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Shadowblight Necromancer Endgame Build Guide

Season 9 - Sins of the HoradrimEndgame

Last Updated:June 30, 2025|Changelog|FAQ

The Shadowblight Necromancer Endgame Guide is a brand new addition in Season 9. With changes to the base damage and core aspects for this Key Passive, you can finally shred enemies with constant Shadow Damage procs!

Shadowblight is an interesting effect which requires you to overlap as many small damage instances as you can to trigger it. Every 8th instance of Shadow Damage causes the target to take a large amount of Shadow Damage which can Critically Strike. Stacking additional Shadow Additive Damage double dips, because it also adds a new multiplier to Shadowblight's proc.

This build is also great for early progressions since it doesn't require any Unique items to start, and many of its best Legendary Aspects are found in the Codex of Power. Finding stronger Aspects from random drops only pushes the build even further!

Finding ways to stack as many damage instances as possible becomes the name of the game, as well as doing all of that damage to as many simultaneous targets as you can. A combination of Blighted Corpse Explosion and Blight with Ebonpiercer do the trick. The best part being that the damage you deal to trigger this effect, is inconsequential. So you're looking for quantity over quality.

Build Requirements:

  • Ebonpiercer bolts have an interesting ability to trigger Hewed Flesh when they normally shouldn't. This helps to make enough Corpses for Blighted Corpse Explosion uptime.
Shadowblight Necromancer Setup
Note

This build guide assumes you have a Level 60 Character and unlocked Torment 1. To get there, level up with one of our Necromancer Leveling Guides. See how this Build compares against others with our various Build Tier Lists.

Season Theme

Season 9 - Sins of the Horadrim
Blight Necromancer

The Season 9 theme is the Sins of the Horadrim. This season allows you to craft unique Horadric Spells using three different components: a Catalyst, an Infusion, and three Arcana. You earn Catalysts and Infusions through the Seasonal Questline, and Arcana can be found while exploring Nightmare Dungeons. You choose a Skill as the trigger for your Horadric Spell. Once in Torment I or higher, Horadric Jewels can be crafted which replace the Gems in your Jewelry, that add additional power to your build.

Endgame Horadric Spell

Catalyst

Astral Pillar continuously hits every enemy within range, Taunting them, applying Vulnerable and dealing Shadow Damage for Shadowblight.

Infusion

Nebulous Extract reduces incoming damage, applies the Shadow Damage tag to your Catalyst and deactivates Summoner effects on Elites.

Arcana

  • Bloody Charm executes non-boss enemies who reach 20% remaining Life.
  • Tranquil Stone grants Unstoppable with near 100% uptime.
  • Fractured Core removes Damage Resistance Auras from those pesky enemies in the Pit.
Shadowblight Necromancer Endgame Horadric Spell

Optional Arcana

  • Sapping Crux - Good source of Vulnerable if you have difficulty maintaining uptime.

Best-in-Slot Horadric Jewels

  • Idol From Below - Offers a terrific stat line and periodically spawns Elites for additional Pit progression.
  • Scornful Light - Increases your Shadow Damage dealt, by increasing incoming Elemental damage. Consider skipping this on early Hardcore characters.
  • Elemental Brand - Adds additional Shadow Damage instances to further boost your proc rate of Shadowblight.

Learn more details about the season theme in our full Season Guide.

Skills & Gameplay

Season 9 - Sins of the Horadrim
Blight Necromancer
  • Reap generates Corpses, grants Damage Reduction and Attack Speed when used on enemies. Weave this into your skill rotation every few seconds.
  • Blight deals a small amount of initial damage then leaves behind a pool of defiled AoE damage that stacks on top of any enemies within range.
  • Corpse Explosion stacks Shadow Damage over Time on every enemy within its area. This also activates multiple damage multipliers for the build.
  • Corpse Tendrils Slows, Stuns, makes Blood Orbs and pulls every monster (except Bosses) into a single space so that all of your AoE damage becomes more effective.
  • Soulrift generates Essence, applies Vulnerable and grants a Damage buff over its duration. Cast this whenever it's available.
  • Decrepify Slows, reduces incoming damage, Stuns and reduces your Cooldowns via Lucky Hit mechanics. Cursed Aura automatically spreads this AND Iron Maiden onto monsters within range.
  • Blood Mist is your source of Unstoppable, as well as an amazing survivability tool in the early game. It's replaced by Bone Prison for an additional damage scaler, in the endgame.
  • Sever is used as a mobility skill with the addition of the Aspect Inexorable Reaper's.
Shadowblight Necromancer Skill Tree

Skill Rotation

  • Engage on enemies with Reap to make your first Corpse, as well as gaining some much needed Damage Reduction. This approach brings enemies into the radius of your Cursed Aura, which automatically applies Decrepify and Iron Maiden.
    • If you don't have Cursed Aura yet, keep Decrepify on your Skillbar and engage packs of enemies by casting this first.
  • Immediately cast Corpse Tendrils on the first Corpse generated to Crowd Control everything. This helps to reduce incoming damage and allows you to maximize your DPS windows.
  • Once everything is pulled in tightly, cast Bone Prison directly on top. This increases your damage against everyone that was in its area and helps to keep everything corralled. Bone Prison can even intercept many Shadow Boss projectiles when fighting Pit bosses, to help keep you safe.
  • Begin casting Blight into the pack where your extra projectiles from Ebonpiercer can shotgun and pierce through the maximum number of targets. While continuously casting this Skill, clicking any other Skill's button will "weave" it into your rotation. This is known of Skill Buffering and helps to reduce the total animation length of your attacks. This is a great way to cast Corpse Explosion at high rates when you're first generating Corpses.
  • Once there's a large amount of Corpses on the ground, cast Corpse Explosion until you begin running out. Rinse and repeat swapping between Corpse Explosion and Blight.
  • Whenever it's off Cooldown AND you're engaging a monster pack, use Soulrift. It's only effective as long as enemies are within range, so don't be afraid to stay in close and personal!
  • Stagger-stepping through the pack of enemies to pick up any Blood Orbs helps to maintain your bonuses from the Paragon Board. Maintaining the buff only requires you to pick one up before five seconds has elapsed.
  • IF YOU'RE STILL USING IT: When in doubt Blood Mist out! Reposition and end the Mist early by clicking the Skill again, once you're ready to re-engage. A great tactic is to generate a Corpse during this time then immediately cast Corpse Tendrils on it for more safety.

Book of the Dead

The Shadowblight Necromancer sacrifices Reaper Warriors for Shadow Damage, Cold Mages for Vulnerable Damage and the Iron Golem for Critical Strike Damage.

  • If you're feeling squishy or playing on Hardcore, sacrificing Golems - Blood for Maximum Life and Skeletal Warriors - Defenders for Resistances are great ways to beef up your survivability.
Book of the Dead

Learn more details and how to unlock this system in our full Necromancer Class Overview.

Paragon & Glyphs

Season 9 - Sins of the Horadrim
Shadowblight Necromancer
!
Important

Carefully check your Paragon Boards to ensure correct board rotation. Glyphs go from a radius of 3 to 4 at level 15 and from 4 to 5 at level 46. Some of them cannot be activated before reaching these thresholds! Progress through The Pit to rank up your Glyphs.

Use the slider to see the progression steps. At around Paragon 200, leveling slows down significantly and all important Rare clusters, Legendary nodes and Glyph sockets should be unlocked. Afterwards, you can min/max your build with minor tweaks and by picking up additional smaller nodes.

Blight Necromancer Paragon Boards
Tip

Some Glyph position swaps, board changes and other pathing adjustments may occur as you unlock your full potential. The setup displayed by default is the final version of the build before spending additional points that do not significantly impact your character's power.

Glyph Leveling Priorities

To Level 15

  1. Abyssal
  2. Sacrificial
  3. Amplify
  4. Essence
  5. Exploit

To Level 46

  1. Essence
  2. Exploit
  3. Abyssal
  4. Sacrificial
  5. Amplify

Learn more details about the Paragon System in our in-depth Paragon Boards and Glyphs guide.

Runes

Season 9 - Sins of the Horadrim
Blight Necromancer

You can have up to two Runewords in your setup, each consisting of one Ritual and one Invocation Rune. Socket them in Two-Handed Weapons if your build calls for them, otherwise place them into your Armor pieces to replace normal gems. The Blight Necromancer focuses on the following combos:

Best in Slot

  • Ahu + Qax - Once enemies fall below 80% max life, the proc rate of Qax allows for overlapping periods of double damage.
  • Igni + Thul - Grants 15% increased damage, applies Vulnerable and a powerful Frozen effect, to enemies hit by the effect.

Alternative choices

If you haven't unlocked the final setup or found the top runes, you can also benefit from these options:

  • Cir + Lum - Helps to "passively" generate Essence during many scenarios where you cannot otherwise generate Resource and helps to reduce you time spent using Generators or alternative systems.
  • Mot for damage reduction, Zec for better Soulrift uptime, and Qua for movement speed are all great options to fit your particular playstyle.

Learn more about Runes and how they work in our dedicated Runewords Overview and Runewords Tier List.

Mercenaries

Season 9 - Sins of the Horadrim
Blight Necromancer

Mercenaries are unlocked during the Vessel of Hatred campaign and assist you in battle. There are 4 separate Mercenaries to choose from, each with their own skill trees. You can have one Hired Mercenary that accompanies you into battle, and one Reinforcement Mercenary that triggers a selected Skill from their Tree based on your Skill use or other conditional event:

Hired: Raheir

Rahier helps to passively increase your Resistances to reach you caps easier, and offers multiple damage scalers from Inspiration.

Reinforcement: Aldkin

Aldkin quickly applies damage procs to trigger Abhorrent Decrepify and reduce your cooldowns, even against a single target.

Learn more about Mercenaries and how they work in our dedicated Mercenaries Overview.

Stat Priorities & Item Progression

Season 9 - Sins of the Horadrim
Blight Necromancer

To enable the Shadowblight Necromancer to perform optimally, hunt for these stats on your gear with good rolls and aim to Temper ⚒️ & Masterwork Crit ↑ them accordingly. The green arrow ↑ indicates which affix is most impactful to Masterwork Crit, and it does not indicate how many Masterwork Crits you need on that particular affix. Keep in mind that certain stats such as Armor, Resistances, Extra Size Tempers, Attack Speed etc. have caps that may affect your priorities according to the items and Paragon points available at that progression step.

Recommended Endgame Stat Thresholds

  • 100% Chance for Blight Projectiles to Cast Twice
  • >75% Attack Speed from Gear and Paragon Nodes
  • >642% Shadow Damage in your Character Stat Sheet
  • Armor Capped 1,000
  • Resistance Capped 75%
  • >14,000 Life
  • 100% Bonus Movement Speed
  • >50% Corpse Tendrils Size
  • >30% Soulrift Duration
  • Lucky Hit: 15% Chance to Restore ~100% Primary Resource on Weapon
Starter
Ancestral
Mythic
Pit Push

Item Progression Goals

Before you dive into the Endgame with the Blight Necromancer, take a look at this overview of the items used in the build. See below for further details about the different progression steps and variants. Some of your Skill Tree choices depend on what Legendary Aspects and Unique items are available to you. Keep in mind that while we can guarantee that everyone has access to the same Codex of Power Aspects, the exact progression is different for everyone.

Starter
Ancestral
Mythic
Pit Push
Starter Shadowblight Necromancer Checklist
Ancestral Shadowblight Necromancer Checklist
Mythic Shadowblight Necromancer Checklist
Pit Push Shadowblight Necromancer Checklist

Learn more details and how to farm Legendary Aspects and Uniques in our General Farming Guide.

Build Variants

Season 9 - Sins of the Horadrim
Blight Necromancer

This section is designed to guide your Shadowblight Necromancer from a fresh level 60 into the very late endgame using the three variants Starter, Ancestral and Mythic. At the final step, you should be fully decked out with a great all-rounder build. From there, follow the other min/max variants if you want to optimize around certain activities such as Pit Pushing, Speedfarming and more.

Starter
Ancestral
Mythic
Speedfarming
Pit Pushing

Begin here if you just made it into Torment 1 or are coming from our Leveling Guide! Since only some Aspects can be guaranteed from Dungeon unlocks for the Codex of Power, focus on acquiring the additional aspects via gambling with Murmuring Obols.

Gear & Skills

Starter Shadowblight Necromancer Gear
Starter Shadowblight Necromancer Skills
  • Early on in your progression, focus on Armor & Resistances to survive. Each Torment difficulty adds a penalty of -250 Armor and -25% all Res and it's recommended to keep both capped (1000 Armor, 70+ Res) at all times. As you unlock higher power gear, masterworking levels and more Paragon points, you naturally scale your character into the higher difficulties and can start replacing some of these rolls with offensive or utility stats. Disobedience helps with this.
  • If you find a Slow 2-Handed Weapon (Mace, Scythe) with great stats on it, don't be afraid to use it until you find a good 2-Handed Axe. The Slower attack speed makes Essence Management easier and you hit harder each time.
  • Reaching 100% Critical Strike Chance and a high value for Shadow Damage are your biggest concerns. Early on, + Skill Ranks to Corpse Explosion can help with damage output.
  • If you do not have Cursed Aura yet, make sure to keep Decrepify on your Skill bar.
  • Cooldown Reduction on your Helmet helps with better uptime of Grasping Veins as well as Soulrift. Try to time your damage bursts during these timers and focus on resetting their cooldown with Decrepify whenever possible. Dont cast Soulrift until you have to, so it's up during dangerous combat scenarios.
  • Blood Mist adds additional Critical Strike Chance when you come out of Mist, which can help to reach your cap.

The goal here is to progress through the Torment difficulties as you unlock Ancestral Legendaries, Paragon points, Legendary Aspects, Temper mods and the most important Uniques to pilot this build. Some Legendary Aspects are used temporarily to fill slots that may be replaced with more Unique items later on.

Gear & Skills

Ancestral Shadowblight Necromancer Gear
Ancestral Shadowblight Necromancer Skills
  • As you upgrade your gear to Ancestrals with more masterworking levels and reach higher paragon, you can focus more and more on replacing Armor & Resistance rolls with better stats, but ensure to stay capped at 1000 Armor and 70%+ Resistances for the difficulty you're currently in.
  • Ebonpiercer drastically improves your damage output, because the bolts can shotgun and pierce through every target in front of you, as well as adding a great proactive skill to use against single targets.
    • One of the weird side effects of using Ebonpiercer is that the base damage of Blight becomes a bit inconsequential. There's not much to be done about this, it's just a fact.
  • At this point you may have Blood Begets Blood activated in your Paragon Boards. Try to pick up one of the Blood Orbs created by Corpse Tendrils within the 5 second window of the buff to maintain its full stacks.

This is the final version of the build's progression, including all regular Unique items, Mythic Uniques, Legendary Aspects, Temper mods and Masterworking, leaving you with a great all-rounder build for all content in the game. Additional variants use this as a baseline to optimize around certain activities.

Gear & Skills

Mythic Shadowblight Necromancer Gear
Mythic Shadowblight Necromancer Skills
  • Shroud of False Death offers a ridiculous amount of damage and utility. It's by far, the strongest Chest Armor in the game. As an alternative, Tyrael's Might makes it much easier to survive while hitting Resistance caps and movement speed cap.
  • Heir of Perdition adds another damage multiplier that further scales Shadowblight damage. The Critical Strike chance you get from this item and Blood Moon Breeches means you can reprioritize for Attack Speed on your Gloves and Rings.
  • While Mythics can often fully transform a build, they merely empower Shadowblight Necromancer. Remember to recheck Movement Speed cap, Critical Strike Chance and your Armor/Resistances so you're not wasting Greater Affixes of Masterwork Crits on your other gear pieces.

The Speedfarming variant optimizes the build for easy activities like Helltides, Whispers, Nightmare Dungeons and lower Pit Tiers after you have finished the Mythic variant and reached a plateau in your progression.

Gear & Skills

Speedfarming Shadowblight Necromancer Gear
Speedfarming Shadowblight Necromancer Skills
  • Make sure that you're at the Movement Speed capped with Reaper's Pursuit. This is easy to accomplish with the two Mythics the build wants to use.
  • Bac + Jah offer use of the skill Teleport every few seconds to blast even faster.
  • Inexorable Reaper's with Sever on your Skillbar adds a second Teleport like effect.

This setup optimizes the build to push the highest possible Tiers in The Pit after you have finished the Mythic variant and reached a plateau in your progression.

Gear & Skills

Pit Push Shadowblight Necromancer Gear
Pit Push Shadowblight Necromancer Skills
  • When fighting monsters in high tiers of the Pit, remember that after crowd controlling elites for 5 seconds, they become Unstoppable for 8 seconds. This may be the right moment to start kiting them around because your DPS decreases significantly when you're dodging their attacks.
  • This setup is HYPER optimized, meaning that every recommended Greater Affix and Masterwork Crit is tailored to hit the exact caps that are necessary. This allows you to swap more Masterwork Crits to + Ranks on Skills and other damage increases. While you may not see a difference at lower tier content, these changes make the differences between highest possible Pit Tier clears.
  • Adding Bone Prison onto the bar in place of Blood Mist gets you the largest total damage bonus from the skill slot as well as better Crowd Control and a tool to deflect incoming projectiles in the Pit.
  • Make sure to check your Attack Speed so that you don't miss out on a breakpoint, or overcap.
  • This setup requires you to use Elixir of Advantage II, Sage's Whisper, Soothing Spices to be able to reach all of its caps, especially capping its Armor.

Video Guide

Season 9 - Sins of the Horadrim
Blight Necromancer

Coming Soon

FAQ & Mechanics

Season 9 - Sins of the Horadrim
Shadowblight Necromancer

Once a guide is released, many players have questions on why and how we are approaching certain choices. In this section you can find the answers to the questions that have been asked the most.

Mechanics

Summary

Season 9 - Sins of the Horadrim
Shadowblight Necromancer

The Shadowblight Necromancer has returned in Season 9, after largely being forgotten back in Season 1. With the new reworked aspect Blighted and the old faithful Decay, your ability to scale this damage source has gone through the roof. Stack as many Shadow Damage instances as possible on a target and watch the booming Critical Strikes begin to roll in!

In Bocca al Lupo!

Credits

Season 9 - Sins of the Horadrim
Blight Necromancer

Written by MacroBioBoi

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