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Blight DoT – Necromancer Build for Diablo 4 (Season 9)

Crit strike version of Blight!

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GhazzyTV

WRITER

Minion Overlord


Updated: A-Tier Build

BlightReapCorpse TendrilsBone PrisonCorpse ExplosionSoulrift


Build Introduction

This guide is a collaboration between GhazzyTV and community member Garm Z. The Blight DoT build is a very relaxing, well-rounded, and high-performing build for any content, providing many layers of defenses as your enemies die to brutal shadow damage over time.

Have questions or feedback on this guide? Join the livestream and ask me!

Strengths and Weaknesses

Strengths
  • Great season starter
  • Safe & comfortable to play
  • Doesn’t require heavy gear investment or Uniques
Weaknesses
  • Has a unique item requirement to function
  • Lacks single-target damage before you get the unique item

To see how this build compares to the other builds on our site, you can check out our build tier lists.

Build Requirements

Required Uniques

Quick Navigation

BiS Gear, Gems, and RunesParagon Board
Rotation and PlaystyleSeason Updates

Skill Bar and Skill Tree Points

Suggested Skill Bar
BlightBlightReapReapCorpse TendrilsCorpse TendrilsCorpse ExplosionCorpse ExplosionBone PrisonBone PrisonSoulriftSoulrift

Follow the points allocated in the Skill Tree above for the complete 71-point build. The additional 12 skill points are completed using the Renown system.


Necromancer Class Mechanic – Book of the Dead

Since we are focusing entirely on dealing brutal damage with our shadow skills, we have no interest in bothering our minions, so they will all be sacrificed in the name of Lilith.

  • Melee Skeletons: If Resistances < 50% Defenders [Sacrifice] – Resistance to All Elements. If resistances are fine then Reapers [Sacrifice] – Increases our Shadow Damage.
  • Mage Skeletons: Cold [Sacrifice] – Increased damage to Vulnerable.
  • Golem: Blood [Sacrifice] – Increased Maximum Life by x#%.

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Gear, Stats, Gems, and Runes

The following sections cover the important systems that are essential to improving the power of your character in the endgame of Diablo 4.

Legendary Aspects

Each aspect is listed with its matching gear slot. Do your best to keep each aspect in the assigned slot. Additionally, if you are trying to farm a specific item, we recommend using your Obols to target farm them! Other recommendations for Legendary Aspect farming would be to do the Seasonal mechanic and to some extent you can farm them in Helltides as well.

Gear SlotGemsAspect / UniqueLegendary Aspect / Unique Power
HelmIgniIgni + ThulThulWildbolt AspectWildbolt AspectEvery x seconds, Distance enemies are pulled in to you and take x#% increased damage for 3 seconds. This effect cannot occur while you are in Stealth.
ChestRoyal TopazRoyal TopazAspect of Hardened BonesAspect of Hardened BonesYou gain 10-30% increased damage reduction.
GlovesN/AAspect of Plunging DarknessAspect of Plunging DarknessBone Prison is now a Darkness Skill and spawns Blight for 6 seconds. Your Blight deals x#% increased damage while Bone Prison is active.
PantsRoyal TopazRoyal TopazAspect of the Cursed AuraAspect of the Cursed AuraA dark aura surrounds you, inflicting Decrepify and Iron Maiden on enemies who touch it. Curses inflicted this way spread to surrounding targets every 2.5-0.3 seconds and last 4 seconds outside the aura.
BootsN/AAspect of MetamorphosisAspect of MetamorphosisWhen you Evade you turn in to a cloud of bats, becoming Unstoppable for 2.5 seconds. Enemies along your path take X Physical damage and are inflicted with Vampiric Curse. Evade’s Cooldown is increased by x seconds.
Weapon 2H (Axe)AhuAhu + QaxQaxAspect of the DamnedAspect of the DamnedYou and your minions deal x35-55% increased Shadow damage to enemies afflicted by any Curse.
AmuletIdol From BelowIdol From BelowEbonpiercerEbonpiercerBlight also shoots 4 smaller projectiles that pierce enemies and deal X Shadow damage over 3 seconds.
RingScornful LightScornful LightAspect of the Great FeastAspect of the Great FeastWhile you have no active Minions, you deal x#% increased damage, but you lose 7 Essence per second.
RingTyrant BaneTyrant BaneSacrificial AspectSacrificial AspectYour Sacrifice bonuses are increased by x35-55%.

Curious how this build compares to other endgame options? Take a look at our Endgame Build Tier List.

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Stat Priority and Tempering Affixes

Below are the affixes to prioritize on gear. Each line of affixes is listed in order of importance. Tempering Manuals and their recommended affixes are provided in the second column, and the bolded affixes are the most important targets for Masterworking upgrades. The main priority for Greater Affixes are marked with a “*”, secondary would be anything providing Intelligence or Life. Be sure to check our Tempering and Masterworking guides for more details about these topics.

SlotTargeted Gear AffixesTempering Affixes
Helm1. Maximum Life
* 2. Intelligence
3. Cooldown Reduction
Decay InnovationDecay Innovation #% Soulrift Duration
Worldly EnduranceWorldly Endurance # Maximum Life
Chest1. Essence per Second
2. Maximum Life
* 3. Intelligence
Decay InnovationDecay Innovation #% Soulrift Duration
Worldly EnduranceWorldly Endurance # Maximum Life
Gloves1. Intelligence
2. Corruption Damage
* 3. Attack Speed
Shadow FinesseShadow Finesse #% Corruption Damage
Decay InnovationDecay Innovation #% Soulrift Duration
Pants1. Intelligence
2. Maximum Life
* 3. Armor
Worldly EnduranceWorldly Endurance #% Total Armor
Decay InnovationDecay Innovation #% Blight Size
Boots1. Essence per Second
2. Movement Speed
* 3. Intelligence
Necromancer MotionNecromancer Motion #% Movement Speed
Profane InnovationProfane Innovation #% Corpse Tendril Size
AmuletEbonpiercerEbonpiercer
* 1. + Ranks to Reaper’s Pursuit
n/a
Rings (2x)1. Intelligence
2. Corruption Damage
* 3. Attack Speed
Shadow FinesseShadow Finesse #% Corruption Damage
Necromancer EfficiencyNecromancer Efficiency #% Ultimate Cooldown Reduction
2H Weapon (Axe)* 1. Intelligence
2. Maximum Life
3. Lucky Hit: Chance to restore primary resource
Shadow FinesseShadow Finesse #% Corruption Damage
Shadow Augments — DecayShadow Augments — Decay #% Chance for Blight Projectiles to Cast Twice

Keep in mind that the maximum Resistance is 70% by default for each element and can be increased to 85% by various sources. Furthermore, Unique items cannot be tempered, only masterworked!

Make sure to reach the Armor Cap of 1,000.

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Uniques and Mythic Uniques

Below you will find information on Uniques and Mythic Uniques that are useful for this build. Moreover, if you are interested in target farming Mythic Uniques, check out our How to Farm Mythic Uniques guide.

Uniques

Some Mythic Unique items can be absolutely insane, but comes at the cost of removing a Legendary aspect power which we are already very short on. Below is a list of Mythic Uniques you could use though:

  • Heir of PerditionHeir of Perdition – Simple helmet replacement. Greater Affix and Masterworking priority on this item will be the Lucky Hit modifier.
  • Shroud of False DeathShroud of False Death – Simple body armor replacement. Greater Affix and Masterworking priority on this item should be on the all stats or split with the Life modifier.
  • Ring of Starless SkiesRing of Starless Skies – This can replace your Sacrificial ring but would also require you to switch out your boss modifier from Beast in the Ice’s Sleet for Sinerat! Greater Affix and Masterworking priority on this item is the Attack Speed.

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Gems and Runewords

See below for a more detailed explanation of the best Gems to socket into your gear for each category.

Weapon GemsArmor GemsJewelry Gems
Recommended Runewords listed belowRecommended Runewords otherwise Royal TopazRoyal Topaz
For increased Intelligence.
Horadric Jewels as listed further below.

The following Runewords are recommended to be used for this build.

Runeword CombinationEffect
AhuAhu + QaxQaxGain: 15 Offering. Lucky Hit: up to 100% chance against non-Healthy enemies.
Requires: 400 Offering. (Overflow: Further Increased Damage). Cooldown: 1 second. Casting a Skill other than a Basic of Defensive spends all your Primary Resource to increase your damage up to 100% for 1 second.
IgniIgni + :ThulThulGain: 25 Offering. Store offering every 0.3 seconds. Cast a non-Basic Skill to gain the stored offering.
Requires: 300 Offering. (Overflow: Increased Size). Cooldown: 1 second. Invoke the Sorcerer’s Mystical Frost Nova, inflicting Freeze and Vulnerable onto enemies.

CirCir + LumLum is a temporary Runeword that can help with Essence till you’re good without it. This Should be the main Runeword and once Essence is solved we replace it with whichever Runeword you get last as listed above.

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Paragon Board

Below, you’ll find the entire end-game paragon board set-up for this build in detail!

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Horadric Spells and Jewels (Season 9)

In Season 9, we will have access to Horadric Jewels and Horadric Spells, granting some absolutely crazy abilities that we’ll utilize to enhance our build’s power. Below, you’ll find a list of the recommended powers we use for this build.

Horadric Spell

TypePowerDescription
CatalystAstral PillarAstral Pillar + BlightBlightCooldown: 7 seconds. Lucky Hit Chance: 14%. Shape an Ethereal Column that Taunts for x seconds. Piercing waves flow from it and dceal x damage, until you create another one or move too far away.
InfusionNebulous ExtractNebulous ExtractYour Spell Catalyst now deals Shadow and or Corrupting damage. Enemies hit by it deal x% reduced damage for 7 seconds. While equipped, your Shadow Damage Bonus is equal to that of your highest Damage Type Bonus. At Rank 5 it will deactivate enemy monster summoner effects for 5 seconds.
ArcanaBloody CharmBloody CharmYour Catalyst gains a specialized Execute effect for non-Boss enemies with 20% or less Life. Bloody Charm will also execute non-boss enemies with Cosmic Anomaly implosions. Successful executions increase your Attack Speed by 20% for 8 seconds.
ArcanaTranquil StoneTranquil StoneInvoking your Catalyst grants Unstoppable for 5 seconds whenever it activates.
ArcanaFractured CoreFractured CoreYour Catalyst deactivates monster Damage Resistance Aura effects for 5 seconds, but you take 15% more stacking damage for the same time.

Horadric Jewels

Use these Jewels over regular gems in your jewelry slots to further enhance the build:


Mercenaries

During the Vessel of Hatred campaign, you will unlock Mercenaries to assist you. While you can choose freely early on, we recommend Raheir as your main merc, and Varyana as a Reinforcement once you reach endgame.

For the reinforcement, stick with Aldkin, utilizing his Flame Surge skill being cast when the player casts Blight.

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Build Mechanics

Rotation and Playstyle

It’s all about spam! You want to utilize Corpse TendrilsCorpse Tendrils to control enemies, followed by Bone PrisonBone Prison which spawns a BlightBlight for damage output, we further emphasize on our Corruption damage by using Corpse ExplosionCorpse Explosion, this is used to maintain buffs from our Paragon Board and Skill-tree bonuses from consuming corpses.

Enemies will be cursed by DecrepifyDecrepify if you’re close enough to them which is very important, on top of having very high uptime on SoulriftSoulrift, this builds deals a ton of Shadow damage over time. Adding the damage output of both BlightBlight and Corpse ExplosionCorpse Explosion is one thing, but when we couple that with EbonpiercerEbonpiercer things just melt away!

Which Elixirs Should You Use?

Visit the Alchemist and craft an Elixir providing better resources via Elixir of Resourcefulness IIElixir of Resourcefulness II or if that is fine you can go for the Elixir of Fortitude IIElixir of Fortitude II for Maximum life, should you need armor you could always run Elixir of Iron Barbs IIElixir of Iron Barbs II. Some Elixirs cannot be crafted and only drop from things like Helltides or Nightmare Dungeons. Additionally, make sure to keep your health potion upgraded!

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Season 9 Updates

For a full overview of what is new in Season 9, please take a look at our comprehensive season hub. Additionally, Season 9 isn’t changing anything notably for the build outside of providing the new Horadric powers.


Obol Gambling

Obol gambling is a great way to potentially find item upgrades or items missing from your build. Check out the new tool guide from Icy Veins for gambling Obols in the link below.

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Changelog

  • June 29th, 2025: Guide added to the site for Season 9.
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