-07-06)
See Also
- Scourge Prime, the Primed counterpart.
- Knell, Harrow's signature sidearm.
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