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Bladefall Blade Blast Poison Assasin Build

Bladefall Blade Blast Poison Assasin Build

Assassin build that uses Poison to deal massive amounts of damage from overlapping Blade Blast's explosions

Bladefall Blade Blast Poison
Assassin build

Updated for Patch 3.15

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Guide notes
July 3, 2021
-Build created
July 26, 2021
-Build updated for path 3.15
Major changes:
-Support Gems revised
-Improved mana sustainability
July 28, 2021
-Added gameplay video

 

Bladefall skill combined with Blade Blast is a popular choice for Assassins. Both of these Spells are dealing Physical Damage, but the main source of damage will come from Blade Blast, Bladefall is used just so there can be blades to be blasted. With Bladefall your main objective is to cast as many blades as possible - that's why the usual Supporting gems for it are Unleash and Spell Cascade. Assasin Ascendancy offers great synergy with Poisons - it will be yet another source of DPS in this build. Ungil's Harmony Unique Amulet and Coralito's Signature Unique Flask have an interesting effect - your Critical Strikes will deal no extra damage, but both of these items grant something in return. The Amulet mostly increases your Critical Strike Chance by a lot, and the Flask increases your Poison effectiveness and grants you Perfect Agony during its effect - a Keysone that makes the Poison applied from Critical Strikes include the Damage increases from Critical Strike Multiplier at 50% of its value. Toxic Delivery Ascendany Keystone will increase the Poison Damage from Critical Strikes by another 50%. What it means is that despite not dealing extra damage from Critical Strikes, your Critical Strikes will increase your DPS anyway, not with Hits but with Poison.

The build is Life-based with a lot of Evasion Rating and Chance to Dodge Hits. Energy Shield and Armour are almost non-existent. Ascendancy offers you immunity to Reflected Damage given these are Critical Strikes and Mistwalker - a Keystone that increases the Elusive effect, and you take no extra damage from Critical Strikes. Noxious Strike grants almost instant Life Regeneration. Withering Step grants more Elusive effectiveness and Phasing, and applies few Stacks of Withered, increasing Chaos Damage enemies take by 6% per stack. The Damage from Blade Blast can stack, that's why it is important to get a reasonable amount of increased AoE. It is a common practice to own a Helmet with a mod granting Concentrated effect for socketed Gems and put Bladefall there - the Area on with your blades fall will be smaller, but the number of blades will stay the same so it's actually great addition. Poison is the main damage source when fighting bosses, and with a lot of Blades concentrated in a small area it's really effective.

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1. Gameplay

You cast Bladefall and then instantly after - Blade Blast, the Blades explode dealing a massive amount of damage and then you activate Plague Bearer. With Plague Bearer this build plays really smooth, you can stack the maximum amount of charges on it within seconds, and then kill small opponents nearby just like with Righteous Fire. To slain more vital opponents, just use hit them with blades again and again until they're dead. Smoking Mine is going the be used as a movement Skill. You can put Wither Spell on Totems for boss fights, they will quickly reach maximum stacks of Withered debuff making them take 90% more Chaos Damage. Use the Withering step to instantly refresh your Elusiveness with increased effect and apply some Withered stacks - use it mostly defensively.


This video was recorded on a level 94 Assassin on Standard League. It was equipped as a League Starter build so taking down Bosses took some time. Sadly, this build was severely nerfed in Patch 3.15, and pushing it to the end-game would require substantial investments in gear (you can still League Start using it, but somewhere between yellow and red Maps you will start feeling underpowered)


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2. Build's PROS & CONS

PROS
  • one of the best single-target damage
  • clear speed is great as well
  • quite good defense mostly based on Dodge, Evasion, and rapid Life Regeneration
CONS
  • gameplay takes some time to get used to
  • it got nerfed for 3.15 it is still good nonetheless
  • there can be some problems with Mana sustain

 

3. Leveling tips

Leveling process can be quickly done with any Poison Skill. It has to be a Skill that Hits, but not necessarily a Spell, it can be an Attack. What we recommend is Cobra Lash, Caustic Arrow, or Toxic Rain, you can use these until you're able to cast Bladefall with its three mandatory Support Gems - Unleash, Spell Cascade, and Concentrated Effect, you won't be able to use it until level 38. Leveling is pretty straightforward, switch to your final setup as soon as you can, or as soon as your damage will slow you down.

Suggested leveling Gem setups:

Cobra Lash setup
Cobra Lash Cobra Lash - it is a good Skill to get through leveling, it automatically seeks enemies and deals a lot of Chaos Damage
Lesser Multiple Projectiles Support Lesser Multiple Projectiles Support - use this Support Gem to kill enemies faster
Vicious Projectiles Support Vicious Projectiles Support - more Chaos Damage, more Physical Damage, and more DoT for your Projectiles
Void Manipulation Support Void Manipulation Support - more Chaos Damage, but less Elemental Damage, which you're not focused on anyway
Smoke Mine setup
Smoke Mine Smoke Mine - use Smoke Mine to relocate faster and minor utilities like Blinding nearby enemies and granting Movement Speed
Second Wind Support Second Wind Support - allows you to use Smoke Mine more often by storing extra charge
Utility Gems
Malevolence Malevolence - use Malevolence to gain more Damage over Time, that is Poison in this case
Herald of Agony Herald of Agony - This Herald grants more Poison Damage, more Chance to Poison and summons Agony Crawler Minion
Despair Despair - a Curse that you will cast manually, for now. Enemies take more Chaos Damage and Damage over Time, and it increases your damage with Hits
Withering Step Withering Step - Use it to gain Elusive buff, which grants Chance to Dodge and Movement Speed

Bandits:

You should kill all the Bandits and take two more Passive Skill Points

Leveling Skill Trees:

35 Points Skill Tree
Priorities: 1) Trickery 2) Acrobatics Keystones 3) Growth and Decay

71 Points Skill Tree
take the whole Cluster where Atrophy and Force Shaper is and head straight for Wind Dancer Keystone, take Life nodes you come across

Recommended leveling items:

Le Heup of AllLe Heup of All - overall good ring with increases in the stats that matter, such as Damage, Attributes, and Elemental Resistances
(10-30)% increased Damage
+(10-30) to all Attributes
(10-30)% increased Rarity of Items found
+(10-30)% to all Elemental Resistances
 
GoldrimGoldrim - one of the best and most versatile Helmets for leveling, 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 - with Tabula you can instantly 6-link your Skill, increasing the damage and utility of your leveling setup
Item has no level requirement and Energy Shield (Hidden)
Item has 6 White Sockets and is fully linked (Hidden)
 

Mortem MorsuMortem Morsu - it does require level 34, but if you plan to use Claws for Cobra Lash it's one of the best options before switching to Obliteration or Cold Iron Point later on

+20 Life gained for each Enemy hit by Attacks
(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
 
Quill RainQuill Rain - Use Quill Rain if you plan to level with Caustic Arrow or Toxic Rain, it got one of the best stats for an item you can use since level 5
+(10-20) to Dexterity
100% increased Physical Damage
100% increased Attack Speed
+2 Mana gained for each Enemy hit by Attacks
(50-100)% increased Projectile Speed
+(25-50) to Accuracy Rating
30% less Damage
 


4. Final Skill Tree, Ascendancy Points, and Pantheon

Final Skill Tree:

122 Points Final Skill Tree (doesn't show Cluster Jewels)
122 Points Path of Building(PoB) link 

Ascendancy points:

Preferably in that order:

  1. Noxious Strike
  2. Toxic Delivery
  3. Mistwalker
  4. Opportunistic

Pantheon:

Major God: Soul of the Brine King You cannot be Stunned if you've been Stunned or Blocked a Stunning Hit in the past 2 seconds

Minor God: Soul of Garukhan +5% chance to Evade Attack Hits if you've taken a Savage Hit Recently

 

5. Final Gems links

[DPS] Blade Blast setup
Blade Blast Blade Blast - It detonates blades you previously cast with Bladefall, the damage can stack with means that one enemy can be hit with several explosions, each dealing damage. The more Area of Effect increases you have, the bigger chance for the damage to overlap, and that's really good.
Added Chaos Damage Support Added Chaos Damage Support - The best way to add more Chaos Damage to your Hits, which is increased from the passives and gear mods
Deadly Ailments Support Deadly Ailments Support - more damage with Ailments - Poison, in this case, more damage with Hits - meaning more damage with Poison, and more DoT, that is again, more damage with Poison
Void Manipulation Support Void Manipulation Support - this Support Gem increases Chaos Damage but reduces Elemental Damage, but that is fine, this build doesn't deal Elemental Damage
Efficacy Support Efficacy Support - this gem increases the Damage over Time and Skill Effect Duration, resulting in longer-lasting and more powerful Poisons
Unbound Ailments Support Unbound Ailments Support - longer Ailments duration, more DoT, and more damage with Ailments
[UTILITY] Bladefall setup
(to be put in Helmet)
Bladefall Bladefall - Creates blades that are later detonated, the damage here doesn't matter at all, just the number of blades and the speed at with these are placed. More AoE increases the area on which the blades will fall, but the number of blades will stay the same - you don't want that.
Unleash Support Unleash Support - If you don't use the linked Skill for some time, it will gain Seals which you can store up to three of. After you use the Bladefall, it will repeat for each seal, meaning that it will be cast three times.
Spell Cascade Support Spell Cascade Support - Bladefall Spell will be repeated in front and in the back of the original location resulting in more blades
Faster Casting Support Faster Casting Support - by casting faster the Spell, you create more blades
  Support Gem as a Helmet mod
Concentrated Effect Support Concentrated Effect Support - it can be exclusively found in Elder-influenced Helmets and it's mandatory, so if you don't have it yet as a mod, use it as Support Gem instead of Faster Casting
[UTILITY] Plague Bearer and Withering Step setup
Plague Bearer Plague Bearer - Plague Bearer is actually one of the main Spells used to deal with smaller mobs that can be killed with ease. It deals Damage automatically to surrounding enemies so it's really useful.
Withering Step Withering Step - Refreshes your Elusive buff with increased effect, granting you more Chance to Dodge Hits and Movement Speed. It also applies a few stacks of Withered debuff.
Empower Support Empower Support - increases the Plague Bearer damage by a lot since it scales really well with Gem Level, remove it for better Mana sustain
Increased Area of Effect Support Increased Area of Effect Support - Plague Bearer cover much more area with is important for a map-clearing tool
[UTILITY] Herald and Auras setup
Herald of Agony Herald of Agony - Herald Skill that causes you to deal more Physical Damage, Poison Damage and summons useful Agony Crawler Minion
Malevolence Malevolence - Aura Spell that grants more Damage Over Time and increases Skill Effect Duration making it the most beneficial Aura
Clarity  Clarity - Use Clarity for more Mana regeneration or Summon Skitterbots Summon Skitterbots instead. It will cause some mana issues so it's a bit problematic but possible.
Enlighten Support Enlighten Support - linked Gems that reserve Mana reserves less of it with this Support Gem
[UTILITY] Wither setup
Wither Wither - Use for tough opponents. It's a Channeling Spell that causes enemies to take more Chaos Damage by applying a debuff on them, it's really powerful.
Spell Totem Support Spell Totem Support - You don't want to be Channeling Wither, you have other Spells to cast. Use Totem to cast it for you.
Multiple Totems Support Multiple Totems Support - More Totems will stack the debuff much faster
   
[MOBILITY] Smoke Mine setup
Smoke Mine Smoke Mine - Smoke Mine is one of the best Movement Skills, it's really fast, it increases your Movement Speed, and it blinds enemies
Lifetap Support Lifetap Support - for better mana sustainability use Lifetap, you will spend Life instead of Mana on Smoke Mine
Second Wind Support Second Wind Support - allows you to use Smoke Mine two times in a row bypassing its cooldown, optional addition, it will increase the skill Life cost so you can play without it


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5. Gear Setup

Below you will find all the recommended and required gear for this build. The most important stats to increase your Damage are Poison Damage, Chaos Damage, Critical Strike Chance, and Damage over Time. For defense just look For Maximum Life and cap your Elemental Resistances by any means necessary. The build is really cheap and it shares a lot of useful mods with some of the most popular builds - Toxic Rain or Essence Drain/Blight, so gearing up might be even cheaper due to the abundance of good items in the market. You will need around 100 Strenght and 200 Intelligence, it's not hard to get but requires some effort.

Our recommended items will:

  1. Cap your resistances 
  2. Give you enough DPS/Life to start mapping successfully

Stat priorities on items:

  1. Life
  2. Elemental Resistances
  3. Poison Damage - that includes mods that'd increase it
  4. Critical Strike Chance
  5. Physical Damage
  6. Cast Speed
Helmet(Helmet) Rare Helmet - Besides decent Maximum Life and Elemental Resistances it is crucial to have "Socketed Gems are Supported by Level # Concentrated Effect", this saves you an extra Support Gem Slot that can be very useful. Later on, look for the optional affixes such as Added Damage to Spells and lower Chaos Resistance of your opponents.
Min. requirements:
70 maximum Life
70% Total Elemental Resistances
Socketed Gems are Supported by Level # Concentrated Effect
Optional affixes:
Adds Physical Damage to Spells
Adds Physical Chaos to Spells
Nearby Enemies have -#% to Chaos Resistance
Helmet enchantments:
Bladefall has an additional Volley
Blade Blast has 24% increased Area of Effect
Blade Blast deals 40% increased Damage
Blade Blast detonates other Lingering Blades within an 75% increased Area
Obliteration(Weapon) Obliteration - The most commonly used weapon. It has a high Crit Chance and each of the mods here is extremely useful, including the Explosion of enemies on death - it really improves the clear speed.
(31-35)% increased Spell Damage
Adds (25-50) to (85-125) Physical Damage
(26-32)% increased Critical Strike Chance
Gain (13-15)% of Physical Damage as Extra Chaos Damage
Enemies you Kill have a 20% chance to Explode, dealing a quarter of their maximum Life as Chaos Damage
Carcass Jack(Body Armour) Carcass Jack - Area of Effect and decent Life mods are perfect for this build, the additional mods are useful as well. It'd be really hard to find a Rare Body Armour that can compete with this one.
(120-150)% increased Evasion and Energy Shield
+(50-70) to maximum Life
+(9-12)% to all Elemental Resistances
(40-50)% increased Area of Effect
(40-50)% increased Area Damage
Extra gore
Atziri's Step(Boots) Atziri's Step - Chance to Dodge Spell Hits is what makes this pair of Boots really stand out. Evasion Rating, Maximum Life, and Movement Speed are also great additions.
180% increased Evasion Rating
+(55-75) to maximum Life
30% increased Movement Speed
(14-16)% chance to Dodge Spell Hits
Rare Gloves(Gloves) Rare Gloves - High Roll on Maximum Life and Elemental Resistances are a priority, if you're satisfied with the defenses, look for a mod or two that will increase your Poison Damage. Apothecary's Gloves is a base that increases Damage over Time so it's the one you will probably end up using.
Min. requirements:
80 maximum Life
80% Total Elemental Resistances
Optional affixes:
Critical Strike Chance
increased Duration of Ailments on Enemies
Adds Physical Damage against Poisoned Enemies
+#% to Chaos Damage over Time Multiplier
Rare Belt (Belt) Rare Belt - it's the same case as with Gloves, you should aspire to gain as much defensive stats as your budget allows you for - mostly Life and Elemental Resistances. There are only a handful of offensive mods, such as increased Chaos Damage.
Min. requirements:
100 maximum Life
100% Total Elemental Resistances
Optional affixes:
increased Cast Speed during any Flask Effect
increased Chaos Damage
maximum Life %
Ungil's Harmony(Amulet) Ungil's Harmony - the increase in Critical Strike Chance is too big to ignore, despite being unable to deal extra Damage with Critical Strikes it's still a good deal due to Toxic Delivery and Perfect Agony
+(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:
Dire Torment
Ring(Ring) Rare Ring - Use Iolite Ring for more Chaos Damage, Two-stone Ring for more Elemental Resistance, or Vermilion Ring for more maximum Life. It's obligatory to have "Curse Enemies with Despair on Hit, with #% increased Effect" mod, as it's the one that increases your Poison Damage. It's a good place to look for more Maximum Life, Elemental Resistances, Attributes, or some offensive mods.
Min. requirements:
60 to Maximum Life
Curse Enemies with Despair on Hit, with #% increased Effect
Optional affixes:
Elemental Resistances
Intelligence
Strenght
Accuracy Rating
Critical Strike Chance
increased Poison Duration
increased Damage with Poison
Cobalt Jewel(Jewel) Rare Jewels - Jewels offers a lot of mods that'd increase your Poison Damage, and getting three of them and maximum Life can be quite expensive. There is a mod that you can get by corrupting Jewels that grants you immunity to Corrupted Blood which is useful.
Recommended affixes:
increased Chaos Damage
increased Damage over Time
increased Chaos Damage over Time Multiplier
increased Critical Strike Chance for Spells
increased maximum Life
Elemental Resistances
increased Damage with Poison
watcher's eye(Jewel) Watcher's Eye - Malevolence mod that grants increased Damage over Time Multiplier is the only one you should look for
(4-6)% increased maximum Energy Shield
(4-6)% increased maximum Life
(4-6)% increased maximum Mana
<Two or Three random aura modifiers>
Large Cluster Jewel(Jewel) Large Cluster Jewel - this build works just fine without Cluster Jewels, but they do offer a lot of great options to choose from, especially Chaos Damage bases
Recommended affixes:
1 Added Passive Skill is Grim Oath
1 Added Passive Skill is Overwhelming Malice
1 Added Passive Skill is Unwaveringly Evil
1 Added Passive Skill is Unholy Grace
Medium Cluster Jewel(Jewel) Medium Cluster Jewel - Chaos Damage over Time base is the one you should strive for, for it offers the best Notables,  Hemorrhage being an especially good one.
Recommended affixes:
1 Added Passive Skill is Eternal Suffering
1 Added Passive Skill is Haemorrhage
1 Added Passive Skill is Circling Oblivion
Atziri's Promise(Flask) Atziri's Promise - gives you some Chaos Resistance as well as a huge boost to your Damage by adding extra Choas Damage
+35% to Chaos Resistance
2% of Chaos Damage Leeched as Life during Flask effect
Gain (5-8)% of Physical Damage as Extra Chaos Damage during effect
Gain (5-8)% of Elemental Damage as Extra Chaos Damage during effect
Bottled Faith(Flask) Bottled Faith - more Critical Strike Chance, more Damage and Consecrated Ground makes this Flask one of the best for this build
(30-50)% increased Duration
(20-40)% increased Duration
Consecrated Ground created by this Flask has Tripled Radius
+(1.0-2.0)% to Critical Strike Chance against Enemies on Consecrated Ground during Effect
(100-150)% increased Critical Strike Chance against Enemies on Consecrated Ground during Effect
Consecrated Ground created during Effect applies (7-10)% increased Damage taken to Enemies
Coralito's Signature(Flask) Coralito's Signature - despite some changes, it is still a good Flask if you manage to have at least 20-ish% Chaos Resistance to sustain the damage
Take 30 Chaos Damage per Second during Flask effect
Take (200-300) Chaos Damage per Second during Flask effect
25% chance to Poison on Hit during Flask effect
Your Critical Strikes do not deal extra Damage during Flask effect
(50-75)% increased Duration of Poisons you inflict during Flask effect
Grants Perfect Agony during Flask effect
Poisons you inflict with Critical Strikes have +(20-30)% to Damage over Time Multiplier

Other suggested Flasks:

  1. Experimenter's Quartz Flask of Staunching (immunity to Bleeding)
  2. Enduring Eternal Mana Flask of Warding (Curse immunity)
Atziri's PromiseBottled FaithCoralito's SignatureMana FlaskLife Flask


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