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Poison Spectral Helix Assassin Build

Poison Spectral Helix Assassin Build

Assassin Build that deals Poison Damage vie Spectral Helix making it extremely powerful and cheap Starter Build

Poison Spectral Helix
Assassin Starter Build

Updated for Patch 3.17

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Guide notes
February 03, 2022
-Build created
Build overview



Boss DPS:



Spectral Helix is an Attack simial to Specrat Throw which has been in the game for a long time now - it uses your Melee weapon as a Projectile. With Spectral Helix your weapon orbits around its starting location over four times piercing all targets and bouncing off the walls up to three times if there are any. Due to the high effectiveness of added and base damage as for an attack with such good AoE, it can be played as a Poison Assassin build as is in this case. A Crit-based build with Perfect Agony and Toxic Delivery to mix the Critical Strikes and Poison mechanics results in steady and high damage output.

As an Assassin, it's easy to reach a 100% Crit Chance and 100% chance to Poison on Hit so it should be of no concern. Use the Uniques such as The Wasp Nest, Ungil's Harmony, and Carcass Jack - these items are usually very cheap, but despite their price, more than often are still better options than their Rare counterparts. The defensives of the build are pretty solid, you have over 5k of Maximum Life, a lot of Evasion Rating with Ghost Dance, permanent Elusive buff, Spell Suppression Chance, Block Chance, Armour, and some Energy Shield on top of that. It's a starter build that can be done with almost no investment.

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1. Gameplay

Spectral Helix is not the best tool for clear speed, you'll be using it only occasionally to kill rare monsters and incubate Poison, use Plague Bearer, its damage is sufficient enough to deal with the packs of monsters. To apply a Withered debuff use Withering Step and Withering Touch combined with Ancestral Protector, it's especially useful during long flights. Apply Despair manually or with a Unique Flask, and use Flame Dash as your Travel Spell. Steelskin or Molten Shield is a good choice for a Guard Spell. For Auras use Precision, Grace, Determination, and Defiance Banner.


This video was recorded on a level 94 Assasin using Wasp Nest, Ungild's Harmony, and Carcass Jack. Generally a very low-budget equipment, that allowed us to easily farm Tier 16 Maps, making it one of the best League Starter setups available currently

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2. Build's PROS & CONS

  • very high Poison and DoT damage
  • it's cheap, great as a league starter
  • has multiple defensive layers
  • one of the most cost-efficient builds out there
  • end-game viable
  • vulnerable when incubating Poison
  • requires some experience with positioning yourself vs. Bosses


3. Leveling tips

Cobra Lash is a very similar attack to the one you will be using later, you can start with it as it's available at level 1. On your Skill Tree and gear look for more Chaos Damage, Damage over Time, and Claw Damage. Keep your Accuracy Rating, Chance to Poison, Resistances, and Maximum Life high. You won't need to respec any Skill Points, the transition to the final build is gradual and intuitive.

Suggested leveling Gem setups:

Cleave setup
Cobra Lash Cobra Lash - Cobra Lash is the best leveling Skill for Poison builds as it can be used since level 1, it's also homing
Lesser Multiple Projectiles Support Lesser Multiple Projectiles Support - more Projectiles for faster clearing
Chance to Poison Support Chance to Poison Support - with this Support Gem alone your Chance to Poison is 80%
Vicious Projectiles Support Vicious Projectiles Support - the best Support Gem for Poisoning Projectiles
various Gems
Whirling Blades Whirling Blades - use it to move faster and avoid attacks
Faster Attacks Support Faster Attacks Support - makes your Whirl faster
Despair Despair - a Curse that lowers Chaos Resistance
Malevolence Malevolence - Aura which makes you deal more DoT, the effect of Poison lasts longer


Kill all three bandits and be rewarded with two additional Skill Points


Leveling Skill Trees:

34 Points Passive Tree
Allocate the two Chaos Clusters and some Maximum Life nodes

71 Points Passive Tree
allocate the Claw Masteries, go for more Critical Strike Chance, Life, and Perfect Agony

Recommended leveling items:

Le Heup of AllLe Heup of All - provides you with Attributes, Damage, and Elemental Resistances
Adds 1 to 4 Physical Damage to Attacks
+(10-30) to all Attributes
(10-30)% increased Damage
(10-30)% increased Rarity of Items found
+(10-30)% to all Elemental Resistances
GoldrimGoldrim - the best leveling Helmet, it grants a lot of Elemental Resistances
+(30-50) to Evasion Rating
10% increased Rarity of Items found
+(30-40)% to all Elemental Resistances
Reflects 4 Physical Damage to Melee Attackers
Level Requirement reduced by 100 (Hidden)
Tabula RasaTabula Rasa - has six white sockets that are always linked
Item has no level requirement and Energy Shield (Hidden)
Item has 6 White Sockets and is fully linked (Hidden)
Viper's ScalesViper's Scales - it has some useful stats, Poison immunity, and increased Chance to Poison on Hit
(80-100)% increased Armour and Evasion
+(30-40) to maximum Life
+(15-25)% to Cold Resistance
5% increased Movement Speed
20% chance to Poison on Hit with Attacks
Cannot be Poisoned
Mortem MorsuMortem Morsu - it requires level 34 and is one of the best options for you at this stage of the game
(75-100)% increased Physical Damage
20% increased Attack Speed
25% increased Critical Strike Chance
+40% to Global Critical Strike Multiplier
(10-20)% of Physical Damage Converted to Chaos Damage
25% reduced Enemy Stun Threshold with this Weapon
60% chance to Poison on Hit

4. Final Skill Tree, Ascendancy Points, and Pantheon

Final Skill Tree:

117 Points Final Passive Tree (doesn't include Cluster or Unique Jewels) 
117 Points Path of Building (PoB) link 

Ascendancy points:

Preferably in that order:

  1. Noxious Strike
  2. Toxic Delivery
  3. Opportunistic
  4. Ambush and Assassinate


Major God: Soul of Solaris: 6% additional Physical Damage Reduction while there is only one nearby Enemy; 20% chance to take 50% less Area Damage from Hits

Minor God: Soul of Shakari: You cannot be Poisoned while there are at least 3 Poisons on you; 50% less Duration of Poisons on You


5. Final Gems links

[DPS] Spectral Helix setup
Spectral Helix Spectral Helix - Fires a copy of your weapon in a form of a Projectile spiraling outwards, dealing its damage, and Poisoning enemies
Unbound Ailments Support Unbound Ailments Support - Poison deals more damage and lasts longer
Added Chaos Damage Support Added Chaos Damage Support - makes you deal more Chaos damage and adds Chaos Damage to Skills
Void Manipulation Support Void Manipulation Support - you now deal more and increased Chaos Damage, but no Elemental Damage
Vicious Projectiles Support Vicious Projectiles Support  - Projectile's speed is reduced, but you gain an additional 50% of Chaos and Physical DoT and 10% more Hit damage 
Nightblade Support Nightblade Support - you gain an Elusive buff on Critical Strike granting you more mobility, chance to avoid damage, Crit. Chance and Crit. Multiplier
[UTILITY] Plague Bearer setup
Plague Bearer Plague Bearer - the Skill used during clearing maps, it deals Chaos DoT around you but requires a previous incubation, it can be charged up by dealing Poison Damage
Increased Area of Effect Support Increased Area of Effect Support - increases the Area of Effect of Plague Bearer
Enhance Support Enhance Support - Quality of Plague Bearer increases its AoE, but with Divergent Quality - its damage
[UTILITY] Curse and Flame Dash setup
Despair Despair - Cursed enemies have reduced Chaos Resistance
Flame Dash Flame Dash - a movement Spell that allows you to teleport over a short distance
Faster Casting Support Faster Casting Support - you can cast the linked Spells Faster
[UTILITY] Mana-reserving setup
Defiance Banner Defiance Banner - Grants you more Armour and Evasion rating while reducing nearby enemies' Critical Strike Chance
Grace Grace - you have additional and increased Evasion Rating
Determination Determination - you have additional and increased Armour
Precision Precision - increases your Accuracy and Critical Strike Chance
[UTILITY] Ancestral Totem setup
Ancestral Protector Ancestral Protector - a Totem granting you 20% more Attack Speed as it stays active
Withering Touch Support Withering Touch Support - Totem's Hits apply a stack of Withered Debuff
Multiple Totems Support Multiple Totems Support - You can place two more Totems to stack Withered Debuff faster
Faster Attacks Support Faster Attacks Support - by attacking faster the Totems stack the Withered debuff with greater efficiency
[UTILITY] Steelskin
Steelskin Steelskin - you take reduced damage from Hits for a short time or until you take too much damage
[MOBILITY] Withering Step setup
Withering Step Withering Step - refreshes your Elusive Buff and increases its effect while applying 6 Withered Debuff stacks on nearby foes
Increased Duration Support Increased Duration Support - Withering Step lasts longer


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6. Gear Setup

The Wasp Nest, Ungil's Harmony, and Carcass Jack are the three Unique Items you should get, the sooner the better. To increase your Damage get rare items with mods increasing your Attack Speed, Damage over Time - for Poison or for Chaos, and increased Ailment Duration. Be sure that your Hit Chance and Chance to Deal Critical Strike is 100%, you can then start looking for Critical Strike Multiplier, with Perfect Agony it will also affect your Poison Damage. To increase your survivability get Maximum Life, Resistances, Spell Suppression Chance, and Evasion Rating with some Energy Shield as it will be restored with Ghost Dance when you take a Hit. Armour, Block Chance, and Chaos Resistance are secondary layers, not as important as the aforementioned stats. It's a starter build, it's cheap.

Our recommended items will:

  1. Cap your resistances at 75%
  2. Provide you with enough DPS and Life to start mapping

Stat priorities on items:

  1. to cap your Elemental Resistances
  2. Maximum Life
  3. Accuracy Rating until reaching 100% Hit Chance
  4. Poison Chance until reaching 100%
  5. Critical Strike Chance until reaching 100%
  6. Chaos Damage over Time
  7. Poison Damage
  8. Evasion Rating
  9. Attack Speed
  10. Critical Strike Multiplier
  11. Area of Effect and Area Damage
  12. Increased Ailment Duration
  13. Spell Suppression Chance
  14. Strength
  15. Intelligence
  16. Armour
  17. Block Chance
  18. Chaos Resistance
The Gull(Helmet) The Gull - with the new Atlas system you can easily exploit Shrines for massive  bonuses, making this Helmet one of the best options for almost any build at nearly 0 cost
Trigger Level 1 Create Lesser Shrine when you Kill an Enemy
(120-150)% increased Evasion and Energy Shield
+(30-45) to maximum Energy Shield
+(60-80) to maximum Life
+(30-40)% to Cold Resistance
75% increased Effect of Shrine Buffs on you
50% increased Duration of Shrine Effects on you
Rare Helmet(Helmet) Rare Helmet - a rare Helmet can be used mainly for higher defensive stats and easier accessibility. If you can afford one, you can also try getting the multiplier to Chaos Damage dealt to nearby enemies
Min. requirements:
+80 to maximum Life
60% Total Elemental Resistance
Optional affixes:
Nearby enemies have -#% Chaos Resistance
Accuracy Rating
Helmet enchantments:
Spectral Helix enchantment mods
The Wasp Nest(Weapon) The Wasp Nest - it's your best option to get all the expected stats on a weapon for a cheap price
+40 Life gained for each Enemy hit by Attacks
(150-170)% increased Physical Damage
(20-25)% increased Attack Speed
(20-25)% increased Critical Strike Chance
+(330-350) to Accuracy Rating
20% chance to Poison on Hit
Attacks with this Weapon deal 80-120 added Chaos Damage against
Enemies affected by at least 5 Poisons
shield(Weapon) Rare Shield - If you want to run all the Auras you will need to get some Reservation Efficiency, you can easily get it on a Shield and socket your Auras there
Min. requirements:
Socketed Gems have #% increased Reservation Efficiency
+80 to maximum Life
Optional affixes:
Elemental Resistances
Chance to Block
Evasion Rating
Dendrobate(Body Armour) Dendrobate - grants a very high DPS bonus if you can match the two listed Attribute requirements. You already have a 100% Chance to Poison, but the extra Added Chaos Damage from the Gem can also come in handy
Socketed Gems are Supported by Level 10 Lesser Poison
(130-150)% increased Evasion and Energy Shield
+40 to maximum Energy Shield
+(15-25)% to all Elemental Resistances
(75-100)% increased Damage with Poison if you have at least 300 Dexterity
(15-25)% increased Poison Duration if you have at least 150 Intelligence
Belly of the Beast(Body Armour) Belly of the Beast - inexpensive Body Armour that grants a lot of Maximum Life making it a decent pick for mid-game
(150-200)% increased Armour
(30-40)% increased maximum Life
+(10-15)% to all Elemental Resistances
50% increased Flask Life Recovery rate
Extra gore
Rare Body Armour(Body Armour) Rare Body Armour - a more situational choice, it can grant you more Life, Resistances, and additional Crit. Chance, but it is also more expensive than Carcass Jack
Min. requirements:
+80 to maximum Life
Attacks have +1% to Critical Strike Chance
+60% to Elemental Resistances
Optional affixes:
You can apply an additional Curse
Enemies you Kill have a chance to Explode, dealing a tenth of their Maximum Life as Physical Damage
increased Area of Effect
Atziri's Step(Boots) Atziri's Step - one of the cheapest pairs of boots which are not bad if you don't mind the lack of Elemental Resistances
180% increased Evasion Rating
+(55-75) to maximum Life
30% increased Movement Speed
+(21-24)% chance to Suppress Spell Damage
Rare Boots(Boots) Rare Boots - aim for Movement Speed, Life, resistances, and some other mods that'd make it a better choice than Atziri's Step
Min. requirements:
+60 to maximum Life
25% increased Movement Speed
+50% to Elemental Resistances
Optional affixes:
You have Tailwind if you have dealt a Critical Strike Recently
chance to gain Onslaught for 4 seconds on Kill
Evasion Rating
Rare Gloves(Gloves) Rare Gloves - Gloves have an abundance of useful Affixes, it's a good place to seek some of the offensive stats such as Accuracy Rating and Attack Speed
Min. requirements:
+50 to maximum Life
+70% to Elemental Resistances
Optional affixes:
increased Attack Speed
Evasion Rating
+#% to Chaos Damage over Time Multiplier
increased Global Critical Strike Chance
Accuracy Rating
Rare Belt(Belt) Rare Belt - get more maximum Life, Resistances, and Strength since it's very common on a Belt
Min. requirements:
+100 to Maximum Life
+80% to Elemental Resistances
Optional affixes:
increased Maximum Life
increased damage
Ungil's Harmony(Amulet) Ungil's Harmony - It gives you a lot of Critical Strike Chance, but these strikes won't deal extra damage, you don't mind it since your Damage scales with Critical Strike Multiplier directly via Perfect Agony making it the most efficient way to get Crit. Chance
+(16-24) to Dexterity and Intelligence
(250-350)% increased Global Critical Strike Chance
Your Critical Strikes do not deal extra Damage
+(30-50) to maximum Life
+(30-50) to maximum Mana
40% increased Stun and Block Recovery
Recommended Anointments:
Heart of Darkness
Rare Ring(Ring) Rare Ring - Life and Resistances are your priorities, you probably will be forced to craft the mods which reduce Mana Cost of Skill. Additionally, look for a Despair Curse on hit so that you won't have to cast it manually.
Min. requirements:
+70% to Elemental Resistances
+50 to Maximum Life
Optional affixes:
Accuracy Rating
Evasion Rating
Curse Enemies with Despair on Hit
increased Attack Speed
Strength and Intelligence
Non-Channelling Skills have -7 to Total Mana Cost
Cobalt Jewel(Jewel) Rare Jewels - acquire a copy with a mod for increased Maximum Life, get the missing Attributes and stats, and check for increased Chaos DoT

Recommended affixes:
7% increased maximum Life
Elemental Resistances
increased Damage over Time
increased Attack Speed, Crit Chance, or Crit Multiplier while holding a Shield, or with One-Handed Melee Weapons
increased Poison Duration
chance to Poison on Hit

Watcher's Eye(Jewel) Watcher's Eye - an Expensive Jewel that you should later acquire, it can grant you various enchantments correlated to the Auras you're using
(4-6)% increased maximum Energy Shield
(4-6)% increased maximum Life
(4-6)% increased maximum Mana
<Two or Three random aura modifiers>
Witchfire Brew(Flask) Witchfire Brew - use for more Evasion, it reduces the Accuracy of the enemies via Smoke Cloud, and grants you a temporary Despair Curse Aura
20% more Evasion Rating
Creates a Smoke Cloud on Use
50% increased Charges per use
Grants Level 21 Despair Curse Aura during Flask Effect

Suggested Flasks:

  1. Quicksilver Flask with Bleeding immunity/removal
  2. Life Flask with random ailment removal
  3. Diamond Flask with random ailment removal
  4. Granite Flask with random ailment removal
Granite FlaskWitchfire BrewQuickilver FlaskLife FlaskDiamond Flask

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