Hailstorm RoundsAmmunition, Attack, AoE, Projectile, Sustained, Cold Tier: 11 Level: 1 Attack Speed: 55% of basePassively generates bolts of ice at a frequency equal to reload time, up to a cap. Activate to Load the accumulated bolts into your Crossbow. All loaded bolts are fired at once, causing them to rain down over the target area.Converts 80% of Physical Damage to Cold Damage Impact radius is 1.2 metres Rain radius is 2.5 metresPlace into a Skill Gem socket to gain this skill. These are found in the Skill Gems panel.
The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.
Gem tier
Support gems
I
Module Error: No results found for item using search term "item_name = Cold Infusion"
LeverageLeverageSupport Category: LeverageSupport Requirements: +5 DexSupports Skills which Hit Enemies. Supported Skills gain increased chance to Critically Hit against Immobilised Enemies.Supported Skills have 50% increased Critical Hit Chance against Immobilised EnemiesPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Module Error: No results found for item using search term "item_name = Martial Tempo"
II
Module Error: No results found for item using search term "item_name = Close Combat"
Cold PenetrationCold PenetrationSupport, Cold Category: Cold Penetration Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 IntSupports any skill that Hits enemies, making those HitsPenetrate enemy Cold resistance.Supported Skills Penetrate 30% Cold ResistancePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Module Error: No results found for item using search term "item_name = Primal Armament"
III
Cold ExposureCold ExposureSupport, Cold, Duration Category: Cold Exposure Tier: 4 Cost & Reservation Multiplier: 120%Support Requirements: +5 IntSupports any skill that Hits enemies, causing it to inflict Exposure when it Critically Hits an enemy.Supported Skills inflict Exposure for 8 seconds on Critical Hit with Cold DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Elemental FocusElemental FocusSupport Category: Elemental Focus Tier: 3Support Requirements: +5 IntSupports any skill that Hits enemies, causing it to deal more Elemental Damage but be unable to inflict Elemental Ailments.Supported Skills deal 25% more Elemental Damage Supported Skills cannot inflict Elemental AilmentsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Nimble ReloadNimble ReloadSupport, Ammunition, Projectile Category: Nimble Reload Tier: 4Support Requirements: +5 DexSupports CrossbowAmmunition Skills, causing them to Reload bolts significantly faster.Supported Skills have 60% increased Crossbow Reload SpeedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
Item acquisition
Hailstorm Rounds has restrictions on where or how it can drop.