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Diablo 4: Vessel of Hatred (D4)

Season 10 Release Date and New Features

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★ NEW: Season 10 Guide | Season 10 Release Date
┗ Seasonal Content: Chaos Rifts | New Uniques
┗ Seasonal Mechanic: List of Chaos Perks & Chaos Armor
★ Season 10 Best Builds & Best Chaos Perks
★ Check out our Vessel of Hatred expansion guide

Diablo 4's Season 10 or Infernal Chaos was released on September 23, 2025. Read on to learn all the details regarding the release of the Infernal Chaos update and all other content that will be added to the game.

Diablo 4 Season 10 Release Time

Released on September 23, 2025

Global Release Timer
Season 10 is now Live!
Los Angeles
UTC -8
10:00 AM
(September 23, 2025)
New York
UTC -5
1:00 PM
(September 23, 2025)
Brazil
UTC -3
3:00 PM
(September 23, 2025)
London
UTC
6:00 PM
(September 23, 2025)
South Africa
UTC +2
8:00 PM
(September 23, 2025)
Perth
UTC +8
2:00 AM
(September 24, 2025)
Tokyo
UTC +9
3:00 AM
(September 24, 2025)
Syndey
UTC +11
5:00 AM
(September 24, 2025)
Auckland
UTC +13
7:00 AM
(September 24, 2025)

Season 10 of Diablo 4 will be released on Tuesday September 23, 2025. This release time will vary depending on your region so please refer to the table above to check out what time Season 10 will release in your region.

Season 10 Guide (Infernal Chaos)

Season 10 New Features and Updates

Season 10 New Features and Updates






New Seasonal Mechanic

A new seasonal mechanic called the Chaos Perks has been introduced in Season 10. These perks can enhance the function of your Skills to provide additional effects that can help define your build.

Each class has access to a total of 16 Chaos Perks, containing 4 class-specific Chaos Perks and 3 of each Rarity for Magic, Rare, Legendary, and Unique perks. Do note that you can only equip 3 non-Unique Perks and 1 Unique Perk on your Chaos Perk slots.

List of All Chaos Perks

Infernal Hordes Update

Infernal Horde

Changes to the Infernal Horde activity, such as balanced Offerings, adjusting Monster populations, and immediately starting your run with an Infernal Offering have also been applied.

Aside from the Offering changes, they have also implemented a new Chaos wave that you can activate as you choose Offerings to bring more challenges. Keep in mind that pre-Torment difficulties will now use Fleeting Hordes, which is a modified version of Infernal Hordes that only contains 4 waves and two Fell Council bosses at the end.

Infernal Horde Guide

New Bartuc Boss

New Bartuc Boss

Bartuc is a new boss with unique mechanics that can be specifically found in the Infernal Hordes of Season 10. Once you complete the final wave of an Infernal Hode, you now have a choice between fighting the Fell Council or spending your party's Aether to summon Bartuc.

Do note that although you have to spend Aether to summon him, the rewards you get for defeating Bartuc will drop on the ground like regular loot.

Bartuc Location and How to Beat

New Chaos Armor

Chaos Armor is a new mechanic that allows Uniques to appear as other equipment types such as Helm, Chest, Gloves, Pants, and Boots.

In addition to equipment slot variety, their Unique effects and affixes are also enhanced to always roll at maximum Item Power, Unique Effect, and have at least one Greater Affix. Do note that you will not be able to equip the same Unique on different equipment slots between their Chaos and standard versions.

List of All Chaos Armor

Chaos Rifts

Chaos Rifts

The Chaos Rifts are random portals that spawn throughout Helltides and Nightmare Dungeons to unleash additional Chaos monsters that can drop chaotic loot such as more XP, Gems, and Chaos Armor in Torment difficulties.

Chaos Rifts Guide

New Uniques

New Unique Items
Sabre of TsasgalSabre of Tsasgal Kilt of BlackwingKilt of Blackwing Gospel of the DevoteeGospel of the Devotee
Orphan MakerOrphan Maker Galvanic AzuriteGalvanic Azurite Hesha e KesungiHesha e Kesungi

A new Unique for each class has been added for Season 10, bringing a total of 6 new Uniques. These can help bring fresh build options and new playstyles to synergize with your playthrough.

New Season 10 Uniques

Weapon Cosmetic Twitch Drop

Diablo 4 Hewer’s Halberd Polearm Twitch Drop

Starting from September 23 to 26, you can claim the Hewer’s Halberd Polearm cosmetic weapon from Twitch drops by watching at least 2 hours of Diablo 4 content.

How to Get Twitch Drop Rewards and Cosmetics

Immunity Phases Removed

Diablo 4 Immunity Phase Replaced with Barriers

As of Season 10, all Immunity phases from Lair Bosses have been replaced with a Barrier system that powerful builds can easily burst down to finish the fight. Do note that this only includes specific bosses that had immunity phases such as Duriel, Andariel, Harbinger of Hatred, and the new Bartuc boss.

List of All Bosses

Diablo 4 Related Guides

Diablo 4 - Seasons
List of Seasons: How Do Seasons Work?

Season 11 Guides

Season 11 Release Date Upcoming Season 11 Uniques

Season 10 Guides

Release Date Season 10 Guide
Season 10 Questline Walkthrough Season 10 Journey
Season 10 Battle Pass Reliquary Best Blessings
New Season 10 Uniques List of All Chaos Perks
List of All Chaos Armor Chaos Rifts Guide
How to Beat Bartuc Fleeting Hordes Guide
How to Get Fleeting Horde Compass Infernal Horde Reborn
How to Get Infernal Horde Compass How to Farm Viz Jaq'taar Veneration
How to Farm Infernal Warps Season 10 Leveling Guide
Best Endgame Loop Best Chaos Perks

Season Guides

Battle Pass Explained
Season 1 Battle Pass Season 2 Battle Pass
Season 3 Battle Pass Season 4 Battle Pass
Season 5 Battle Pass Season 6 Battle Pass
Season 7 Battle Pass Season 8 Battle Pass
Season 9 Battle Pass Season 10 Battle Pass
Season Journey Explained
Season 1 Journey Season 2 Journey
Season 3 Journey Season 4 Journey
Season 5 Journey Season 6 Journey
Season 7 Journey Season 8 Journey
Season 9 Journey -
All Season Mechanics
Malignant Hearts
(Season 1)
Vampiric Powers
(Season 2)
Seneschal Construct
(Season 3)
Itemization Changes, Helltide Reborn, The Pit
(Season 4)
Infernal Horde
(Season 5)
Realmwalker, Seething Opals, Seething Realm
(Season 6)
Witchcraft Powers, Occult Gems
(Season 7)
Boss Powers
(Season 8)
Horadric Spells, Horadric Jewels
(Season 9)
Chaos Perks, Chaos Armor
(Season 10)
Season FAQs
What Carries Over to Seasons? How to Transfer Renown to Seasonal Characters
Is Seasonal Rebirth Coming to Diablo 4? How to Get Smoldering Ashes
Should You Make a Seasonal Character? Can You Transfer Items to Seasonal Characters
Should You Skip the Main Campaign? What Are Legacy Items
Paragon Migration Explained How to Farm Favor Tokens
How to Access Seasonal Questline -
Season Challenges
The Gauntlet Guide and How to Access Leaderboards Release Date and Overview

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