Horadric Cube — Diablo IV Season 13 Complete Guide

Season 13 — Season of Reckoning

Diablo IV Season 13 launched April 27, 2026 alongside the Lord of Hatred expansion. Unlike previous seasons, Season 13's content comes primarily from the permanent expansion features — no separate seasonal mechanic. The traditional seasonal cycle resumes in Season 14.

Lord of Hatred Expansion

New Class: Warlock

New Class: Paladin

Key Features

New Classes

Warlock — Willpower-based, with Wrath & Dominance resources. Melee, ranged, summoning & demon transformation. Paladin — Strength-based tank/support with divine Oaths, flails & shields.

Horadric Cube

The iconic Cube returns as a permanent crafting station in Temis. Modify gear, transmute items, craft runes, upgrade gems, and perform Transfiguration — the most powerful (and risky) crafting operation.

Talisman & Charms

New Talisman slot holds Charms that provide set bonuses. Convert Uniques into Unique Charms — keeping the power while freeing the gear slot. Set item bonuses return through this system.

Skovos Region

New playable region with its own campaign. Temis serves as the endgame hub for War Plans, crafting, and quick access to activities.

War Plans

Similar to D3 Bounties but deeper. Complete endgame content to progress through a War Plan Skill Tree with 7 refundable points. Auto-generates sigils and teleports you between content.

Echoing Hatred

Wave-based horde mode with infinite scaling. Clear demonic enemies fast enough before the density bar overfills. Varying terrain, enemies, and combat scenarios.

Skill Tree Rework

All 8 classes got massively expanded skill trees. Each active skill has 3 branches with variant choices. Level cap raised to 70. Free for all base game owners.

Quality of Life

Loot Filter for customized drop appearances. Map Overlay. Fishing as a casual activity. Elixirs/Incense removed from seasonal realms. Max item power: 900.

Tuning Prism Categories

Tuning Prisms are consumable crafting items used in the Horadric Cube to target specific affix categories, reducing randomness. Without a prism, the Cube pulls from all affix pools. Obtained from War Plans, Tree of Whispers, and Elite monsters.

⚔ Aggressive
Offensive stats: Weapon Damage, Attack Speed, Crit Chance/Damage, Vulnerable Damage, Elemental Damage Multipliers, Thorns, DoT Multiplier
📖 Adept
Core Stats & Skills: Str/Dex/Int/Will, All Skills, Basic/Core/Defensive/Ultimate Skill Ranks, class-specific skill categories
🛡 Protector's
Defensive stats: Max Life, Life Regen, Life on Hit/Kill, Armor, Damage Reduction, Dodge Chance, Resistance to All Elements
🔮 Chromatic
Individual Resistances: Fire, Cold, Lightning, Poison, Shadow, and Physical Resistance
⚙ Pragmatic
Utility & Mobility: CDR, Lucky Hit, Potion Capacity, Healing Received, Fortify Gen, Movement Speed, Evade Charges
◈ Resourceful
Resource stats: Max Resource, Resource Gen, Cost Reduction, Resource on Kill/Hit, Lucky Hit: Restore Primary Resource
👑 Kullean
Amulet-only: Adds a random Legendary Aspect. Item stays modifiable. Only tradeable prism!
⚡ Entropic
Transfiguration risk mitigation: Removes worst/best outcomes. 100% chance item becomes permanently unmodifiable.

— affixes

⬡ All

⚔ Offensive

🛡 Defensive

⚙ Utility & Mobility

🔮 Resistances

◈ Resource

📖 Skills & Stats

Item Transmutation Recipes

3-to-1 Transmutation

Convert 3 items to 1 new random

3× Same-type items (equipment, talisman, or rune)
+ Primordial Dust (tier varies)

Result: 1 new random item of same type. Useful for recycling mediocre drops.

Recycle Uniques

Reroll Unique affixes

3× Copies of same Unique or Charm
+ Primordial Dust

Result: New rerolled version of that Unique. Essential since affixes are now random.

Upgrade to Legendary

Rare → Legendary

1× Rare item
+ Primordial Dust
+ Tuning Prism (optional, guides power category)

Result: Random Legendary of same type with a random Legendary power.

Upgrade to Unique

Common → Unique

1× Common equipment item
+ Primordial Dust (high tier)
Ancestral Common → Ancestral Unique

Result: Random Unique of same type. Use "Remove Affix" to downgrade items to Common first.

Craft Unique Charm

Unique → Talisman Charm

1× Unique item
+ Horadric Resin
+ Primordial Dust

Result: Unique Charm for Talisman. The Unique's power transfers — frees gear slot! Crucial for endgame builds.

Reroll Set Charm

Different charm, same set

1× Set Charm
+ Horadric Resin

Result: Different Charm from the same Set. Helps complete Set bonuses.

Amalgamation

Upgrade gems, sigils, trophies

Multiple× Same item (gems, dungeon keys, boss trophies)
Creates Horadric & Flawless Horadric gem tiers

Result: Higher-tier version of the item. Essential for weapon gems.

Gear Modification Recipes

Add Affix

Add random affix to gear

1× Normal/Magic/Rare/Legendary gear
+ Primordial Dust
+ Tuning Prism (optional, constrains category)

Result: Adds a random affix. Use a Tuning Prism to target the category you need.

Remove Affix

Strip an affix from gear

1× Magic or Rare item (not Legendary!)
+ Primordial Dust
+ Tuning Prism (specifies which affix to remove)

Result: Removes a random affix. Prism lets you choose precisely which one.

Focused Reroll

Reroll within same category

1× Item with target affix
+ Primordial Dust
+ Tuning Prism (recommended)

Result: Rerolls an affix into a different stat within the same category.

Chaotic Reroll

Reroll affix into any category

1× Item with target affix
+ Primordial Dust
+ Tuning Prism (strongly advised)

Result: Rerolls one affix into any category entirely. Prism targets desired category.

Transfiguration

Add powerful 5th affix — HIGH RISK

1× Legendary/Unique/Mythic gear
+ High-tier Primordial Dust
+ Tuning Prism (Entropic or Kullean for special effects)

Result: Adds a powerful 5th affix (Attack Speed, CDR, Main Stat). ⚠ HIGH RISK of making item permanently unmodifiable!

Reroll Unique Power

Reroll Unique's power affix

1× Ancestral Unique
+ High-tier Primordial Dust

Result: Rerolls the power affix range on Ancestral Uniques to chase max rolls.

Transfiguration Warning: This is the final and riskiest crafting step. Only apply to near-perfect, fully crafted items (socketed, tempered, masterworked). The Entropic Prism reduces risk but guarantees the item becomes permanently unmodifiable. The Kullean Prism (amulet only) adds a Legendary Aspect and keeps the item modifiable.

Recipe Calculator

Recipe Type

Tuning Prism

Item Tier

Primordial Dust Estimator

Dust Source

Runs / Kills

Season 13 Endgame Build Tier List

The meta in Season 13 is shaped by the Lord of Hatred expansion — reworked skill trees, new classes, and the Talisman system. Warlock and Paladin are particularly strong as new additions. Rankings reflect endgame pushing performance (Pit, Torment 10+).

Bosses

Mythics

All Classes

Barbarian

Druid

Necromancer

Rogue

Sorcerer

Spiritborn

Warlock

Paladin

Crafting Materials — Farming Guide

All Horadric Cube recipes require crafting materials. This guide shows every material, where to farm it efficiently, and which recipes need it. Higher Torment levels increase drop rates and quality.

Primordial Dust (7 Tiers)

Raw Primordial Dust

Common

The most basic crafting material. Drops from level 20+ content. Used as fuel in low-tier Cube recipes.

Where to Farm

Elite Monsters — any zone, Level 20+

Helltide Events — steady drops from all enemies

Tree of Whispers — basic cache rewards

Used In

Add Affix (basic)Essence Extract

Coarse Primordial Dust

Common

Slightly higher tier dust. Required for Add Affix recipes. Drops from World Tier 3+ content.

Where to Farm

War Plans — consistent cache rewards (Torment 1+)

Nightmare Dungeons — Tier 10+ guaranteed drops

Elite Monsters — World Tier 3+ zones

Used In

Add AffixImprint Aspect

Refined Primordial Dust

Uncommon

Mid-tier dust used for Focused & Chaotic Reroll recipes. Key material for gear refinement.

Where to Farm

War Plans (Torment 3+) — high yield per run

Undercity — use Bargains for targeted dust drops

Helltide Events — Tortured chests at 150+ cinders

Tip: The Undercity with a Tribute of Ingenuity is the most efficient source for mid-tier dust.

Used In

Focused RerollChaotic Reroll

Volatile Primordial Dust

Rare

High-risk, high-reward dust used exclusively for Transfiguration. Very rare drop — save carefully!

Where to Farm

Torment 5+ Lair Bosses — best per-kill yield

The Pit (Tier 50+) — drops from elite packs

War Plans (Torment 5+) — slower but consistent

Warning: Only use Volatile Dust for Transfiguration on fully Masterworked, near-perfect gear!

Used In

Transfigure Item

Pure Primordial Dust

Rare

Required for Upgrade to Legendary recipe. Turns Rare items into Legendaries with Prism guidance.

Where to Farm

War Plans (Torment 5+) — reliable source

Undercity with Tribute of Ingenuity — targeted farming

Tree of Whispers — Torment 3+ caches

Used In

Upgrade to Legendary

Attuned Primordial Dust

Epic

Used for Unique Power Reroll. Lets you reroll the Unique affix on Ancestral Unique items.

Where to Farm

Lair Bosses (Torment 8+) — best drop rate

The Pit (Tier 80+) — rare drops from elite packs

Belial Ambush Encounters — as bonus reward

Tip: Extremely rare. Farm Torment 8+ Lair Bosses for best chances. Save for BIS Unique rerolls only.

Used In

Unique Power Reroll

Enhanced Primordial Dust

Legendary

The rarest tier of Primordial Dust. Required for Upgrade to Unique and Craft Unique Charm.

Where to Farm

Belial (Exalted Lair Boss) — highest drop rate

Torment 10+ Greater Lair Bosses (Duriel, Andariel)

The Pit (Tier 100+) — extremely rare

Tip: Farm Belial for Enhanced Dust. It's the only reliable source. Save for Unique Charm crafting!

Used In

Upgrade to UniqueCraft Unique Charm

Tuning Prisms

Aggressive Tuning Prism

Offensive

Targets Offensive affixes: Crit Chance, Crit Damage, Attack Speed, Vulnerable Damage, Elemental Damage, Weapon Damage. ⚠ Does NOT include Skill Ranks!

Where to Farm

War Plans (Torment 5+) — best consistent source

Tree of Whispers Caches — random prism type

Elite Monsters (Pit 50+) — rare drops

Used In

Focused RerollChaotic RerollAdd Affix

Adept Tuning Prism

Skills & Stats

Targets Skill Ranks and Core Stats (STR, DEX, INT, WIL, All Stats). This is the one for Skill Ranks — not Aggressive!

Where to Farm

War Plans Caches — most reliable source

Nightmare Dungeons — Torment tier drops

Elite Monsters — World Tier 4+ zones

Used In

Focused RerollAdd AffixChaotic Reroll

Protector's Tuning Prism

Defensive

Targets Defensive affixes: Max Life, Armor, Damage Reduction, Dodge, Block, Fortify, Barrier. Also includes Resistance to All Elements.

Where to Farm

Helltide Chests — high priority loot

War Plans — consistent drops

Pit Tier 30–50 — rare drops

Used In

Focused RerollAdd Affix

Pragmatic Tuning Prism

Utility

Targets Utility & Mobility: CDR, Lucky Hit Chance, Movement Speed, Evade bonuses, Healing Received, Impairment Reduction.

Where to Farm

Lair Bosses — reliable Prism drops on kill

World Events — bonus reward from completions

Whisper Caches — random prism type

Used In

Focused RerollAdd Affix

Resourceful Tuning Prism

Resource

Targets Resource affixes: Max Mana/Fury/Essence/Spirit/Energy/Wrath/Resolve, Resource Gen, Cost Reduction, Resource on Kill/Hit.

Where to Farm

War Plans — most reliable source

Whisper Caches — random but consistent

Undercity — targeted via Bargains

Used In

Focused RerollAdd Affix

Chromatic Tuning Prism

Resistances

Targets individual elemental Resistances only: Fire, Cold, Lightning, Poison, Shadow, Physical. ⚠ "Resist All" is on Protector's!

Where to Farm

War Plans — steady drops

Helltide — random prism from events

Nightmare Dungeons — rare drops

Used In

Focused RerollAdd Affix

Kullean Tuning Prism

Legendary · Tradeable

Amulets only! Used during Transfiguration to add a Legendary Aspect while keeping the item modifiable. The only tradeable Tuning Prism!

Where to Farm

Torment 8+ content — extremely rare world drop

Trade with other players — it's tradeable!

Any endgame activity at Torment 8+ has a chance

Tip: This is the only Prism you can trade! Buy from trade chat if farming is too slow. Only works on Amulets.

Used In

Transfigure (Amulet)

Entropic Tuning Prism

Special · Transfig

Used only during Transfiguration. Removes both the best and worst outcomes, making it safer — but permanently locks the item.

Where to Farm

Torment 5+ content — rare drop from all sources

War Plans (Torment 5+) — slightly increased chance

Undercity — with Tribute of Ingenuity

Warning: Using Entropic Prism guarantees the item becomes permanently unmodifiable. Only use on near-perfect gear!

Used In

Transfigure (Safe Mode)

Other Crafting Materials

Infused Horadric Resin

Special

Essential for Charm crafting and Talisman upgrades. Obtained exclusively by salvaging Talisman Charms and Seals.

Where to Farm

Salvage duplicate/unwanted Talisman Charms at the Cube

Salvage Mythic Seals from Mephisto

Never discard Charms — always salvage them for Resin!

Tip: Never throw away charms! Always salvage duplicates — Horadric Resin is the bottleneck for endgame charm crafting.

Used In

Reroll Set CharmCraft Unique Charm

Resplendent Spark

Mythic

Ultra-rare material for crafting specific Mythic Uniques. Requires 2× Resplendent Sparks + runes at the Blacksmith.

Where to Farm

Season Journey — awards 14 Sparks total across the Season

Salvage any Mythic Unique item — guaranteed 1 Spark

Ultra-rare drop from Torment 10+ bosses

Tip: Season Journey is the guaranteed source. Salvage unwanted Mythics for extra Sparks. Use to craft BIS Mythics at Blacksmith.

Used In

Craft Mythic Unique (2×)

Lair Key

Key Item

Required to open Lair Boss Hoards after defeating them. Initiate Lair Keys for Varshan/Grigoire/Beast, Greater Lair Keys for Duriel/Andariel/Lord Zir.

Where to Farm

Helltide Events — Lair Keys from Tortured chests

War Plans Completion — guaranteed key reward

Nightmare Dungeon Completion — occasional drops

Used For

Initiate Lair BossesGreater Lair Bosses

Betrayer's Husk

Exalted Key

Required to summon Belial, Lord of Lies (Exalted Lair Boss). Requires 2× Betrayer's Husks per fight.

Where to Farm

Belial Ambush Encounters — 100% drop on Torment 5+

Torment World Events — rare random drop

Tip: Ambush Encounters appear randomly in Torment zones. Always engage them when they spawn for Betrayer's Husks!

Used For

Summon Belial (2×)

Escalation Sigil

Special Key

Required to challenge Astaroth in Cerriagar. Used for accessing the new Scosglen endgame boss encounter.

Where to Farm

War Plans (Torment 5+) — reward from specific plans

Helltide Events — rare drop from Living Steel chests

Used For

Summon Astaroth (1×)

Gold

Currency

Used as supplementary cost in many Horadric Cube recipes. Cost scales with item power. Also needed for Tempering and Masterworking.

Where to Farm

Helltide Events — enormous gold income from Cinders

Selling unneeded Legendaries to vendors

War Plans / World Events — passive gold gain

Tips & Strategy — Season 13

Tuning Prism Priority

Aggressive Prisms are the highest priority for DPS builds. Adept Prisms are equally important — Skill Rank stacking is huge in Season 13. Farm from War Plans, Tree of Whispers, and Elite monsters.

Efficient Dust Farming

The Undercity is the best burst source for Primordial Dust, especially with Bargains for targeted drops. War Plans provide steady income. Don't waste high-tier dust on pre-Torment gear.

Crafting Order

Always follow this order: 1. Socket → 2. Add/Reroll Affixes → 3. Imprint Aspect → 4. Temper → 5. Masterwork → 6. Transfigure (last!). Transfiguration is the final step — never do it early.

Unique Charm Strategy

Converting Uniques to Talisman Charms is the most powerful endgame optimization. Keep the Unique's power while freeing the gear slot for a Legendary with better affixes. Prioritize build-defining Uniques.

Common Mistakes

Don't use Aggressive Prism for Skill Ranks — use Adept instead. Don't Transfigure items that aren't fully masterworked. Don't waste Kullean Prisms on non-amulet items (they only work on amulets!).

Mythic Farming

Belial has the highest Mythic drop rate. Torment 10 is the efficiency sweet spot. You can also craft a specific Mythic with 2× Resplendent Sparks + runes at the Blacksmith. Season Journey awards 14 Resplendent Sparks.

Tuning Prism Sources

Aggressive Prism
War Plans (Torment 5+)
Elite Monsters (Pit 50+)
Tree of Whispers Caches
Adept Prism
War Plans Caches
Nightmare Dungeons
Elite Monsters
Protector's Prism
Helltide Chests
War Plans
Pit Tier 30–50
Pragmatic Prism
Lair Bosses
World Events
Whisper Caches
Resourceful Prism
War Plans
Whisper Caches
Undercity
Chromatic Prism
War Plans
Helltide
Nightmare Dungeons
Kullean Prism
Rare drop from Torment 8+ content
Tradeable (the only one!)
Amulets only
Entropic Prism
Rare drop from Torment 5+ content
Transfiguration only
Reduces risk but locks item

Frequently Asked Questions

How do I unlock the Horadric Cube in Season 13?

Complete the Lord of Hatred campaign in the Skovos region. The Cube then becomes a permanent crafting station in Temis (the endgame hub). Unlock is account-wide — once one character unlocks it, all characters can access it.

What's the difference between Focused Reroll and Chaotic Reroll?

Focused Reroll changes an affix into a different stat within the same category (e.g., Crit Chance → Attack Speed, both Offensive). Chaotic Reroll changes an affix into any category entirely — more random but more flexible. Always use a Tuning Prism with Chaotic Reroll to target your desired outcome.

What are the Tuning Prism categories?

There are 8 types: Aggressive (Offensive damage stats), Adept (Core Stats & Skill Ranks), Protector's (Defensive — Max Life, Armor, DR), Chromatic (individual elemental Resistances), Pragmatic (Utility & Mobility — CDR, Lucky Hit, Movement Speed), Resourceful (Resource management), Kullean (amulet-only Legendary Aspect — tradeable!), and Entropic (Transfiguration risk reducer).

Why are Skill Ranks NOT on the Aggressive Prism?

This is the #1 mistake new players make! Skill Ranks and Core Stats are on the Adept Prism, not the Aggressive Prism. Aggressive only covers direct damage multipliers (Crit, Attack Speed, Weapon Damage, Elemental Damage). If you want +Skills, always use Adept.

What is Transfiguration and why is it risky?

Transfiguration adds a powerful 5th affix (like Attack Speed, CDR, or Main Stat) to Legendary, Unique, or Mythic gear. However, it carries a high risk of making the item permanently unmodifiable. The Entropic Prism removes worst/best outcomes but guarantees lock. The Kullean Prism (amulets only) adds a Legendary Aspect and keeps the item modifiable. Only transfigure near-perfect, fully crafted items.

Can I use the Horadric Cube on Unique or Mythic items?

Yes! In Season 13, Uniques can be Tempered, Masterworked, and modified via the Cube. Unique affixes are now randomly generated, so the "Recycle Uniques" recipe (3 copies → 1 rerolled) is essential. You can also Reroll Unique Power on Ancestral Uniques and apply Transfiguration to Mythics.

What is the Talisman and how do Unique Charms work?

The Talisman is a new inventory slot that holds Charms providing Set bonuses. You can convert any Unique into a Unique Charm using the Horadric Cube — the Unique's special power transfers, freeing the gear slot. This lets you have the Unique effect and wear a Legendary with better affixes. Up to 6 slots can be unlocked.

What are the best Mythic Uniques in Season 13?

S-Tier: El'druin, Sword of Justice (best 1H sword for speed farming), Heir of Perdition (80% damage bonus helm), Ring of Starless Skies (resource + damage), Doombringer (survival), Shroud of False Death (All Stats). A-Tier: The Grandfather, Nesēkēm, Shattered Vow. Fallen: Harlequin Crest dropped from S to B/C due to CDR nerfs.

How do I farm Mythic Uniques efficiently?

Belial has the highest Mythic drop rate. Torment 10 is the efficiency sweet spot. Undercity with Mythic Tribute of Armaments is the best burst source. Mephisto drops Mythic Seals in addition to Mythics. As fallback, the Season Journey awards 14 Resplendent Sparks — craft a specific Mythic with 2 Sparks + runes at the Blacksmith.

What changed with itemization in Lord of Hatred?

Major changes: Uniques no longer have fixed affixes — they roll randomly. Uniques can be Tempered. Inherent weapon affixes (e.g., Crit Damage on Swords) were removed. Max item power is 900 for Ancestral. Torment difficulty goes up to XII. Elixirs and Incense removed from seasonal realms.