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Bone Spear – Necromancer Build for Diablo 4 (Season 8)

Destroy enemies with brutal Bone Spear hits!

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GhazzyTV

WRITER

Minion Overlord


Updated: S-Tier Build

Bone SpearBone PrisonSoulriftBlood MistCorpse TendrilsBlight


Build Introduction

This guide is a collaboration between GhazzyTV and community member Garm Z. The Blood Spear build is expected to be top-performing Bone SpearBone Spear build in Season 8 by acquiring Blood and Overpower scaling via Indira's MemoryIndira’s Memory. High risk of spending life on casting and careful positioning to hit targets only inside Bone PrisonBone Prison – is paid off by highest damage per second output.

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Strengths and Weaknesses

Strengths
  • Incredible damage output
  • Fast and comfortable with proper gear
  • Expected to be the best performing Necromancer build
Weaknesses
  • Bone Spears costs life unless you hit an enemy within Bone Prison
  • Playstyle is very important to execute correctly

Build Requirements

Required Uniques

Quick Navigation

Want to skip ahead? Use the table below to jump to the sections you are looking for.

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

Skill Bar and Skill Tree Points

Suggested Skill Bar
BlightBlightBone PrisonBone PrisonBlood MistBlood MistBone SpearBone SpearCorpse TendrilsCorpse TendrilsSoulriftSoulrift

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


Necromancer Class Mechanic – Book of the Dead

We will be sacrificing all our minions. Below you’ll find the details covering all aspects of how we utilize the Book of the Dead for the Bone Spear Necromancer.

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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
HelmTamTam + WatWatDeathless VisageDeathless VisageBone Spears deal x% more Critical Strike Damage and forms echoes that bursts for X Physical Damage, increased by x5% for every 25% of your total Critical Strike Damage bonus.
ChestRoyal TopazRoyal TopazAspect of Hardened BonesAspect of Hardened BonesYou gain 15-20% increased Damage Reduction.
Glovesn/aAspect of SerrationAspect of SerrationThe Ossified Essence Key Passive also increase the Critical Strike Damage of your Bone Skills by 1%x per Essence above 50, up to 38-60%x.
PantsRoyal TopazRoyal TopazIndira's MemoryIndira’s MemoryTurns your Bone Spears into Blood Spears by consuming a corpse and draining 10% of your Maximum Life on hit.
Bootsn/aPath of Trag'OulPath of Trag’OulMakes your Bone Prison trap enemies in a larger area and fires X Bone Splinters at enemies trapped within. It also increase your Maximum Essence by 2 for 10 seconds each time these Bone Splinters hit an enemy.
Weapon 2H (Mace)CirCir + VexVexAspect of Grasping VeinsAspect of Grasping VeinsGain 10-20% increased Critical Strike Chance for 6 seconds when you cast Corpse Tendrils. You deal 20-40% bonus Critical Strike Damage to enemies damaged by Corpse Tendrils.
Amulet (50% Scaling)Royal SkullRoyal SkullAspect of the Dark DanceAspect of the Dark DanceEvery 5 seconds, your next Core Skill costs X Life instead of Primary Resource. Will only occur if you have at least 60% of your Maximum Life.
RingRoyal SkullRoyal SkullBone Duster's AspectBone Duster’s AspectBone Spear is guaranteed to Overpower enemies within Bone Prison and deals x#% increased damage to them.
RingRoyal SkullRoyal SkullSacrificial AspectSacrificial AspectYour Sacrifice bonuses are increased by #%.

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
HelmetDeathless VisageDeathless Visage
* 1. + Ranks to Bone Spear
n/a
Chest1. Essence per Second
* 2. Maximum Life
3. Intelligence
Decay InnovationDecay Innovation #% Soulrift Duration
Worldly EnduranceWorldly Endurance # Maximum Life
Gloves* 1. Ranks to Bone Spear
2. Critical Strike Chance
3. Maximum Life
Blood FinesseBlood Finesse #% Blood Attack Speed
Profane InnovationProfane Innovation #% Corpse Tendril Size
PantsIndira's MemoryIndira’s Memory
* 1. Maximum Life
n/a
BootsPath of Trag'OulPath of Trag’Oul
* 1. + Ranks to Bone Skills
n/a
Amulet* 1. + Ranks to Tides of Blood
2. Intelligence
3. Critical Strike Chance
Note: With high endgame gear you can replace Critical Strike Chance for + Ranks to Coalesced Blood.
Blood FinesseBlood Finesse #% Blood Attack Speed
Necromancer EfficiencyNecromancer Efficiency #% Ultimate Cooldown Reduction
Ring* 1. Attack Speed
2. Maximum Life
3. Intelligence
Blood FinesseBlood Finesse #% Blood Attack Speed
Necromancer EfficiencyNecromancer Efficiency #% Ultimate Cooldown Reduction
Ring* 1. Attack Speed
2. Maximum Life
3. Intelligence
Blood FinesseBlood Finesse #% Blood Attack Speed
Necromancer EfficiencyNecromancer Efficiency + Ranks to Rapid Ossification
2H-Weapon (Mace)* 1. Maximum Life
2. Intelligence
3. Lucky Hit: Up to a 15% Chance to Restore +#% Primary Resource
Bone AugmentsBone Augments #% Chance for Bone Spear Projectiles to Cast Twice
Blood FinesseBlood Finesse #% Blood Attack Speed

Keep in mind that the maximum Resistance is 70% by default for each element and can be increased to 85% by various sources.

Make sure to achieve and maintain armor cap of 1,000 as soon as possible! For that purpose helm or chest temporary tempering can be Total Armor %.

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Uniques and Uber Uniques

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

Uniques

  • Deathless VisageDeathless Visage – Provides better Critical Strike Damage and echoes your Bone Spears to deal extra damage. You can target farm this from Lord Varshan.
  • Indira's MemoryIndira’s Memory – Turns your Bone Spears in to Blood Spears allowing us to scale the build to crazy levels. You can target farm this from Beast in the Ice.
  • Path of Trag'OulPath of Trag’Oul – Turns our Bone Prison in to an powerhouse of scaling by dealing extra damage and increases our Max Essence for even more damage output. You can target farm this from Grigoire’s Lair.

Mythic Uniques

  • Shroud of False DeathShroud of False Death – This can straight up replace your current body armor and would scale your damage significantly. Greater Affix and Masterworking priority on this item will be Maximum Life and/or All Stats.

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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 below.Recommended Runewords then Royal TopazRoyal Topaz
For increased Intelligence.
Royal SkullRoyal Skull till your armor is capped at 1000 then we use Royal DiamondRoyal Diamond.

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

Runeword CombinationEffect
TamTam + WatWatGain 25 Offering by casting a non-Channeled Core Skill.
For 100 Offering you can Overflow increasing duration with a 1 second cooldown to invoke the Necromancer’s Horrid Decrepify, Slowing enemies, reducing their damage, and letting you Execute them.
CirCir + VexVexGain 300 Offering from casting 5 Skills then become exhausted for 3 seconds.
For 100 Offering you can Overflow for more skills up to 3 with a 5 second cooldown, gain +1 to Skills for 10 seconds.

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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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Boss Powers (Season 8)

The newly added seasonal mechanic lets us power our builds up by using abilities from endgame bosses themselves! Below you’ll find the recommended list for this build.

Main Boss Power:

Modifier Boss Powers:


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 Varyana, utilizing her Bloodthirst skill being cast when the player casts Bone Spear.

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Build Mechanics

Rotation and Playstyle

The build requires a very specific playstyle to function. It’s extremely important that you only cast your Blood Bone SpearBone Spear on enemies within a Bone PrisonBone Prison to guarantee Overpower or you will drain your own life. Make sure you throw a BlightBlight inside your Bone PrisonBone Prison to further increase damage output.

To help boost your damage and efficiency, keep up the DecrepifyDecrepify curse manually, unless you have TamTam + WatWat which will automate it for you.

Blood MistBlood Mist will be used as a panic button and Corpse TendrilsCorpse Tendrils is utilized to group enemies together inside your Bone PrisonBone Prison for easier bursting of enemy packs, as well as crowd controlling the enemies.

Which Elixirs Should You Use?

Visit the Alchemist and craft an Elixir providing any Resistance you need most, or the Elixir of Fortitude IIElixir of Fortitude II to increase Maximum Life a cheaper option would be the Elixir of Destruction IIElixir of Destruction II which scales Overpower and Vulnerable damage. If you are struggling with Essence you can always use Elixir of Resourcefulness IIElixir of Resourcefulness II to help. 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 8 Updates

For a full overview of what is new in Season 8, please take a look at our comprehensive season hub.

Here is a quick overview of seasonal changes relevant to this build:

  • Major bug fixes with Indira's MemoryIndira’s Memory making it more comfortable to use.
  • Minor bug fixes and buffs but nothing major outside of the Indira’s Memory fix.

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

  • April 26th, 2025: Guide updated for Season 8.
  • February 12th, 2025: Minor adjustments and clarifications.
  • January 19th, 2025: Guide updated for Season 7.
  • October 12th, 2024: New Paragon tool added.
  • October 7th, 2024: Paragon board added.
  • October 2nd, 2024: Guide updated for Season 6.
  • August 5th, 2024: Guide updated for Season 5, Infernal Hordes.
  • May 23rd, 2024: Finalized tempering modifiers.
  • May 16th, 2024: Gem updates.
  • May 10th, 2024: Guide updated for Season 4 Loot Reborn.
  • January 22nd, 2024: Guide updated for Season 3 Season of the Construct.
  • October 15th, 2023: Updated guide for the 1.2 patch.
  • August 7th, 2023: Minor updates for the 1.1.1 patch.
  • August 5th, 2023: Guide updated for patch 1.1.1 (launches on August 8th).
  • July 26th, 2023: Optimized gear affix list.
  • July 19th, 2023: Guide updated for Season 1 including Malignant Hearts.
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