Relentless Boltbaster

Relentless Boltbaster
Type	Ranged weapon
Effects	Impact Damage Explosive Damage
Perks	Corroding Enemy Damage Overdraw Damage Melee Follow-Up
Mod Slots	1 (3 after upgrades)
Source	Dukkah
Cost to buy	54 Hunting Medals
Value when sold	625 Fully upgraded 1469 11 Braided Wire 2 Large Machine Core 1 Luminous Brainstem 1 Medium Machine Core
Ammunition
Shot Type Group	Bolt
Shot Type	Advanced Bolt Bolt Explosive Bolt

"This heavy-hitting Oseram weapon is ideal for use against Corroding enemies. It can fire Explosive Bolts and deal extra ranged damage after a successful melee attack."

―Inventory description

The Relentless Boltblaster is a very rare weapon in Horizon Forbidden West. It is a variant of the Boltblaster.

By default, it deals 10% more damage against enemies in the Corroded state.

It can be upgraded five times.

Acquisition details

Source	Cost	Sell Value (base)	Sell Value (fully upgraded)
Dukkah	54 Hunting Medals	625	1469 11 Braided Wire 2 Large Machine Core 1 Luminous Brainstem 1 Medium Machine Core

Ammo

	Bolts	Explosive Bolts		Advanced Bolts
	Damage	Damage	Explosive Damage	Damage
Base	19	19	17	Locked
Level 1	20	20	18	Locked
Level 2	22	22	20	Locked
Level 3	24	24	22	39
Level 4	27	27	25	43
Level 5	31	31	28	49

Magazine capacity of 42 Bolts, 21 Explosive Bolts, or 35 Advanced Bolts before reloading.

Upgrade costs

Upgrade	Cost	Unlocks
Level 1	127 4 Braided Wire 1 Medium Machine Core 4 Small Machine Core	Increased damage Perk: Overdraw Damage +15%
Level 2	212 6 Braided Wire 2 Elemental Clawstrider Sac Webbing 3 Stalker Stealth Generator	Increased damage Second coil unlocked
Level 3	300 10 Braided Wire 1 Elemental Clawstrider Circulator 1 Large Machine Core 3 Rockbreaker Mining Claw	Increased damage Advanced Bolts unlocked Perk: Melee Follow Up +15%
Level 4	450 2 Large Machine Core 1 Rockbreaker Circulator 8 Shellsnapper Shell Bolt 1 Stalker Primary Nerve	Increased damage Perk: Corroding Enemy Damage +25%
Level 5	600 3 Apex Behemoth Heart 1 Apex Tideripper Heart 1 Luminous Brainstem 1 Shellsnapper Primary Nerve	Increased damage Third coil unlocked Perk: Melee Follow Up +40%