Before level 50, crafting in Diablo 4 barely matters. You find better items faster than you can upgrade the ones you have. From World Tier 3 onward, though, it becomes the whole game. The difference between a decent build and a polished one isn’t your drops, it’s which of the six systems you invest in and in what order. The patch notes sum up how crafting changes between seasons, most recently version 3.1.3 with fixes for seasonal progress and teleporting through War Plans.
Six systems
| System | What it does | Where |
|---|---|---|
| Tempering | adds new affixes to gear | Blacksmith |
| Masterworking | upgrades existing stats | Blacksmith |
| Enchanting | rerolls one affix | Occultist |
| Gem crafting | upgrades gems, adds sockets | Jeweler |
| Runecrafting | crafts and sockets runes | Jeweler |
| Sanctification | irreversible top-tier upgrades | seasonal system |
Four vendors
Every major city (Kyovashad, Ked Bardu, Zarbinzet) has all four.
Blacksmith (level 10)
This is where 80% of your time goes. The Blacksmith upgrades weapons and armor up to four times per item, repairs, salvages and handles both Tempering and Masterworking.
- Mark junk and use Salvage All Junk. It saves a lot of time and stops you from selling something you actually needed.
- Durability matters more than it looks. At zero, all affixes and Aspect powers turn off. Broken gear isn’t weakened, it’s dead.
Jeweler (level 20)
Gems, sockets and runes. Gems scale with your character and the gap between tiers is huge: a Royal Ruby gives +12.5% maximum Life versus +2% for a Crude Ruby. Runecrafting pairs Ritual runes (triggers) with Invocation runes (effects), so you build conditional synergies tailored to your build.
Alchemist (level 10)
Elixirs, incense, potion upgrades and material refining. An elixir gives you stats plus 5% bonus experience for 30 minutes. Running endgame content without one means throwing away free power.
Occultist (level 25 or a dungeon with a legendary Aspect)
The endgame vendor: imprinting and extracting Aspects, Enchanting and Nightmare Sigils.
- Codex Aspects always roll at the minimum. Extracted Aspects keep their original values, which is why the most common mistake is imprinting a Codex Aspect onto a perfect piece of gear and ruining it.
- Enchanting rerolls only one affix. You pick the affix, then choose from two random options or keep the original. That slot is then permanently locked and the item can no longer be traded.
The order that pays off
- Ignore crafting until level 50. Drops upgrade you faster, and materials spent early are materials wasted.
- In the endgame, Aspects first. A well-rolled extracted Aspect beats any amount of Masterworking on a bad item.
- Then Tempering, so your gear has the affixes your build really needs.
- Masterworking last, because it multiplies what’s already there, including affixes you’d rather not boost.
- Gems and runes as you go, because upgrading gems is cheap compared to the percentage gain.
Materials without pointless farming
- Salvage, don’t sell. Gold is easy to come by, while Veiled Crystals and higher-tier materials are the bottleneck.
- Refine at the Alchemist instead of hoarding low-tier materials you’ll never use up.
- Keep two copies of every good Aspect: one to imprint, one in reserve for your next item.
FAQ
From World Tier 3, roughly after level 50. Before that, drops improve your gear faster than any upgrade.
Tempering adds new affixes to an item, Masterworking upgrades the ones already on it. Temper first, then Masterwork.
Its durability dropped to zero. That turns off all affixes and Aspect powers until you repair the item at the Blacksmith.
No. Once a slot has been enchanted, it is locked for further rerolls and the item can no longer be traded.
Always. Codex Aspects roll at the minimum, while an Aspect extracted from a legendary item keeps its original values.
Information verified as of 7 September 2026. Diablo 4’s crafting systems expand every season (that’s how Sanctification and Runecrafting arrived), so check the notes for the current season before a long farming session. More on Diablo: the Jeweler and gems and our review of the Lord of Hatred expansion. Elsewhere in our guides: research in Crimson Desert, augments in Dune: Awakening and the full Game guides section.