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"This Quen weapon excels at delivering Acid payloads that corrode enemy armor. It can be upgraded to deal more damage when fired while sliding or in mid-air."
―Inventory description

The Corrosive Blastsling is a very rare weapon in Horizon Forbidden West. It is a variant of the Blastsling.

By default, it deals 15% more Damage over time.

It can be upgraded five times.

Acquisition details[]

Source Cost Sell Value (base) Sell Value (fully upgraded)
Scalding Spear

Thornmarsh

Outside The Base (after completing All That Remains)

MetalShardsTransparent 1437

1 Bellowback Circulator

1 Large Machine Core

MetalShardsTransparent 625 MetalShardsTransparent 1469

11 Braided Wire

2 Large Machine Core

1 Luminous Brainstem

1 Medium Machine Core

Additionally, this weapon can be found in a supply cache during Tides of Justice. After all the rebels are killed, the cache can be looted.

Ammo[]

Acid Bomb Acid Bomb icon Adhesive Bomb Adhesive Bomb Purgewater Bomb Purgewater Bomb
Acid Damage Corruption-Icon Buildup Corruption-Icon Buildup Adhesive-Icon Purgewater Damage Purgewater Icon Buildup Purgewater Icon
Base 44 151 149 45 154
Level 1 49 161 157 50 165
Level 2 54 169 166 55 173
Level 3 59 182 178 60 187
Level 4 66 195 191 67 199
Level 5 75 209 205 76 214

Upgrade costs[]

Upgrade Cost Unlocks
Level 1
  • Increased damage/buildup
  • Perk: Overdraw Damage +15%
Level 2
  • MetalShardsTransparent 212
  • 8 Braided Wire
  • 1 Greenshine Cluster
  • 2 Greenshine Fragment
  • Increased damage/buildup
  • Second coil unlocked
Level 3
  • MetalShardsTransparent 300
  • 8 Braided Wire
  • 1 Greenshine Chunk
  • 1 Greenshine Cluster
  • 1 Large Machine Core
  • Increased damage/buildup
  • Perk: Agility Damage +15%

Level 4

  • MetalShardsTransparent 450
  • 8 Braided Wire
  • 2 Greenshine Chunk
  • 2 Greenshine Slab
  • 2 Large Machine Core
  • Increased damage/buildup
  • Perk: Damage Over Time +40%
Level 5
  • MetalShardsTransparent 600
  • 8 Braided Wire
  • 3 Greenshine Chunk
  • 3 Greenshine Slab
  • 1 Luminous Brainstem
  • Increased damage/buildup
  • Third coil unlocked
  • Perk: Agility Damage +25%
Horizon Forbidden West Weapons
Blastslings Adhesive Blastsling - Barrage Blastsling - Cloudburst Blastsling - Corrosive Blastsling - Explosive Blastsling - Frost Blastsling - Icefire Blastsling - Legacy's Reach - Nora Thunder Sling - Rampart Blastsling - Siege Blastsling - SkyhammerBS - Wings of the Ten
Boltblasters Brawlbreaker - Eternal VengeanceBS - Hammerburst Boltblaster - Icestorm Boltblaster - Plasma Boltblaster - Puncturing Boltblaster - Relentless Boltbaster - Shock Boltblaster - Skystrike Boltblaster - The Blast Forge
Heavy Weapons Acid Bomb Launcher - Acidspitter - Blaze Bomb Launcher - Bomb Launcher - Cluster Launcher - Coil Blaster - Deathbringer Gun - Disc Launcher - Fire Repeater - Firespitter - Frost Blaster - Inferno Blaster - Inferno Bomb Launcher - Mine Launcher - Plasma Bomb Launcher - Plasma Cannon - Plasma Spine Launcher - Pulse Cannon - Ravager Cannon - Shock Cannon - Spinetail Lancer - Stalker Dart Gun
Hunter Bows Berserker Hunter Bow - Death-Seeker's Shadow - Fire Hunter Bow - Frost Hunter Bow - Hunter Bow - Hunter Training Bow - Lightning Hunter Bow - Marshal Hunter Bow - Purgewater Hunter Bow - Pyre Hunter Bow - Seeker Hunter Bow - Slicing Hunter Bow - Strongarm Hunter Bow - Sun-Touched Hunter Bow - Sunshot Hunter Bow - Tears of the Land-god - The Emperor's ReignBS - The Sun Scourge - Toy BowBS - Vanguard Hunter Bow - Whisper Hunter Bow - Wildfire Hunter Bow
Melee Weapons Champion’s Spear - Nora Legacy Spear
Sharpshot Bows Blacktide Sharpshot BowBS - Cleaving Sharpshot Bow - Delta Sharpshot Bow - Exacting Sharpshot Bow - Forgefall - Glowblast Sharpshot Bow - Gravesinger's LamentBS - Hardweave Sharpshot Bow - Iriv's Downfall - Knockdown Sharpshot Bow - Kue's Sharpshot Bow - Piercing Sharpshot Bow - Regalla's Wrath - Sharpshot Bow - Warden Sharpshot Bow
Shredder Gauntlets Ancestor's Return - Boomer's Shredder Gauntlet - Distant ThunderBS - Ironeater Shredder Gauntlet - Piercing Shredder Gauntlet - Ripsteel Shredder Gauntlet - Slicing Shredder Gauntlet - Sunhawk Shredder Gauntlet - The Final Chapter - Thunderbolt Shredder Gauntlet
Special Specter GauntletBS
Spike Throwers Bellowblast Spike Thrower - Defiance - Glowblast Spike Thrower - Heartshatter Spike Thrower - Impact Spike Thrower - Last ArgumentBS - Prototype Spike Thrower - Pulverizing Spike Thrower - Scalding Spike Thrower - Spinthorn Spike Thrower - The Skykiller - Vindicator Spike Thrower
Ropecasters Anchor Ropecaster - Canister Ropecaster - Elite Canister Ropecaster - Elite Ropecaster - Eventide Ropecaster - Ropecaster - The Tie That BindsBS
Tripcasters All-Mother's Blessing - Beamwire Tripcaster - Delver Tripcaster - Explosive Tripcaster - Forgefire Tripcaster - Glowblast Tripcaster - Guardian Tripcaster - Perimeter Tripcaster - Shock Tripcaster - Tinker's Pride
Warrior Bows Acid Warrior Bow - Adhesive Warrior Bow - Carja Behemoth Short Bow - Carja's Bane - Deathrattle Warrior Bow - Eye of the StormBS - Firestorm Warrior Bow - Frostbite Warrior Bow - Melee Warrior Bow - Rain of Sparks - Renegade Warrior Bow - Shearing Warrior Bow - Shock Warrior Bow - Swift Warrior Bow - Warrior Bow
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