Diablo 4 has 135 Codex of Power Aspect Locations across the six regions. Codex of Power Aspects are special abilities that you can apply onto rare gear to make them legendary. Some Aspects are class-specific, but all can be unlocked by any class. Codex of Power Aspects will unlock across all characters you create, so this can be done across multiple characters if you desire.
Codex of Power Aspects are rewards from completing Side Dungeons. You must imprint 10 items at the Occultist with a Codex of Power Aspect for the Curious Collector trophy & achievement.
This guide shows their locations ordered by region.
Overview:
Fractured Peaks
Aspect of Torment (Necromancer)
Unlocked by completing Black Asylum (Side Dungeon) in Fractured Peaks.
Aspect of Anemia (Barbarian)
Unlocked by completing Kor Dragan Barracks (Side Dungeon) in Fractured Peaks.
Aspect of the Unsatiated (Druid)
Unlocked by completing Tormented Ruins (Side Dungeon) in Fractured Peaks.
Nighthowler’s Aspect (Druid)
Unlocked by completing Forbidden City (Side Dungeon) in Fractured Peaks.
Aspect of the Protector
Unlocked by completing Lost Archives (Side Dungeon) in Fractured Peaks.
Aspect of Encircling Blades (Rogue)
Unlocked by completing Forsaken Quarry (Side Dungeon) in Fractured Peaks.
Flesh-Rending Aspect (Necromancer)
Unlocked by completing Nostrava Deepwood (Side Dungeon) in Fractured Peaks.
Stormclaw’s Aspect (Druid)
Unlocked by completing Anica’s Claim (Side Dungeon) in Fractured Peaks.
Aspect of Plunging Darkness (Necromancer)
Unlocked by completing Rimescar Cavern (Side Dungeon) in Fractured Peaks.
Aspect of Conflagration (Sorcerer)
Unlocked by completing Light’s Watch (Side Dungeon) in Fractured Peaks.
Eluding Aspect
Unlocked by completing Caldera Gate (Side Dungeon) in Fractured Peaks.
Slaking Aspect (Barbarian)
Unlocked by completing Maulwood (Side Dungeon) in Fractured Peaks.
Aspect of Tempering Blows (Barbarian)
Unlocked by completing Defiled Catacomb (Side Dungeon) in Fractured Peaks.
Aspect of Unrelenting Fury (Barbarian)
Unlocked by completing Hallowed Ossuary (Side Dungeon) in Fractured Peaks.
Mangled Aspect (Druid)
Unlocked by completing Immortal Emanation (Side Dungeon) in Fractured Peaks.
Blood Seeker’s Aspect (Necromancer)
Unlocked by completing Mercy’s Reach (Side Dungeon) in Fractured Peaks.
Flamewalker’s Aspect (Sorcerer)
Unlocked by completing Cultist Refuge (Side Dungeon) in Fractured Peaks.
Aspect of Explosive Verve (Rogue)
Unlocked by completing Derelict Lodge (Side Dungeon) in Fractured Peaks.
Aspect of Piercing Cold (Sorcerer)
Unlocked by completing Dead Man’s Dredge (Side Dungeon) in Fractured Peaks.
Recharging Aspect (Sorcerer)
Unlocked by completing Zenith (Side Dungeon) in Fractured Peaks.
Blood-bathed Aspect (Necromancer)
Unlocked by completing Hoarfrost Demise (Side Dungeon) in Fractured Peaks.
Blast-Trapper’s Aspect (Rogue)
Unlocked by completing Kor Valar Ramparts (Side Dungeon) in Fractured Peaks.
Energizing Aspect (Rogue)
Unlocked by completing Sanguine Chapel (Side Dungeon) in Fractured Peaks.
Scosglen
Aspect of Empowering Reaper (Necromancer)
Unlocked by completing Flooded Depths (Side Dungeon) in Scosglen.
Aspect of Arrow Storms (Rogue)
Unlocked by completing Howling Warren (Side Dungeon) in Scosglen.
Aspect of the Expectant
Unlocked by completing Underroot (Side Dungeon) in Scosglen.
Ballstic Aspect (Druid)
Unlocked by completing Whispering Pines (Side Dungeon) in Scosglen.
Aspect of Static Cling (Sorcerer)
Unlocked by completing Wretched Delve (Side Dungeon) in Scosglen.
Overcharged Aspect (Druid)
Unlocked by completing Mariner’s Refuge (Side Dungeon) in Scosglen.
Cheat’s Aspect (Rogue)
Unlocked by completing Luban’s Rest (Side Dungeon) in Scosglen.
Charged Aspect (Sorcerer)
Unlocked by completing Maddux Watch (Side Dungeon) in Scosglen.
Aspect of Swelling Curse (Necromancer)
Unlocked by completing Hive (Side Dungeon) in Scosglen.
Aspect of Ancestral Force (Barbarian)
Unlocked by completing Sunken Ruins (Side Dungeon) in Scosglen.
Aspect of Efficiency (Sorcerer)
Unlocked by completing Domhainne Tunnels (Side Dungeon) in Scosglen.
Aspect of the Dire Whirlwind (Barbarian)
Unlocked by completing Garan Hold (Side Dungeon) in Scosglen.
Aspect of the Relentless Armsmaster (Barbarian)
Unlocked by completing Calibel’s Mine (Side Dungeon) in Scosglen.
Snowveiled Aspect (Sorcerer)
Unlocked by completing Sarat’s Lair (Side Dungeon) in Scosglen.
Edgemaster’s Aspect
Unlocked by completing Oldstones (Side Dungeon) in Scosglen.
Aspect of Quicksand (Druid)
Unlocked by completing Ferals’ Den (Side Dungeon) in Scosglen.
Shadowslicer Aspect (Rogue)
Unlocked by completing Twisted Hollow (Side Dungeon) in Scosglen.
Ghostwalker Aspect
Unlocked by completing Broken Bulwark (Side Dungeon) in Scosglen.
Aspect of Uncanny Treachery (Rogue)
Unlocked by completing Demon’s Wake (Side Dungeon) in Scosglen.
Requiem Aspect (Necromancer)
Unlocked by completing Vault of The Forsaken (Side Dungeon) in Scosglen.
Aspect of Inner Calm
Unlocked by completing Raethwind Wilds (Side Dungeon) in Scosglen.
Death Wish Aspect (Barbarian)
Unlocked by completing Penitent Cairns (Side Dungeon) in Scosglen.
Aspect of Reanimation (Necromancer)
Unlocked by completing Aldurwood (Side Dungeon) in Scosglen.
Bladedancer’s Aspect (Rogue)
Unlocked by completing Jalal’s Vigil (Side Dungeon) in Scosglen.
Crashstone Aspect (Druid)
Unlocked by completing Stockades (Side Dungeon) in Scosglen.
Dry Steppes
Aspect of Potent Blood (Necromancer)
Unlocked by completing Betrayer’s Row (Side Dungeon) in Dry Steppes.
Aspect of the Umbral
Unlocked by completing Champion’s Demise (Side Dungeon) in Dry Steppes.
Shepherd’s Aspect (Druid)
Unlocked by completing Bloodsoaked Crag (Side Dungeon) in Dry Steppes.
Aspect of the Calm Breeze (Druid)
Unlocked by completing Grinning Labyrinth (Side Dungeon) in Dry Steppes.
Aspect of Volatile Shadows (Rogue)
Unlocked by completing Ancient’s Lament (Side Dungeon) in Dry Steppes.
Ravenous Aspect (Rogue)
Unlocked by completing Shifting City (Side Dungeon) in Dry Steppes.
Aspect of Berserk Ripping (Barbarian)
Unlocked by completing Mournfield (Side Dungeon) in Dry Steppes.
Aspect of Perpetual Stomping (Barbarian)
Unlocked by completing Charnel House (Side Dungeon) in Dry Steppes.
Storm Swell Aspect (Sorcerer)
Unlocked by completing Onyx Hold (Side Dungeon) in Dry Steppes.
Aspect of Retaliation (Druid)
Unlocked by completing Seaside Descent (Side Dungeon) in Dry Steppes.
Aspect of the Iron Warrior (Barbarian)
Unlocked by completing Carrion Fields (Side Dungeon) in Dry Steppes.
Aspect of the Bounding Conduit (Sorcerer)
Unlocked by completing Komdor Temple (Side Dungeon) in Dry Steppes.
Aspect of Mending Stone (Druid)
Unlocked by completing Sealed Archives (Side Dungeon) in Dry Steppes.
Aspect of Bursting Bones (Necromancer)
Unlocked by completing Path of the Blind (Side Dungeon) in Dry Steppes.
Aspect of Might
Unlocked by completing Dark Ravine (Side Dungeon) in Dry Steppes.
Aspect of Biting Cold (Sorcerer)
Unlocked by completing Forgotten Depths (Side Dungeon) in Dry Steppes.
Aspect of Unstable Imbuements (Rogue)
Unlocked by completing Whispering Vault (Side Dungeon) in Dry Steppes.
Rapid Aspect
Unlocked by completing Buried Halls (Side Dungeon) in Dry Steppes.
Splintering Aspect (Necromancer)
Unlocked by completing Guulrahn Slums (Side Dungeon) in Dry Steppes.
Trickster’s Aspect (Rogue)
Unlocked by completing Guulrahn Canals (Side Dungeon) in Dry Steppes.
Elementalist’s Aspect (Sorcerer)
Unlocked by completing Pallid Delve (Side Dungeon) in Dry Steppes.
Kehjistan
Aspect of the Changeling’s Debt (Druid)
Unlocked by completing Conclave (Side Dungeon) in Kehjistan.
Incendiary Aspect (Sorcerer)
Unlocked by completing Tomb of the Saints (Side Dungeon) in Kehjistan.
Aspect of Control (Sorcerer)
Unlocked by completing Sunken Library (Side Dungeon) in Kehjistan.
Aspect of Cyclonic Force (Druid)
Unlocked by completing Collapsed Vault (Side Dungeon) in Kehjistan.
Relentless Berserker’s Aspect (Barbarian)
Unlocked by completing Hakan’s Refuge (Side Dungeon) in Kehjistan.
Vengeful Aspect (Rogue)
Unlocked by completing Inferno (Side Dungeon) in Kehjistan.
Wind Striker Aspect
Unlocked by completing Shivta Ruins (Side Dungeon) in Kehjistan.
Aspect of the Damned (Necromancer)
Unlocked by completing Uldur’s Cave (Side Dungeon) in Kehjistan.
Hulking Aspect (Necromancer)
Unlocked by completing Sepulcher of The Forsworn (Side Dungeon) in Kehjistan.
Aspect of the Unwavering (Sorcerer)
Unlocked by completing Putrid Aquifer (Side Dungeon) in Kehjistan.
Aspect of Splintering Energy (Sorcerer)
Unlocked by completing Crumbling Hekma (Side Dungeon) in Kehjistan.
Iron Blood Aspect (Barbarian)
Unlocked by completing Forgotten Ruins (Side Dungeon) in Kehjistan.
Veteran Brawler’s Aspect (Barbarian)
Unlocked by completing Heretic’s Asylum (Side Dungeon) in Kehjistan.
Aspect of Grasping Veins (Necromancer)
Unlocked by completing Corrupted Grotto (Side Dungeon) in Kehjistan.
Aspect of Retribution
Unlocked by completing Abandoned Mineworks (Side Dungeon) in Kehjistan.
Skinwalker’s Aspect (Druid)
Unlocked by completing Fading Echo (Side Dungeon) in Kehjistan.
Aspect of Disobedience
Unlocked by completing Halls of the Damned (Side Dungeon) in Kehjistan.
Stormshifter’s Aspect (Druid)
Unlocked by completing Crusaders’ Cathedral (Side Dungeon) in Kehjistan.
Aspect of Corruption (Rogue)
Unlocked by completing Renegade’s Retreat (Side Dungeon) in Kehjistan.
Needleflare Aspect
Unlocked by completing Yshari Sanctum (Side Dungeon) in Kehjistan.
Opportunist’s Aspect (Rogue)
Unlocked by completing Prison of Caldeum (Side Dungeon) in Kehjistan.
Torturous Aspect (Necromancer)
Unlocked by completing Deserted Underpass (Side Dungeon) in Kehjistan.
Aspect of Echoing Fury (Barbarian)
Unlocked by completing Sirocco Caverns (Side Dungeon) in Kehjistan.
Hawezar
Enshrouding Aspect (Rogue)
Unlocked by completing Ghoa Ruins (Side Dungeon) in Hawezar.
Aspect of Singed Extremities (Sorcerer)
Unlocked by completing Earthen Wound (Side Dungeon) in Hawezar.
Aspect of the Deflecting Barrier
Unlocked by completing Lost Keep (Side Dungeon) in Hawezar.
Earthstriker’s Aspect
Unlocked by completing Maugan’s Works (Side Dungeon) in Hawezar.
Aspect of Siphoned Victuals (Rogue)
Unlocked by completing Leviathan’s Maw (Side Dungeon) in Hawezar.
Aspect of the Rampaging Werebeast (Druid)
Unlocked by completing Endless Gates (Side Dungeon) in Hawezar.
Trickshot Aspect (Rogue)
Unlocked by completing Bastion of Faith (Side Dungeon) in Hawezar.
Aspect of the Tempest (Druid)
Unlocked by completing Blind Burrows (Side Dungeon) in Hawezar.
Aspect of Branching Volleys (Rogue)
Unlocked by completing Shadowed Plunge (Side Dungeon) in Hawezar.
Unyielding Commander’s Aspect (Necromancer)
Unlocked by completing Faceless Shrine (Side Dungeon) in Hawezar.
Sacrificial Aspect (Necromancer)
Unlocked by completing Ruins of Eridu (Side Dungeon) in Hawezar.
Aspect of Shared Misery
Unlocked by completing Oblivion (Side Dungeon) in Hawezar.
Vigorous Aspect
Unlocked by completing Steadfast Barracks (Side Dungeon) in Hawezar.
Prodigy’s Aspect (Sorcerer)
Unlocked by completing Witchwater (Side Dungeon) in Hawezar.
Aspect of the Ursine Horror (Druid)
Unlocked by completing Belfry Zakara (Side Dungeon) in Hawezar.
Aspect of Three Curses (Sorcerer)
Unlocked by completing Serpent’s Lair (Side Dungeon) in Hawezar.
Aspect of Bul-Kathos (Barbarian)
Unlocked by completing Light’s Refuge (Side Dungeon) in Hawezar.
Aspect of Numbing Wrath (Barbarian)
Unlocked by completing Heathen’s Keep (Side Dungeon) in Hawezar.
Snowguard’s Aspect (Sorcerer)
Unlocked by completing Fetid Mausoleum (Side Dungeon) in Hawezar.
Aspect of Ancestral Echoes (Barbarian)
Unlocked by completing Ancient Resevoir (Side Dungeon) in Hawezar.
Fastblood Aspect (Necromancer)
Unlocked by completing Iron Hold (Side Dungeon) in Hawezar.
Blighted Aspect (Necromancer)
Unlocked by completing Akkhan’s Grasp (Side Dungeon) in Hawezar.
Brawler’s Aspect (Barbarian)
Unlocked by completing Haunted Refuge (Side Dungeon) in Hawezar.
Nahantu (Vessel of Hatred Expansion)
Rebounding Aspect (Spiritborn)
Unlocked by completing Forge of Malice (Side Dungeon) in Nahantu.
Aspect of Wild Claws (Spiritborn)
Unlocked by completing Heirophant Pyre (Side Dungeon) in Nahantu.
Unrelenting Aspect (Spiritborn)
Unlocked by completing Remnants of Rage (Side Dungeon) in Nahantu.
Reaper’s Aspect (Spiritborn)
Unlocked by completing Murmuring Spiral (Side Dungeon) in Nahantu.
Aspect of Bristling Vengeance (Spiritborn)
Unlocked by completing Iron Cenotaph (Side Dungeon) in Nahantu.
Bristleback Aspect (Spiritborn)
Unlocked by completing Razak’s Descent (Side Dungeon) in Nahantu.
Aspect of Haste (Spiritborn)
Unlocked by completing Seething Underpass (Side Dungeon) in Nahantu.
Aspect of Tenacity (Spiritborn)
Unlocked by completing Feeding Grounds (Side Dungeon) in Nahantu.
Aspect of Temporal Incisions (Spiritborn)
Unlocked by completing Putrescent Larder (Side Dungeon) in Nahantu.
Insatiable Aspect (Spiritborn)
Unlocked by completing Betrayed Tomb (Side Dungeon) in Nahantu.
Fell Soothsayer’s Aspect (Spiritborn)
Unlocked by completing Ularian Sepulcher (Side Dungeon) in Nahantu.
Aspect of Pestilence (Spiritborn)
Unlocked by completing Hallowed Stones (Side Dungeon) in Nahantu.
Aspect of Falling Feathers (Spiritborn)
Unlocked by completing Vile Hive (Side Dungeon) in Nahantu.
Aspect of Momentum (Spiritborn)
Unlocked by completing Beast Graveyard (Side Dungeon) in Nahantu.
Aspect of Turbulence (Spiritborn)
Unlocked by completing Ruined Wild (Side Dungeon) in Nahantu.
Tormentor’s Aspect (Spiritborn)
Unlocked by completing Forgotten Remains (Side Dungeon) in Nahantu.
Aspect of Deflection (Spiritborn)
Unlocked by completing Sleepless Hollow (Side Dungeon) in Nahantu.
Aspect of Kinetic Suppression (Spiritborn)
Unlocked by completing Farai Cliffs (Side Dungeon) in Nahantu.
Aspect of Apprehension (Spiritborn)
Unlocked by completing Skatsimi Fane (Side Dungeon) in Nahantu.
Bruiser’s Aspect (Spiritborn)
Unlocked by completing Caves of Kutokue (Side Dungeon) in Nahantu.
That’s all 135 Codex of Power Aspects in Diablo 4 (IV). For all other Collectible types refer to Diablo 4 Collectible Guide.
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