Barbarian Codex of Power - Diablo 4

List of Barbarian Codex of Power & Legendary Aspects

The Codex of Power is a collection of all Legendary Aspects that were unlocked by completing specific dungeons for the first time.

Aspect Name	Class	Category	Aspect Power	Dungeon	Region	Location
Aspect of Bul-Kathos	Barbarian	Defensive	Leap creates an Earthquake that deals 62 Physical damage over 4 seconds. While standing in Earthquakes, you gain 5% increased Damage Reduction.	-	Hawezar	Progress Campaign in Hawezar to unlock
Iron Blood Aspect	Barbarian	Defensive	Gain 2.0% Damage Reduction for each Nearby Bleeding enemy up to 10% maximum.	Forgotten Ruins	Kehjistan	Unlocked by completing dungeon Forgotten Ruins in Kehjistan
Aspect of the Iron Warrior	Barbarian	Defensive	Iron Skin grants Unstoppable, and 10% Damage Reduction. Unstoppable characters have all Control Impairing Effects removed and prevented.	Carrion Fields	Dry Steppes	Unlocked by completing dungeon Carrion Fields in Dry Steppes
Aspect of Numbing Wrath	Barbarian	Defensive	Each point of Fury generated while at maximum Fury grants 0.5 Fortify.	-	Hawezar	Progress Campaign in Hawezar to unlock
Aspect of Tempering Blows	Barbarian	Defensive	After swapping weapons 6 times, gain 17 Fortify. Fortified characters take 10% reduced damage. You become Fortified when you have more Fortify than current Life.	Defiled Catacomb	Fractured Peaks	Unlocked by completing dungeon Defiled Catacomb in Fractured Peaks
Earthstriker's Aspect	Barbarian	Offensive	After swapping weapons 10 times, your next attack will Overpower and deal 30% increased Overpower damage. Overpowering deals bonus damage based on the sum of your current Life and Fortified Life.	Maugan's Works	Hawezar	Unlocked by completing dungeon Maugan's Works in Hawezar
Aspect of Ancestral Echoes	Barbarian	Offensive	Lucky Hit: Damaging enemies with Leap, Upheaval, or Whirlwind has up to a 40% chance to summon an Ancient to perform the same Skill. Can only happen once every 5 seconds.	-	Hawezar	Progress Campaign in Hawezar to unlock
Aspect of Ancestral Force	Barbarian	Offensive	Hammer of the Ancients quakes outwards, dealing 32% of its damage to enemies.	Sunken Ruins	Scosglen	Unlocked by completing dungeon Sunken Ruins in Scosglen
Aspect of Berserk Ripping	Barbarian	Offensive	Whenever you deal direct damage while Berserking, inflict 22% of the base damage dealt as additional Bleeding damage over 5 seconds. Berserking grants 25% increased damage and 15% increased Movement Speed. This effect lasts up to 5 seconds.	Moumfield	Dry Steppes	Unlocked by completing dungeon Moumfield in Dry Steppes
Brawler's Aspect	Barbarian	Offensive	Enemies damaged by Kick or Charge will explode if they are killed within the next 2 seconds, dealing 158 damage to surrounding enemies.	-	Hawezar	Progress Campaign in Hawezar to unlock
Death Wish Aspect	Barbarian	Offensive	Gain 17 Thorns while Berserking. Berserking grants 25% increased damage and 15% increased Movement Speed. This effect lasts up to 5 seconds.	-	Scosglen	Progress Campaign in Scosglen to unlock
Aspect of the Dire Whirlwind	Barbarian	Offensive	Whirlwind's Critical Strike Chance is increased by 5% for each second it is channeled, up to 20%.	Garan Hold	Scosglen	Unlocked by completing dungeon Garan Hold in Scosglen
Veteran Brawler's Aspect	Barbarian	Offensive	Each time a Core Skill deals direct damage to an enemy, your next Charge or Leap deals 15% increased damage, up to 225%.	Heretics Asylum	Kehjistan	Unlocked by completing dungeon Heretics Asylum in Kehjistan
Aspect of Echoing Fury	Barbarian	Resource	Your Shout Skills generate 2.0 Fury per second while active.	-	Kehjistan	Progress Campaign in Kehjistan to unlock
Aspect of the Relentless Armsmaster	Barbarian	Resource	Gain 20% increased Fury Generation while all damage bonuses from the Walking Arsenal Key Passive are active.	Calibel's Mine	Scosglen	Unlocked by completing dungeon Calibel's Mine in Scosglen
Slaking Aspect	Barbarian	Resource	Lucky Hit: You have up to a 30% chance to gain 20 Fury when Rend deals direct damage to at least one Bleeding enemy.	Maulwood	Fractured Peaks	Unlocked by completing dungeon Maulwood in Fractured Peaks
Aspect of Unrelenting Fury	Barbarian	Resource	Killing an enemy with a Core Skill refunds 10.0% of its base Fury cost. Can only happen once per Skill cast.	Hallowed Ossuary	Fractured Peaks	Unlocked by completing dungeon Hallowed Ossuary in Fractured Peaks
Aspect of Anemia	Barbarian	Utility	Lucky Hit: Direct damage against Bleeding enemies has up to a 31% chance to Stun them for 2 seconds.	Kor Dragan Barracks	Fractured Peaks	Unlocked by completing dungeon Kor Dragan Barracks in Fractured Peaks
Relentless Berserker's Aspect	Barbarian	Utility	Lucky Hit: Damaging an enemy with a Core Skill has up to a 22% chance to extend the duration of Berserking by 1 second. Double this duration if it was a Critical Strike.	Hakan's Refuge	Kehjistan	Unlocked by completing dungeon Hakan's Refuge in Kehjistan
Aspect of Perpetual Stomping	Barbarian	Mobility	Damaging an enemy with Kick or Ground Stomp resets Leap's Cooldown.	Chamel House	Dry Steppes	Unlocked by completing dungeon Chamel House in Dry Steppes

Legendary Aspects can be imprinted on Rare and Legendary items at the Occultist. After imprinting:

Rare items turn into Legendaries with the affixes that were previously on that item, plus the newly added Legendary Power.
Legendaries have their existing Legendary Power overwritten with the new one.

Codex of Power Aspects can be applied indefinitely. Regularly extracted Legendary Aspects are consumed when they are imprinted onto an item. An item can only be imbued once!

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Legendary Aspects Category

Legendary Aspects can only be imprinted onto specific item slots which are determined by the category of the Legendary Aspect itself. Each Legendary Aspect belongs to a specific category, including Defensive, Offensive, Resource, Utility, or Mobility and in some cases the item slot you choose for a Legendary Aspect can also increase the imprinted Legendary Power on the item

	Defensive	Offensive	Resource	Utility	Mobility
1H Weapon	-	✅	-	-	-
2H Weapon (Power increased by 100%)	-	✅	-	-	-
Off-Hand	✅	-	-	-	-
Helm	✅	-	✅	✅	-
Chest	✅	-	-	✅	-
Pants	✅	-	-	-	-
Boots	-	-	-	✅	✅
Gloves	-	✅	-	✅	-
Amulet (Power increased by 50%)	✅	✅	✅	✅	✅
Ring	-	✅	✅	-	-

Limitations

You have an opportunity to go and basically override the existing legendary power on this and put in the new power they've just collected to the Codex of Power. So in this way, players get this deterministic way to kind of collect a series of these legendary powers that are out there in the game for them to find. But it's not all of them.

You can only find some of the legendary powers overall in the game. There are over 120 dungeons in the game. So this represents like a lot of really exciting and interesting things for you to collect as you're going through these areas.
Also, you don't just find legendary powers for your class. You'll find legendary powers for all of the class as you go. And some ones that can work in multiple classes as. And then we think this is really cool because every time you find an aspect that you can put in your Codex of Power, this is now available to all characters in that realm.
But another limitation for the Codex of Power, in addition to not actually having the ability to collect all of legendary powers again, there's many, many more for you to find as you're playing through Diablo IV those powers also are always rolled at the lowest level of power possible. So it is always better for you to go find a legendary item that has the power that you're interested in, and then you could choose to use that item directly or extract the power from that item into an aspect crystal. Then go in and print into your own item of your choosing.