Codex of Power Aspects

The Codex of Power is a collection of Legendary Aspects you can imprint on your items at the Occultist to get your character started. You can imprint these Aspects onto rare or legendary items. They offer you a baseline selection of effects after you have completed specific Dungeons located around Sanctuary.

Check out our Occultist Overview to learn more about how legendary Aspects and imprinting work.

Imprinting with the Codex

The main advantage of the Codex is that it's relatively easy to simply complete a Dungeon once to unlock it versus finding the right item you're looking for. While all of this sounds amazing, the Codex does have some limitations that mean finding a legendary item will almost always be better than using a Codex Aspect. Later on taking your character to the max will require unleashing your terrible power upon the enemies of Sanctuary to unearth their wealth!

All information in this article is from the Press Preview Access of Diablo 4. The content presented here is subject to change, and will be updated as we learn more.

Codex of Power Aspect Limitations

Not Every Legendary: The Codex of Power doesn't have every single Aspect from each Legendary in the game in it. This means you can only find some Legendaries the good old fashion way - by destroy hordes of the demons of hell over and over again!
Lowest Roll Imprinted: Aspects that are Imprinted from the Codex of Power automatically Imprint the lowest roll possible! For example, if you wanted to Imprint "Thorns damage dealt has a [20-40]% chance to deal damage to all enemies around you.", then it would automatically Imprint 20% chance. That's half the power of a full max roll!

Check out our Legendary Aspects Overview to see all other Aspects not covered by the Codex.

Aspect Categories

Not all Aspects can be Imprinted to just any Rare or Legendary Item. Aspects are divided by category, and depending on its category it can be Imprinted on different slots. This forces you to think a little more deeply about your build instead of just putting every damage multiplier you can find on all your items.

Offensive: Gloves, 1H Weapon, 2H Weapon (+100% Effectiveness), Ring, Amulet (+50% Effectiveness)
Defensive: Helm, Chest, Pants, Amulet (+50% Effectiveness)
Resource: Helm, Ring, Amulet (+50% Effectiveness)
Utility: Helm, Chest, Boots, Gloves, Amulet (+50% Effectiveness)
Mobility: Boots, Amulet (+50% Effectiveness)

Note that the Codex always imprints the minimum value and does not display the maximum possible for an Aspect. We were able to confirm some values from drops that show the ranges but most are unknown. In addition, certain flat value powers scale either with character level or item power.

All Classes - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Disobedience	Defensive	Enemies afflicted with a damage over time effect deal [20-?]% less damage to you.
Edgemaster's	Offensive	Skills deal up to x[24-?]% increased damage based on available resource when cast, receiving the full benefit while at full resource.
Ghostwalker	Mobility	You may move freely through enemies while below [40-?]% total Life.
Inner Calm	Offensive	Deal [3.0-10]% increased damage for each second you stand still, up to x30%
Might	Defensive	Basic skills grant 25% damage reduction for [4.0-?] seconds.
Needleflare	Offensive	Thorns damage dealt has a [20-40]% chance to deal damage to all enemies around you.
Protecting	Defensive	When struck, a magical bubble forms around you for 8 seconds, absorbing [N] damage. Can only occur once per [10-?] seconds.
Pummeling	Offensive	Deal x[40-50]% increased damage to Stunned, Knocked Down, and Frozen enemies.
Rapid	Offensive	Basic Skills gain [23-?]% Attack Speed.
Shared Misery	Utility	Lucky Strike: When you hit a Crowd Controlled enemy, there's up to [30-?]% chance for that Crowd Control effect to spread to another unaffected nearby enemy.
The Deflecting Barrier	Defensive	While you have a Barrier active, there is a [20-30]% chance to ignore incoming direct damage from Distant enemies.
The Expectant	Offensive	Enemies hit with Basic Skills increases the damage of your next Core Skill by x[5.0-?]% up to x50%.
The Protector	Defensive	Every [10-?] seconds, gain a Barrier absorbing up to [N] damage.
The Umbral	Resource	Restore [1-?] resource when you Crowd Control an enemy.
Wind Striker	Mobility	Critical Strikes grant [8.0-?]% Movement Speed for 1 second. The duration can be extended.

Barbarian - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Ancestral Echoes	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.
Ancestral Force	Offensive	Hammer of the Ancients quakes outwards, dealing [32-?]% of its damage to enemies.
Anemia	Utility	Lucky Hit: Direct damage against Bleeding enemies has up to a [31-?]% chance to Stun them for 2 seconds.
Berserk Ripping	Offensive	Whenever you deal direct damage while Berserking, inflict [22-?]% if the base damage dealt as additional Bleeding damage over 5 seconds.
Brawler's	Offensive	Enemies damaged by Kick or Charge will explode if they are killed within the next 2 seconds, dealing [N] damage to nearby enemies.
Bul-Kathos	Defensive	Leap creates an Earthquake that deals [N] Physical damage over 4 seconds. While standing in Earthquakes, you gain [5-?]% increased Damage Reduction.
Death Wish	Offensive	Gain [N] Thorns while Berserking.
Echoing Fury	Resource	Your Shout skills generate [2.0-?] Fury per seconds while active.
Numbing Wrath	Defensive	Each point of Fury generated while at maximum Fury grant [9.0-?] Fortify.
Perpetual Stomping	Mobility	Damaging an enemy with Kick or Ground Stomp resets Leap's Cooldown.
Quickening Pulse	Offensive	Lucky Strike: Up to a [40-?]% chance to reduce the Cooldowns of your non-Ultimate Skills by 1.5 seconds when you inflict Bleeding on Elites.
Relentless Berserker's	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.
Slaking	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.
Tempering Blows	Defensive	After Swapping weapons 6 times, gain [N] Fortify.
The Dire Whirlwind	Offensive	Whirlwind's Critical Strike Chance is increased by [5-?]% for each second it is channeled, up to [20-?]%.
The Iron Warrior	Defensive	Iron Skin also makes you Unstoppable.
The Prickling	Offensive	Damaging an enemy with a Core Skill has up to a [10-?]% chance to grant [N] Thorns for 5 seconds.
The Relentless Armsmaster	Resource	Gain x[20-?]% increased Fury Generation while all damage bonuses from Walking Arsenal are active.
Unrelenting Fury	Resource	Killing an enemy with a Core Skills refunds [10.0-?]% of its base Fury cost. Can only happen once per Skill cast.
Veteran Brawler	Offensive	Each time a Core Skill deals direct damage to an enemy, your next Charge or Leap deals [15-?]% increased damage, up to [225-?]%.
Windstriker	Offensive	After swapping weapons 6 times, gain +[20-?]% increased Attack Speed for 4 seconds.

Druid - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Ballistic	Utility	When you have Fortified Life your Earth Skills gain +3.
Crashstone	Offensive	Earth Skills deal x[40-?]% more Critical Strike damage to Crowd Controlled enemies.
Cyclonic Force	Defensive	Cyclone Armor also provides Physical Damage Reduction. In addition, Cyclone Armor will also be applied to all nearby Allies.
Mangled	Resource	Gain 1 Spirit when you are stuck as a Werebear.
Mending Stone	Defensive	The duration of Earthern Bulwark is increased by 6 seconds. In addition, killing an enemy with Earth skills replenishes [N] of your active Earthen Bulwark's barrier.
Nighthowler's	Offensive	Blood Howl increases Critical Strike Chance by [5.0-?]%. In addition, Blood Howl also affects nearby Companions and Players for 3 seconds.
Overcharged	Offensive	Lucky Hit: Up to a [10-?]% chance when dealing Lightning damage to overload the target for 3 seconds, causing any direct damage you deal to them to pulse [N] additional damage to nearby enemies.
Quicksand	Utility	Damage from Earth skills Slow enemies hit by [25-?]% for 5 seconds.
Retaliation	Offensive	Your Core skills deal up to x[20-?]% increased damage based on your percent Fortified Health.
Shepherd's	Offensive	Core Skills deal an additional [6.0-?]% damage for each active Companion.
Skinwalker's	Defensive	When you use a Shapeshifting Skill that changes your form, gain [N] Life. If you are at full Life, gain the same amount as Fortify.
Stalking Beast	Defensive	Gain Stealth for 2 seconds when killing enemies with Shred. Breaking Stealth with an attack grants Ambush which guarantees Critical Strikes for [1.0-?] seconds.
Storm Beast's	Resource	Lucky Hit: Storm skills have up to a [15-?]% chance to grant 10 Spirit. Your base Storm Skills are now also Werewolf Skills.
Stormshifter's	Utility	While Hurricane is active, gain +3 to your Shapeshifting Skills.
The Changeling's Debt	Resource	Werebear Skills restore [1.0-?] Spirit when you hit enemies afflicted by your Poisons. When Spirit is restored, your Poison effects are removed from the enemy.
The Rampaging Werebeast	Offensive	The duration of Grizzly Rage is increased by [1-?] seconds. In addition, Critical Strikes while Grizzly Rage is active increase your Critical Strike Damage by 10% for the duration.
The Tempest	Offensive	Hurricane damage is increased by x[7.0-?]% each second while active.
The Unsatiated	Resource	After killing an enemy with Shred, your next Werewolf Skill generates x[20-?]% more Spirit and deals x[20-?]% increased damage.
The Ursine Horror	Offensive	Pulverize is now also an Earth skill. After casting Pulverize, tectonic spikes continue to deal [N] damage over 2 seconds.
Vigorous	Defensive	Gain [10.0-?]% Damage Reduction while Shapeshifted into a Werewolf.

Necromancer - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Blighted	Offensive	The Shadowblight Passive deals x[15-?]% increased damage against Slowed or Chilled enemies, and x[30-?]% increased damage against Stunned enemies instead.
Blood Seeker's	Offensive	Blood Lance deals [15-?]% increased damage to its primary target per lanced target.
Blood-bathed	Offensive	Blood Surge's nova echoes again after a short delay, dealing x[60-?]% less damage.
Bursting Bones	Offensive	When a segment of Bone Prison is destroyed or expired, is deals [48-?] damage in an area around itself.
Empowering Reaper	Offensive	Each target hit along Sever's path increases the scythe's damage by x[6-?]% up to x[30-?]%.
Fastblood	Utility	Blood Orbs reduce your Ultimate Cooldown by [0.5-?] seconds.
Flesh-Rending	Utility	After Decompose spawns a Corpse, gain [10-?] Essence.
Grasping Veins	Utility	Enemies who are Stunned by Corpse Tendrils are also made Vulnerable for its duration. If they die while Stunned, they have a [15-?]% chance to spawn a Blood Orb.
Hulking	Utility	Each time your Golem damages an enemy, its active Cooldown is reduced by [1-?] seconds.
Possessed Blood	Offensive	When you pick up [5-?] Blood Orbs, a free Bone Spirit is spawned, dealing bonus damage based on your current Life percent.
Potent Blood	Resource	While at full Life, Blood Orbs grant [10-?] Essence.
Reanimation	Offensive	Your Skeletons gain increased damage while alive, up to x[20-?]% after 10 seconds.
Requiem	Utility	You gain [3.0-?] maximum Essence per active Minion.
Sacrificial	Utility	Your Sacrifice bonuses are increased by [15-?]%.
Swelling Curse	Offensive	Bone Spirit deals increased damage based on distance traveled, up to [15-?]%.
The Damned	Offensive	You deal x[30-?]% increased Shadow Damage to enemies afflicted by both Decrepify and Iron Maiden.
The Void	Utility	Blight's defiled area, when spawned, Pulls in enemies around the affected area.
Torment	Utility	Critical Strikes with Bone Skills increase your Essence Regeneration by x[30-?]% for 4 seconds.
Torturous	Utility	Enemies afflicted by your Iron Maiden have a [15-?]% chance to be Stunned for 1 Second when they deal direct damage.
Unyielding Commander's	Offensive	While Army of the Dead is active, your Minions gain [70-?]% Attack Speed and take 90% reduced damage.

Rogue - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Arrow Storms	Offensive	Lucky Hit: Your Ranged Skills have up to a 10% chance to create an arrow storm at the target's present location, dealing [N] Physical damage over 3 seconds. You can have up to 5 active arrow storms.
Blast-Trapper's	Offensive	Lucky Hit: Dealing direct damage to enemies affected by your Trap Skills has up to a 30% chance to make them Vulnerable for 3 seconds.
Branching Volleys	Offensive	Barrage's arrows have [15-?]% chance to split into 2 arrows whenever they ricochet.
Cheat's	Defensive	You take [15.0-?]% less damage from Crowd Controlled enemies. Whenever a Crowd Controlled enemy deals direct damage to you, gain +15% Movement Speed for 2 seconds.
Corruption	Offensive	Your Imbuements have x[20-?]% increased potency against Vulnerable enemies.
Encircling Blades	Offensive	Flurry Damages enemies in a circle around you and deals x[8-?]% increased damage.
Energizing	Resource	Damaging an Injured enemy with a Basic Skill generates 5 Energy.
Enshrouding	Defensive	Gain a Dark Shroud shadow every 3 seconds when standing still. Each Dark Shadow grants [2.0-?]% increased Damage Reduction.
Explosive Verve	Utility	Your Grenades count as Trap Skills. Whenever you arm a Trap or drop Grenades, you gain +[10-?]% increased Movement Speed for 3 seconds.
Opportunist's	Offensive	When you break Concealment, you drop a cluster of Stun Grenades around your location that explode, dealing [N] total Physical damage and Stunning enemies for 0.25 seconds.
Ravenous	Resource	Killing a Vulnerable enemy grants you x[50- ?]% increased Energy Regeneration for 4 seconds.
Shadowslicer	Offensive	When you cast Dash, a Shadow Clone is spawned at your location that also casts Dash, dealing [25-?]% of the base damage.
Siphoned Protection	Defensive	Lucky Hit: Damaging a Vulnerable enemy with a Core Skill has up to a [20-?]% chance to grant a Barrier for 5 seconds that absorbs [N] damage, up to a maximum of [O].
Sleeting Imbuements	Offensive	Your Rain of Arrows is always affected by all Imbuement Skills at once.
Trickster's	Offensive	Caltrops also throw a cluster of Stun Grenades that explode and deal [52-?] total Physical damage and Stunning enemies for 0.25 seconds.
Uncanny Resilience	Defensive	Whenever you trigger a Lucky Hit, gain x[5-?]% increased Damage Reduction for 5 seconds, up to a maximum of x[15-?]%.
Unstable Imbuements	Offensive	Casting a Skill that is Imbued creates an explosion around you, dealing [N] damage of the same type.
Vengeful	Offensive	Lucky Hit: Making an enemy Vulnerable has up to a [30-?]% chance to grant +3% increased Critical Strike Chance for 3 seconds, up to +9%.
Volatile Blades	Offensive	Twisting Blades cause an explosion when they return to you, dealing [N] damage and [O] additional damage based on the distance the blades travel, up to 5 meters and [P] total damage.
Volatile Shadows	Offensive	When a Dark Shroud shadow would be removed it explodes, dealing [N] Shadow damage around you.

Sorcerer - Codex of Power Aspects

NAME	CATEGORY	DESCRIPTION
Biting Cold	Offensive	When you Freeze an enemy there is a [25-?]% chance they become Vulnerable for 3 seconds.
Charged	Mobility	Collecting Crackling Energy increases your Movement Speed by [10-?]% for 4 seconds.
Conflagration	Offensive	While Channeling Incinerate, your Burning damage is increased by x[20-?]%.
Control	Offensive	You deal [30-?]% more damage to Immobilized, Stunned, or Frozen enemies.
Efficiency	Offensive	Casting a Basic skill reduces the Mana cost of your next Core skill by [10-?]%.
Elementalist's	Offensive	Core or Mastery Skills cast at or above 100 Mana gain a [20.0-?]% increased Critical Strike Chance.
Flamewalker's	Mobility	Coming in contact with your Firewall grants you +[15-?]% Movement Speed for 4 seconds.
Incendiary	Resource	Killing a Burning enemy grants [5-?]% Mana Cost reduction for 4 seconds, up to x[15-?]%.
Piercing Cold	Offensive	Ice Shards pierce 4 times, dealing [20-?]% less damage per subsequent enemy hit.
Prodigy's	Resource	Casting an Ultimate Skills restores [80-?] Mana.
Recharging	Resource	Each time Chain Lightning bounces off you, gain [4-?] Mana.
Rolling Thunder	Offensive	Charged Bolts pierce, but deal x[30-?]% less damage.
Seared Flesh	Utility	Every 5 times you deal Direct Fire Damage to an enemy, they are Immobilized for [2-?] seconds.
Snowguard's	Defensive	While within your own Blizzard, you take [10-?]% less damage.
Snowveiled	Defensive	Casting Ice Armor makes you Unstoppable for [2.0-?] seconds.
Splintering Energy	Offensive	Lightning Spear has a [11-?]% chance to spawn an additional Lightning Spear when you cast it.
Storm Swell	Offensive	You deal x[11-?]% increased damage to Vulnerable enemies while you have a Barrier.
The Bounding Conduit	Mobility	Gain [20-?]% Movement Speed for 3 seconds after Teleporting.
The Unwavering	Defensive	Taking direct damage has a [5-?]% chance to reset the Cooldown of one of your Defensive Skills.
Three Curses	Offensive	Meteor deals x[35-?]% increased Critical Strike Damage against Healthy targets.

Video

Credits

Written by Echohack
Reviewed by wudijo

Changelog

Dec 5th 2022

Article created from the Press Preview Access of Diablo 4.

Echohack