Blast Rain

Fire, Attack, AoE, Projectile, Bow

Level: 1–20

Effectiveness of Added Damage: 30–36%

Requires Level 28

Fires arrows up in the air, to rain down in an area. Each arrow deals area damage around where it lands, and they will all overlap on the targeted location.

Fires 5 additional Arrows
100% of Physical Damage Converted to Fire Damage
Penetrates (20–30)% Fire Resistance

Additional Effects From Quality:

(0–10)% increased Area of Effect

Unusual Gems /4 ⍟

Type	Stats	Weight
Superior	(0–10)% increased Area of Effect	50
Anomalous	(0–5)% chance to Cover Enemies in Ash on Hit	100
Divergent	(0–40)% increased Damage to distant Enemies	100
Phantasmal	Arrows fall within a (0–60)% increased Area of Effect	100

Quest /2 ⍟

Act	Quest	NPC	Character
3	Sever the Right Hand	Quest Reward	Duelist · Ranger
3	Sever the Right Hand	Clarissa	Duelist · Ranger · Scion

Weapon /1

Weight	Desc
1000 (T5)	All Damage from Blast Rain and Artillery Ballista Hits can Poison 25% chance for Poisons inflicted with Blast Rain or Artillery Ballista to deal 100% more Damage

Level Effect /40

Implicit
100% of Physical Damage Converted to Fire Damage Fires 5 additional Arrows

Level	Requires Level	Dexterity	Cost	Base Damage	Penetrates 20% Fire Resistance	Experience
1	28	67	8	30%	20	199,345
2	31	73	8	30.3%	21	285,815
3	34	79	8	30.6%	21	401,344
4	37	85	8	30.9%	22	554,379
5	40	92	9	31.2%	22	477,437
6	42	96	9	31.5%	23	583,786
7	44	100	9	31.8%	23	710,359
8	46	104	9	32.1%	24	1,355,511
9	48	109	9	32.4%	24	1,138,877
10	50	113	9	32.7%	25	1,368,233
11	52	117	9	32.9%	25	1,638,338
12	54	121	10	33.2%	26	1,956,648
13	56	125	10	33.5%	26	3,655,184
14	58	130	10	33.8%	27	3,017,327
15	60	134	10	34.1%	27	7,759,995
16	62	138	10	34.4%	28	15,138,193
17	64	142	10	34.7%	28	26,083,825
18	66	146	10	35%	29	62,620,247
19	68	151	10	35.3%	29	211,708,088
20	70	155	10	35.6%	30
21	72		10	35.9%	31
22	74		10	36.2%	31
23	76		11	36.5%	32
24	78		11	36.8%	32
25	80		11	37.1%	33
26	82		11	37.4%	33
27	84		11	37.7%	34
28	86		12	38%	34
29	88		12	38.3%	35
30	90		12	38.5%	35
31	91		12	38.7%	36
32	92		12	38.8%	36
33	93		12	39%	37
34	94		12	39.1%	37
35	95		12	39.3%	38
36	96		12	39.4%	38
37	97		13	39.6%	39
38	98		13	39.7%	39
39	99		13	39.9%	40
40	100		13	40%	41

Cost	iLvl 1: Normal: 1xOrb of Chance
Acronym	Resistance
DropLevel	28
BaseType	Blast Rain
Class	Skill Gems
Weapon	Bows
TargetTypes	Ground, Enemy,
Type	Attack, RangedAttack, Fire, MirageArcherCanUse, Area, ProjectileSpeed, ProjectileNumber, Totemable, Trappable, Mineable, Triggerable, Rain
Metadata	Metadata/Items/Gems/SkillGemBlastRain
Reference	poe.ninja, Community Wiki

Blast Rain Monster /20 ⍟

Name	Modifiers	Spectre
Kraityn's Sentry		Y
Oak's Sniper		Y
Oak's Guardian		Y
Oak's Guardian	monster no drops or experience [1]	Y
Guard Archer		Y
Enterprising Bandit		Y
Oyra Ona	monster base type attack cast speed +% and damage -% final [33] 50% chance to gain a Frenzy Charge on Hit	Y
Daemon		Y
Blast Rain Trap		Y
Splinter Liege	monster dropped item rarity +% [15000] monster slain experience +% [100] permanent actor scale +% on minion death [-2] permanent damage taken +% on minion death [2] permanent item quantity +% on minion death [-40] permanent item rarity +% on minion death [-80] monster dropped item quantity +% [800] monster dropped item rarity +% [1600] 40% reduced Damage taken cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Unravelling Horror		Y
Unravelling Horror	monster dropped item rarity +% [15000] monster slain experience +% [100] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Tukohama's Scout	Gain 100% of Physical Damage as Extra Cold Damage	Y
Yriel, the Feral Lord	drop additional rare items [3] monster no map drops [1] monster dropped item rarity +% [15000] monster slain experience +% [100] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Yriel, the Feral Lord	monster no map drops [1] monster dropped item rarity +% [15000] monster slain experience +% [100] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Yriel, the Feral Lord	monster dropped item rarity +% [15000] monster slain experience +% [100] cannot be stunned for ms after stun finished [2000] cannot be stunned while stunned [1]	Y
Forgotten Warrior	Gain 100% of Physical Damage as Extra Fire Damage	Y
Hyrri's Sister	Gain 100% of Physical Damage as Extra Cold Damage	Y
Trial Flamechaser	monster no map drops [1]	Y
Trial Flamechaser		Y

Microtransactions /1 ⍟

Icon	Name
	Ebony Blast Rain Effect Your Blast Rain becomes an ebony effect.

Labyrinth Enchantment helmet /6 ⍟

Level	Name	Mod	Weight
The Merciless Labyrinth	Enchantment Blast Rain Damage 1	Blast Rain deals 25% increased Damage	100
The Eternal Labyrinth	Enchantment Blast Rain Damage 2	Blast Rain deals 40% increased Damage	100
The Merciless Labyrinth	Enchantment Blast Rain Area Of Effect 1	Blast Rain has 16% increased Area of Effect	100
The Eternal Labyrinth	Enchantment Blast Rain Area Of Effect 2	Blast Rain has 24% increased Area of Effect	100
The Merciless Labyrinth	Enchantment Blast Rain Additional Blast 1	Blast Rain fires an additional Arrow
The Eternal Labyrinth	Enchantment Blast Rain Additional Blast 2	Blast Rain fires an additional Arrow	100

Supported By /103 ⍟

Icon	Name
	Added Fire Damage Support Supports any skill that hits enemies.
	Faster Attacks Support Supports attack skills.
	Greater Multiple Projectiles Support Supports projectile skills.
	Lesser Multiple Projectiles Support Supports projectile skills.
	Faster Projectiles Support Supports projectile skills.
	Added Cold Damage Support Supports any skill that hits enemies.
	Additional Accuracy Support Supports attack skills.
	Increased Area of Effect Support Supports any skill with an area of effect.
	Added Lightning Damage Support Supports any skill that hits enemies.
	Increased Critical Strikes Support Supports any skill that hits enemies.
	Increased Critical Damage Support Supports any skill that hits enemies.
	Knockback Support Supports any skill that hits enemies.
	Life Leech Support Supports any skill that hits enemies, causing those hits to leech life based on damage dealt.
	Mana Leech Support Supports attack skills that hit enemies, causing those hits to leech mana based on damage dealt.
	Added Chaos Damage Support Supports any skill that hits enemies.
	Stun Support Supports any skill that hits enemies, making it easier to stun enemies with those skills.
	Trap Support Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a trap that will use the skill for you when an enemy walks near it. Traps cannot use channelling skills.
	Item Rarity Support Supports any skill that can kill enemies.
	Concentrated Effect Support Supports any skill with an area of effect, regardless of whether that skill deals damage.
	Cold to Fire Support Supports any skill that hits enemies.
	Combustion Support Supports any skill that hits enemies.
	Elemental Damage with Attacks Support Supports attack skills.
	Life Gain on Hit Support Supports attack skills.
	Elemental Proliferation Support Supports any skill that hits enemies, or could otherwise apply elemental ailments.
	Culling Strike Support Supports any skill that hits enemies. If enemies are left below 10% of maximum life after being hit by these skills, they will be killed.
	Point Blank Support Supports projectile skills.
	Iron Grip Support Supports attack skills that fire projectiles, making the increase to physical melee damage from strength also increase their physical projectile damage.
	Damage on Full Life Support Supports attack skills, providing a bonus to all damage dealt by those skills while your life is full.
	Blastchain Mine Support Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
	Chance to Flee Support Supports any skill that hits enemies.
	Blind Support Supports any skill that hits enemies.
	Ballista Totem Support Supports any bow or wand attack skill, causing it to summon a ballista totem that uses the skill for you.
	Fire Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy fire resistance.
	Cold Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy cold resistance.
	Lightning Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy lightning resistance.
	Elemental Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy elemental resistances.
	Power Charge On Critical Support Supports any skill that hits enemies.
	Burning Damage Support Supports any skill that hits enemies, or can deal burning damage directly.
	Hextouch Support Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.
	Cast On Critical Strike Support Must support both an attack skill and a spell skill to work. The attack skill will trigger a spell when it critically strikes an enemy. Cannot support totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
	Slower Projectiles Support Supports projectile skills.
	Vicious Projectiles Support Supports projectile attack skills.
	Block Chance Reduction Support Supports any skill that hits enemies.
	Physical to Lightning Support Supports any skill that hits enemies.
	Ice Bite Support Supports any skill you use to hit enemies yourself. Cannot support skills used by totems, traps, or mines.
	Hypothermia Support Supports any skill that deals damage.
	Innervate Support Supports any skill you use to hit enemies yourself. Cannot support skills used by totems, traps, or mines.
	Critical Strike Affliction Support Supports any skill that hits enemies.
	Void Manipulation Support Supports any skill that deals damage.
	Controlled Destruction Support Supports attack skills, or spell skills that deal damage.
	Swift Affliction Support Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
	Elemental Focus Support Supports any skill that hits or burns enemies, or inflicts elemental ailments.
	Ignite Proliferation Support Supports any skill that hits enemies.
	Chance to Bleed Support Supports attack skills. Cannot support skills that create minions.
	Chance to Poison Support Supports any skill that hits enemies.
	Deadly Ailments Support Supports any skill that hits enemies.
	Decay Support Supports any skill that hits enemies.
	Efficacy Support Supports any skill that deals damage or has a duration.
	Vile Toxins Support Supports any skill that hits enemies.
	Maim Support Supports attack skills, or other skills that can maim enemies.
	Immolate Support Supports any skill that hits enemies.
	Unbound Ailments Support Supports any skill that hits enemies or inflicts ailments
	Brutality Support Supports any skill that deals damage.
	Momentum Support Supports attack skills that aren't triggered.
	Summon Phantasm Support Supports skills that can hit enemies, or create minions. When those skills or minions kill enemies, or hit rare or unique enemies they will have a chance to summon a Phantasm minion, which uses a piercing projectile spell that deals physical damage.
	Mirage Archer Support Supports attack skills that can be used with bows. Supported skills can only be used with bows. Cannot support Vaal skills, minion skills, movement skills, or skills used by totems, traps, or mines.
	Withering Touch Support Supports attack skills.
	Bonechill Support Supports any skill that can chill enemies or create chilling areas.
	Energy Leech Support Supports any skill that hits enemies, causing those hits to leech energy shield based on damage dealt.
	Impale Support Supports attack skills.
	Nightblade Support Supports attack skills. Cannot support skills which create minions.
	High-Impact Mine Support Supports spells, or attacks that use bows or wands. Instead of using that skill, you will throw a mine that will use the skill for you when you detonate it. Mines cannot use channelling skills.
	Barrage Support Supports projectile attack skills that use bows or wands. Cannot support triggered skills, channelled skills, or skills that create Minions.
	Awakened Added Fire Damage Support Supports any skill that hits enemies.
	Awakened Brutality Support Supports any skill that deals damage.
	Awakened Burning Damage Support Supports any skill that hits enemies, or can deal burning damage directly.
	Awakened Elemental Damage with Attacks Support Supports attack skills.
	Awakened Fire Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy fire resistance.
	Awakened Added Cold Damage Support Supports any skill that hits enemies.
	Awakened Cast On Critical Strike Support Must support both an attack skill and a spell skill to work. The attack skill will trigger a spell when it critically strikes an enemy. Cannot support totems, traps, or mines. Vaal skills, channelling skills, and skills with a reservation cannot be triggered.
	Awakened Cold Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy cold resistance.
	Awakened Deadly Ailments Support Supports any skill that hits enemies.
	Awakened Greater Multiple Projectiles Support Supports projectile skills.
	Awakened Swift Affliction Support Supports any skill that has a duration, or can hit enemies to inflict ailments on them.
	Awakened Void Manipulation Support Supports any skill that deals damage.
	Awakened Vicious Projectiles Support Supports projectile attack skills.
	Awakened Added Chaos Damage Support Supports any skill that hits enemies.
	Awakened Added Lightning Damage Support Supports any skill that hits enemies.
	Awakened Controlled Destruction Support Supports attack skills, or spell skills that deal damage.
	Awakened Hextouch Support Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.
	Awakened Elemental Focus Support Supports any skill that hits or burns enemies, or inflicts elemental ailments.
	Awakened Increased Area of Effect Support Supports any skill with an area of effect.
	Awakened Lightning Penetration Support Supports any skill that hits enemies, making those hits penetrate enemy lightning resistance.
	Awakened Unbound Ailments Support Supports any skill that hits enemies or inflicts ailments
	Trinity Support Supports skills that hit enemies, causing them to gain bonuses while you have resonance of all three elements, and to grant resonance of elements other than the highest one in a hit. There is a maximum of 50 Resonance for each Element. Cannot support triggered skills, instant skills, orb skills, brands, skills with a reservation, or skills used by totems, traps, or mines. Cannot modify the skills of minions.
	Bloodthirst Support Supports attack skills. Cannot support triggered skills, skills which create minions, or skills used by totems, traps or mines.
	Cruelty Support Supports any skill that hits enemies. Minions cannot gain Cruelty.
	Overcharge Support Supports any skill that hits enemies.
	Manaforged Arrows Support Supports bow attack skills, causing them to trigger when you've spent enough mana in total on other bow attacks. Cannot modify the skills of minions. Cannot support totems, traps, mines, Vaal skills, or channelling skills
	Prismatic Burst Support Supports attacks, causing them to trigger the Prismatic Burst spell. Cannot support triggered attacks or attacks used by things other than you. Cannot modify the skills of minions.
	Devour Support Supports any skill that hits enemies.
	Sadism Support Supports any skill that hits enemies.
	Volatility Support Supports attack skills.

Community Wiki

Edit

Blast Rain

Blast Rain is a bow attack that fires an arrow into the air that splits and rains down in a series of explosions over an area.

Skill functions and interactions

Damage conversion: 100% of the player's physical damage will be converted to fire damage. Like all converted damage, the fire portion of Blast Rain's damage will be modified by both fire damage and physical damage increases.
Projectile damage: Although Blast Rain does not fire projectiles (and therefore cannot benefit from projectile effects such as chaining), it deals projectile damage and will be affected by any appropriate damage modifiers (such as Vicious Projectiles Support).
Area of effect: Explosions fall in a 24 radius area and may overlap in a 3-unit circle. This area is affected by modifiers to area of effect.
Additional Projectiles: Each additional projectile adds an explosion to the attack.
Animation speed: The delay between using the attack and the first projectile falling is 600ms, which can be modified by both attack speed and projectile speed. The falling animation takes 270ms and cannot be modified.
Tooltip damage: The tooltip DPS only takes into account the damage from a single explosion.

Version history

Version	Changes
3.13.0	Now penetrates 20% fire resistance at gem level 1 (from 15%), up to 30% at gem level 20 (from 25%).
3.12.0	Now has alternative quality.
3.9.0	Now deals 30% of base damage at gem level 1 (from 40%), up to 36% at gem level 20 (from 48%). Sources of additional projectiles now add additional explosions. Now has 5 additional projectiles at all levels (from 4).
3.3.0	Now converts 100% of physical damage to fire (up from 50%). Now penetrates 15% fire resistance at gem level 1, up to 25% at gem level 20.
2.6.0	Blast Rain's radius has increased from 20 to 24 units. No longer gain increased area of effect radius.
2.4.1	Fixed a case of desync with Blast Rain and Kinetic Blast with the extra explosion helmet enchantment.
2.3.0	If you use Rain of Arrows, Blast Rain and Bladefall to target a blocked location then they will be now used on the nearest valid location.
2.1.0	Blast Rain was added to the game.

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