Information about the Icestorm Boltblaster in Horizon Forbidden West, including how to obtain it, how to upgrade it, and what the strengths and weaknesses of the Icestorm Boltblaster are.

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Overview of the Icestorm Boltblaster.

Icestorm Boltblaster Description¶

A mighty Tenakth weapon, this boltblaster can fire Frost and Plasma Bolts. It can be upgraded to inflict extra damage to targets at long range (30m or more).

How to Get the Icestorm Boltblaster¶

You can purchase the Icestorm Boltblaster from the Hunter who has set up camp southwest of The Base. You’ll need one Bellowback Circulator and one Large Machine Core alongside the Metal Shards to purchase it. Bellowback Circulators are an uncommon drop from Bellowbacks and Large Machine Cores are rare drop from large machines, such as a Tremortusk.

How to Use the Icestorm Boltblaster¶

The Icestorm Boltblaster is best used when fighting larger machines that are susceptible to Shock, Plasma or Frost Damage. A great way to use this weapon is to alternate through the different ammo types, so start with Shock to stun the machine, then switch over to Plasma and wait for it to wear to trigger a heavy hitting explosion.

How to Upgrade the Icestorm Boltblaster¶

Icestorm Boltblaster Rank I Upgrades¶

• Metal Shards - Common Drop from all Machines.
• Braided Wire - Common Drop from all Machines.
• Medium Machine Core - Rare Drop from medium sized Machines, such as the Scorcher.
• Small Machine Core - Uncommon Drop from small Machines such as the Grazer.

Icestorm Boltblaster Rank II Upgrades¶

• Metal Shards - Common Drop from all Machines.
• Braided Wire - Common Drop from all Machines.
• Bellowback Sac Webbing - Rare Drop from Bellowbacks.
• Clamberjaw Tail Duster - Very Rare drop from Claberjaws.

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Aloy tries out her new Icestorm Boltblaster.

Icestorm Boltblaster Rank III Upgrades¶

• Metal Shards - Common Drop from all Machines.
• Braided Wire - Common Drop from all Machines.
• Large Machine Core - Rare Drop from large Machines, such as the Fireclaw.
• Clamberjaw Circulator - Uncommon Drop from Claberjaws.
• Frostclaw Sac Webbing - Rare Drop from Frostclaws.

Icestorm Boltblaster Rank IV Upgrades¶

• Metal Shards - Common Drop from all Machines.
• Large Machine Core - Rare Drop from large Machines, such as the Fireclaw.
• Frostclaw Circulator - Uncommon Drops from Frostclaws.
• Apex Clamberjaw Heart - Very Rare Drop from Apex Clamberjaws.
• Bellowback Primary Nerve - Uncommon Drop from Uncommon Drops Bellowbacks.

Icestorm Boltblaster Rank V Upgrades¶

• Metal Shards - Common Drop from all Machines.
• Luminous Brainstem - Very Rare Drop from the toughest Machines the Forbidden West has to offer, such as the Behemoths and Tideripper.
• Thunderjaw Primary Nerve - Rare Drop from Thunderjaws.
• Dreadwing Metal Fang - Very Rare Drop from Dreadwings.
• Apex Scorcher Heart - Very Rare Drop from Apex Scorchers.

Icestorm Boltblaster Stats¶

Shock Bolts	Base	Rank I	Rank II	Rank III	Rank IV	Rank V
Shock	18	19	21	23	25	29
Shock Buildup	18	19	20	21	23	25

Plasma Bolts	Base	Rank I	Rank II	Rank III	Rank IV	Rank V
Plasma	18	19	21	23	26	29
Plasma Buildup	18	19	22	21	23	25

Frost Bolts	Base	Rank I	Rank II	Rank III	Rank IV	Rank V
Frost	18	19	21	23	25	29
Frost buildup	18	19	20	21	23	25

Icestorm Boltblaster Perks¶

Perks	Base	Rank I	Rank II	Rank III	Rank IV	Rank V
Concentration Damage	+10%	+10%	+10%	+10%	+25%	+25%
Overdraw Damage	+15%	+15%	+15%	+15%	+15%	+15%
Long-Range Damage	–	—	–	+15%	+15%	+40%

• Concentration Damage - Increases damage dealt while in Concentration mode.
• Overdraw Damage - Increases damage dealt when using Overdraw with a weapon.
• Long-Range Damage - Increases damage against enemies at long-range (30m or more)

Icestorm Boltblaster Ammo Types¶

Icon	Name	Effect
	Shock Bolts	Deals Shock Damage and Deals Shock Buildup
	Frost Bolts	Deals Frost damage and Frost Buildup
	Plasma Bolts	Dead Plasma Damage and Plasma Buildup

• Shock Bolts - Shock Damage has the ability to stun the Machines, so it’s best used against Machines that are constantly on the move.
• Frost Bolts - Frost Damage has the ability to increase impact damage, so you’ll want to use it until the DoT (Damage over Time) has been put on the Machine, then switch over to a weapon with Impact Ammo.
• Plasma Bolts - Plasma }Damage builds up on the machines and explodes for a lot of damage.