In this guide, we'll explain how the Codex of Power and Legendary Aspects work together in Diablo 4.
First Published July 18, 2023, 06:19
Diablo 4 has several new and powerful features. One new feature, in particular, is the Codex of Power and its alignment with Legendary Aspects in Diablo 4.
So in this guide, we're going to break down everything you need to know about the Codex of Power and the Legendary Aspects that come with it in Diablo 4. We'll also touch on some of its limitations and how its best used in the game.
Update on 18 July 2023: We've updated this article with the latest Diablo 4 Codex of Power information so you know everything about Legendary Aspects and how to use them. Diablo 4 Codex Of Power & Legendary Aspects Explained
Simply put, the Codex of Power is an item in Diablo 4 that stores a collection of Legendary Aspects that you collect as you play through dungeons in the game. It can also store Legendary Aspects extracted from certain pieces of gear thanks to the "Aspect Extraction" ability of the Occultist, as we've detailed in our Occultist guide here.
Once you have your Codex of Power chocked to the brim with Legendary Aspects, you can take it to the Occultist and have them imprint these Aspects on Rare and Legendary pieces of gear. Rare items turn into Legendaries with the affixes that were previously on that item, plus the newly added Legendary Power, while Legendaries have their existing Legendary Affix overwritten with the new one.
Something to note is that when you collect a Legendary Aspect, you can imprint it onto gear items indefinitely. But if you extract an Aspect, it's immediately consumed when you imprint it, meaning it's only usable once. Also, while the Codex of Power is a great way to reroll your Aspects and target specific builds for your characters, it does come with a few drawbacks, namely:
- Not All Legendary Aspects: The Codex of Power does not contain every single Aspect of every single Legendary in the game as you fight through the game's dungeons. This means that you need to do some grinding to defeat armies of demons and find some Legendaries the old-fashioned way.
- Lowest Roll Imprint: When an Aspect from the Codex of Power is imprinted, it does so with the lowest roll possible for that item. So if you wanted to imprint "Thorns damage done deals a [20-40]% chance to deal damage to all opponents around," it would automatically Imprint 20% probability. So it will always imprint the lowest roll for the Aspect.
And that's everything you need to know about the Codex of Power and Legendary Aspects in Diablo 4. Be sure to think carefully about your Aspects and which pieces of gear they'll go best with to give you the best chances of success in Diablo 4.
For more Diablo 4, be sure to check out our dedicated section or some of our Guides & Tutorials just below:
Diablo 4 Season 2 Guides
Class Builds & Tier Lists
- Best Diablo 4 Barbarian Build: Skills, Stats, Items, Arsenal, Legendary Aspects
- Best Diablo 4 Necromancer Build: Skills, Stats, Items, Legendary Aspects
- Best Diablo 4 Sorcerer Build: Skills, Stats, Items, Legendary Aspects
- Best Diablo 4 Druid Build: Skills, Stats, Items, Legendary Aspects
- Best Diablo 4 Rogue Build: Skills, Stats, Items, Specialization, Legendary Aspects
- Diablo 4 Class Tier List: Best Solo Builds
- Best Diablo 4 Build Calculator: Skill Tree For All Classes & More
- Best Diablo 4 Paragon Board Planner
- Best Diablo 4 Class & Build For Beginners
- Best Upheaval Barbarian Build in Diablo 4
- Best Lightning Sorcerer Build in Diablo 4
- Best Fire Sorcerer Build in Diablo 4
Tech Guides & Fixes
World, Maps & Locations
Diablo 4 Items & Slots
Achievements/Challenges
Legendary Aspects
Strongholds
Bosses
- Diablo 4 Ashava Spawn Times, Location, and How To Beat Easily
- Diablo 4 Wandering Death World Boss: How To Beat, Spawn Location & Loot
- Diablo 4 Avarice World Boss: How To Beat, Spawn Location & More
- Diablo 4 Lilith's Lament: How To Beat Final Act 1 Boss
- Diablo 4 Den Mother Boss: How To Beat, Location & Rewards
- Diablo 4 Staggering System Explained: How To Stagger Bosses
- Diablo 4 Lord Avitus Location, How To Beat and Loot Drops
- Diablo 4 The Blood Bishop Location, How To Defeat, Loot Drops
- Diablo 4 The Butcher Location, How To Defeat, Loot Drops
Gameplay Systems
The Story, Lore & Characters
Diablo 4 Season Guides
Our section keeps growing, so check for new guides daily! Don't forget to pick up one of the Diablo 4 Editions and join the fight to save Sanctuary soon.
Written by Shane Moosa
Shane started his career as a freelance writer for Gamezo while working full-time as a software developer. You can often find Shane trying his hand at no-hit runs of Souls Games such as Elden Ring and Dark Souls 3 (and being quite unsuccessful). To relax, Shane will often boot up sessions of Overwatch 2 or Hunt: Showdown, but his interests are spread across various games, from AAA titles (He loved the Dead Space Remake and RE4 Remake) to indies such as Hollow Knight, Celeste, and Hades. Shane is always willing to try new games though, so feel free to drop him an email with what you think he should check out next.
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