Blade BlastSpell, AoE, Physical Level: (1-20) Cost: (6-16) Mana Cast Time: 0.50 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 70%Requires Level 16Deals spell damage in a targeted area. Each time this spell deals damage, it will detonate any of your Lingering Blades it touches, dealing damage again in an area around them. Up to 50 Blades can be detonated this way.Deals (11-309) to (17-464) Physical Damage Base radius is 1.4 metres
Additional Effects From 1-20% Quality: Base radius is (0.005-0.1) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Blade Blast is a spell that creates an area of effect explosion that deals physical damage. The explosion chains to any Lingering Blades left on the ground by BladefallBladefallSpell, AoE, Physical, Duration Level: (1-20) Cost: (12-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 140% AoE Radius: 12Requires Level 28Ethereal weapons rain from the sky, dealing damage to enemies in a sequence of volleys. Enemies can be hit multiple times where these overlap.Deals (43-595) to (65-893) Physical Damage Base duration is 6.00 seconds Leaves a Lingering Blade in the ground for every Volley 5 Volleys Maximum 40 Lingering Blades can be left in the ground at a time
Additional Effects From 1-20% Quality: +(0.05-1) VolleysPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..
The damage and level of the skill that leaves lingering blades on the ground is not calculated in the blade blast damage. Lower level skills can create more blades in certain situations. For example:
Keeping skills low enough to support a level one Cast when Damage Taken SupportCast when Damage Taken SupportSupport, Spell, Trigger Icon: ! Level: (1-20) Cost & Reservation Multiplier: 250% Cooldown Time: 0.25 sec Can Store 1 Use(s)Requires Level 38Each supported spell skill will track damage you take, and be triggered when the total damage taken reaches a threshold. Cannot support skills used by totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.This Gem can only Support Skill Gems requiring Level (38-70) or lower Supported Skills deal (65-27)% less Damage Trigger Supported Spells when you take (528-3272) total Damage from Hits
Additional Effects From 1-20% Quality: Supported Skills require (0.5-10)% reduced amount of Damage taken to TriggerThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket., will give the best chance to create maximum blades from damage taken.
Lingering blades from Ethereal KnivesEthereal KnivesSpell, Projectile, Physical Level: (1-20) Cost: (5-20) Mana Cast Time: 0.60 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 220% Projectile Speed: 1300Fires an arc of knives outwards in front of the caster which deal physical damage.Deals (7-949) to (10-1423) Physical Damage Fires (10-13) Projectiles
Additional Effects From 1-20% Quality: Fires +(0.1-2) ProjectilesPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. and BladefallBladefallSpell, AoE, Physical, Duration Level: (1-20) Cost: (12-23) Mana Cast Time: 0.70 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 140% AoE Radius: 12Requires Level 28Ethereal weapons rain from the sky, dealing damage to enemies in a sequence of volleys. Enemies can be hit multiple times where these overlap.Deals (43-595) to (65-893) Physical Damage Base duration is 6.00 seconds Leaves a Lingering Blade in the ground for every Volley 5 Volleys Maximum 40 Lingering Blades can be left in the ground at a time
Additional Effects From 1-20% Quality: +(0.05-1) VolleysPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. will persist after unequipping them. Therefore using said skills on a weapon swap and then swapping back to blade blast will save gem slots.
Blade Blast can be created from the following recipes:
Amount
Part
Description
Meta
13
The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.
Random corruptedlevel 21 Spell gem
A
6
The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox." - Ezomyte Proverb
Random level 20 gem
A
3
Gemcutter's PromiseGemcutter's Promise3Gem Quality:+20%"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
Random gem with 20% quality
A
1
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
Random gem with 1–20% quality
A
1
The VoidThe Void1Reach into the Void and claim your prize.
Random divination card set exchange
A
Quest reward
This item is given as a quest reward for the following quests:
The following gems are transfigured versions of Blade BlastBlade BlastSpell, AoE, Physical Level: (1-20) Cost: (6-16) Mana Cast Time: 0.50 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 70%Requires Level 16Deals spell damage in a targeted area. Each time this spell deals damage, it will detonate any of your Lingering Blades it touches, dealing damage again in an area around them. Up to 50 Blades can be detonated this way.Deals (11-309) to (17-464) Physical Damage Base radius is 1.4 metres
Additional Effects From 1-20% Quality: Base radius is (0.005-0.1) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.:
Blade Blast of Dagger DetonationBlade Blast of Dagger DetonationSpell, AoE, Physical, Nova Level: (1-20) Cost: (8-21) Mana Cast Time: 0.65 sec Critical Strike Chance: 6.00%Requires Level 16Deals spell damage in an area around you. Your equipped daggers add to this damage.Deals (11-309) to (17-464) Physical Damage Deals Added Spell Damage equal to (200-675)% of Damage of Equipped Dagger If two Daggers are Equipped, each contributes half as much Added Damage Base radius is 2.6 metres
Additional Effects From 1-20% Quality: Base radius is (0.015-0.3) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.: Unlike the original skill, this transfigured version does not interact with Lingering Blades. Instead, it has higher damage effectiveness, longer cast time, is centred around the user as a nova, and gains added damage from your equipped daggers similar to a stronger version of Spellblade SupportSpellblade SupportSupport, Spell Icon: | Level: (1-20) Cost & Reservation Multiplier: 130%Requires Level 38Supports spells that hit enemies. Cannot modify the skills of minions.Supported Skills have Added Spell Damage equal to (40-135)% of Damage of Equipped One Handed Melee Weapons If two Weapons are Equipped, each contributes 60% as much Added Damage
Additional Effects From 1-20% Quality: Supported Skills deal (0.5-10)% increased Spell DamageThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket..
Blade Blast of UnloadingBlade Blast of UnloadingSpell, AoE, Physical, Nova Level: (1-20) Cost: (8-21) Mana Cast Time: 0.65 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 250%Requires Level 16Deals spell damage in an area around you. If you have Blade Vortex blades orbiting you, it will detonate each of them in turn, dealing damage again in an area around you for each one.Deals (40-1107) to (60-1661) Physical Damage Base radius is 1.4 metres 100% more Area of Effect per Blade Vortex blade detonated
Additional Effects From 1-20% Quality: Base radius is (0.005-0.1) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.: Unlike the original skill, this transfigured version does not interact with Lingering Blades. Instead, it has higher damage effectiveness, longer cast time, is centred around the user as a nova, and detonates each blade stack from Blade VortexBlade VortexSpell, AoE, Duration, Physical Level: (1-20) Cost: (6-16) Mana Cast Time: 0.50 sec Critical Strike Chance: 6.00% Effectiveness of Added Damage: 30%Requires Level 12This spell creates ethereal blades which orbit in an area around you, dealing damage every 0.6 seconds to all enemies in their radius. As more blades are added, the damage becomes greater and more frequent.Deals (3-140) to (5-211) Physical Damage Base duration is 4.00 seconds +(0-0.2) metres to radius 35% increased Hit Rate for each blade 35% more Damage for each blade Can have up to 10 active spinning blades
Additional Effects From 1-20% Quality: +(0.25-5)% increased Hit Rate for each bladePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket., dealing damage for each blade in an expanding area around the player until no blades remain, or 10 blades have been detonated by that detonation chain.
Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.
BladefallBladefallSpell, AoE, Physical, Duration
.
Cast when Damage Taken SupportCast when Damage Taken SupportSupport, Spell, Trigger
, will give the best chance to create maximum blades from damage taken.
Ethereal KnivesEthereal KnivesSpell, Projectile, Physical
and 
The Cataclysm
The Cataclysm
13Level 21 Spell Gem
The Fox
6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
Gemcutter's Promise
3Gem
Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item
The Void
1Reach into the Void and claim your prize.
Blade BlastBlade BlastSpell, AoE, Physical
:
Blade Blast of Dagger DetonationBlade Blast of Dagger DetonationSpell, AoE, Physical, Nova
: Unlike the original skill, this transfigured version does not interact with Lingering Blades. Instead, it has higher damage effectiveness, longer cast time, is centred around the user as a nova, and gains added damage from your equipped daggers similar to a stronger version of 
Spellblade SupportSpellblade SupportSupport, Spell
.
Blade Blast of UnloadingBlade Blast of UnloadingSpell, AoE, Physical, Nova
: Unlike the original skill, this transfigured version does not interact with Lingering Blades. Instead, it has higher damage effectiveness, longer cast time, is centred around the user as a nova, and detonates each blade stack from 
Blade VortexBlade VortexSpell, AoE, Duration, Physical
, dealing damage for each blade in an expanding area around the player until no blades remain, or 10 blades have been detonated by that detonation chain.
Illusionist Blade Blast EffectSkill Gem EffectYour Blade Blast becomes an Illusionist Effect.
Sawblade Blast EffectSkill Gem EffectYour Blade Blast becomes a Sawblade Effect.
Void Emperor Blade Blast EffectSkill Gem EffectYour Blade Blast becomes a Void Emperor Effect.