This is a full guide of all the itemization changes coming to Diablo 4 (D4) Season 4. Check out all the itemization changes and learn how the loot system is reworked!

Season 4 Itemization Changes

Tempering Manuals

Tempering allows players to add affixes to their gear that lean towards their desired build. To use tempering, players must find Tempering Manuals as regular drops and go to the blacksmith to begin Tempering.

The Affixes from Tempering Manual corresponds to six categories: Weapons, Offensive, Defensive, Mobility, Utility, and Resource.

Here are the key points to tempering items:

• Tempering Manuals contain a small set of Affixes that lean towards a specific element or build.
• Ancestral items can have two Tempered affixes from different categories.
• Tempering Durability indicates how many times you can Temper an item.
• Tempering Manuals learned in the Seasonal Realm will last until the season ends, while manuals learned from the Eternal Realm are permanent.

Masterworking Items

Masterworking is an end-game crafting system in the Blacksmith, using materials earned from The Pit of Artificers to upgrade your gear. It improves the overall strength of all affixes on your weapon, and at every 4th tier, it massively upgrades one of your equipped affixes.

Texts of affixes that receive the bonus will have their colors changed based on the number of bonuses they recieve. You can reset the Masterwork of a weapon if you do not like its results.

Greater Affixes

Season 4 will introduce Greater Affixes to items. These affixes have their values raised by 1.5 and will only appear for Ancestral Legendary and Unique items.

Items with Greater Affixes will drop with a unique audio cue and will have a unique icon in your inventory and the overworld. Greater Affixes cannot be obtained from Enchanting items and can only be obtained from drops.

General Item Changes

Item Affixes are now reduced, with only 2 for Rare items and 3 for Legendary items. These affixes are now more effective and no longer have conditional requirements.

Here's a list of more key item changes coming to Season 4:

1. Items that drop are now more impactful, so the item drop rate from enemies is lowered.
2. Forgotten Souls can now be earned from Whisper bounties and are a rare drop from all Elites.
3. Gold cost to re-roll items when Enchanting now has a maximum.
4. Materials required when using the Blacksmith are lowered.
5. Salvaged items now yield more materials.
6. Legendary items dropped from enemies over Level 95 will always have a value of 925 Item Power.
7. Unique Items now have a chance to drop in World Tiers 1 and 2.
8. Damage Reduction granted by Fortify is raised to 15%
9. Cooldown Reduction is now capped at 75%
10. Physical Damage calculation against Damage Reduction is now capped at level 100.
11. Maximum Evade Charges affix has been increased to 3.
12. The Attacks Reduce Evade's Cooldown affix has been increased to 1.5 seconds.
13. The Evade Grants Movement Speed affix has been increased to 125%
14. All Resistance from Amulets are increased to 25%
15. Single Element Resistance on Rings has been increasd to 10%.

With these changes, items are now easier to manage, which ones to keep and which ones to salvage and sell.

Gem Updates

Gems now have raised effectiveness, and their crafting levels changed. Normal Gems are available at level 51, Flawless Gems at level 71, and Royal Gems at level 91.

Below is a list of the bonus effects of each Gem type:

• Diamonds now have their All Resistance values increased.
• Topaz will provide increased Intelligence.
• Sapphires will increase Willpower.
• Amethyst will increase Strength.
• Emeralds will increase Dexterity.

List of All Gems

Codex of Power Update

Salvaging Legendary items will now store their Aspects in your Codex of Power, which can be reused indefinitely. Aside from efficiency, this change also addresses the issue of hoarding legendary items in player stashes.

What Is the Codex of Power?

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