There are sixteen recorded Aeons in Honkai: Star Rail. See the list of all Aeons and how to unlock them in this guide!

List of All Aeons in Honkai Star Rail

All Known Aeons and Their Paths

List of All Known Aeons
Nanook The Destruction	Xipe The Harmony	Yaoshi The Abundance
IX The Nihility	Lan The Hunt	Nous The Erudition
Qlipoth The Preservation	Tayzzyronth The Propagation	Aha The Elation
Fuli The Remembrance	Akivili The Trailblaze	HooH The Equilibrium
Idrila The Beauty	Mythus The Enigmata	Oroboros The Voracity
Ena The Order

Nanook Aeon Information

Nanook the Destruction

• Path: The Destruction
• Factions: Antimatter Legion, Annihilation Gang

Nanook commands the Antimatter Legion in an attempt to cleanse the tainted universe. Despite waging many wars, destruction for the sake of chaos is not the Aeon's goal. Those who destroy out of selfish desires are only met with Nanook's scorn.

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Xipe Aeon Information

Xipe the Harmony

• Path: The Harmony
• Factions: The Family

Xipe is an Aeon with a thousand faces, fused from multiple worlds. Presiding over Penacony, the Planet of Festivities, they believe that others must work together in harmony to reach happiness and protect each other.

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Yaoshi Aeon Information

Yaoshi the Abundance

• Path: The Abundance
• Factions: Denizens of Abundance, Elixir Seekers

Yaoshi is a kind Aeon that acts in hopes of curing the diseased and prolonging life. Despite the goodwill behind it, the gift of immortality backfired on others and led to the ongoing hunt against those who tread the path of Abundance.

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IX Aeon Information

IX the Nihility

• Path: The Nihility
• Factions: Doctors of Chaos, Device IX

IX is a passive, yet powerful Aeon that sees no meaning to the universe. The nihility of the Aeon captivated the Doctors of Chaos, who ironically ended up striving to go against their so-called meaningless destiny.

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Lan Aeon Information

Lan the Hunt

• Path: The Hunt
• Factions: Xianzhou Alliance, Galaxy Rangers

Lan is an unyielding Aeon that aims to stop any efforts to reach immortality. As a result, they directly oppose Yaoshi the Abundance and remain on the hunt with the Xianzhou Alliance to take down undead abominations.

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Nous Aeon Information

Nous the Erudition

• Path: The Erudition
• Factions: Genius Society, Intelligentsia Guild

Nous was a supercomputer built to solve all the mysteries of the world before it ascended to Aeonhood. It believes that the answer to the universe is beyond human comprehension. Those who can understand the fact are granted with the Aeon's guidance.

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Qlipoth Aeon Information

Qlipoth the Preservation

• Path: The Preservation
• Factions: Interastral Peace Corporation (IPC), The Architects

Qlipoth is known as one of the oldest Aeons, but not much information has been recorded about them. The Aeon has a long history of building giant, protective walls for unknown reasons. Moved by this, many followed suit in hopes of protecting their homeland.

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Other Aeons in Honkai: Star Rail

Information on Other Aeons

Aha the Elation	• A chaotic Aeon that acts on their whims and tends to cause trouble. • They believe that only the wise and sentient can experience joy and that laughter can bring others to new heights.
Akivili the Trailblaze	• An Aeon that explored worlds across the universe using the Astral Express. • Although they have long since fallen due to an accident, Akivili's will continues to live on through their loyal followers.
Fuli the Remembrance	• A mysterious Aeon that does not often appear before mortals. • They exist to record all events in history and keep the truth immortalized.
HooH the Equilibrium	• An Aeon that strives to keep all things in the universe in balance. • They believe that existence and nothingness are destined to attain perfect balance with enough time.
Idrila the Beauty	• An Aeon who found meaning in the universe through the constantly changing concepts of beauty. • Although Idrila is assumed to have fallen after they vanished, others believe they are still alive.
Mythus the Enigmata	• An Aeon who believes that finite knowledge destroys the infinite possibilities of the universe. • Mythus and their followers strive to make others continuously question the world around them.
Oroboros the Voracity	• An Aeon that is also a Leviathan with an endless desire to devour. • They believe that the world is an insignificant fragment destined to be consumed by the darkness.
Tayzzyronth the Propagation	• Also known as the Sand King, they are an Aeon whose path was a result of their loneliness as the last member of their land. • They infinitely duplicated themselves, creating the Swarm that brought chaos to many worlds.
Ena the Order	• An Aeon that represented the Path of Order when they were still alive. • Ena was absorbed by Xipe when Xipe ascended into Aeonhood, due to their paths colliding and sharing the same ideals.

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How to Unlock All Aeons and Dev Logs

Aeon Encounters and Blessings Unlocked

Aeon	How to Unlock and Buffs Granted
Qlipoth	Finish The Voyage Continues • Blessings of Preservation • Buffs DEF and Shield Strength. • Grants effects and extra stats that scale from DEF and Shield Strength.
Fuli	Finish Simulated Universe: Second Closed Beta • Blessings of Remembrance • Buffs damage against Frozen enemies. • Grants effects that increase chances of freezing enemies.
Aha	Finish Simulated Universe: Second Closed Beta • Blessings of Elation • Buffs damage from Follow-Up Attacks. • Grants stat buffs when characters do Follow-Up Attacks.
Lan	Finish Simulated Universe (Part 2) • Blessings of The Hunt • Advances character turns and increases ATK and CRIT stats. • Grants extra buffs after characters defeat an enemy.
Nanook	Challenge Simulated Universe World 3 • Blessings of Destruction • Provides DMG reduction. • Grants stat buffs when characters lose HP.
IX	Challenge Simulated Universe World 4 • Blessings of Nihility • Increases DoT DMG and buffs stats when DoT is applied to enemies. • Grants extra effects when Weakness Break is inflicted.
Yaoshi	Challenge Simulated Universe World 5 • Blessings of Abundance • Increases healing effects and deals extra DMG that scales from healing. • Grants stat buffs when characters are healed in battle.
Tayzzyronth	Encounter during Swarm Disaster: Experimental Teaching (II) • Blessings of Propagation • Increases Basic ATK DMG and provides effects that regenerate extra Skill Points. • Grants stat buffs when Skill Points are consumed or recovered.
Nous	Encounter during Gold and Gears: IPC Secrets (I) • Blessings of Erudition are already unlocked prior to the Aeon encounter. • Increases Ultimate and AoE Attack DMG and provides buffs when using them. • Occasionally recharges character Energy, allowing you to use Ultimates repeatedly.

Collect 18 Path Blessings

You gain access to the first Dev Log of an Aeon upon meeting them for the first time. To unlock the second Dev Log, you only need to obtain 18 Blessings from the Aeon's corresponding path.

Collect Swarm Disaster Chapters

In the case of Tayzzyronth's second Dev Log as well as the third Dev Logs of the other Aeons, you need to unlock their corresponding Path chapters in the Swarm Disaster Gameplay mode.

How to Unlock All Swarm Disaster Chapters

Get All Aeon Secrets in Gold and Gears

For Nous' second Dev Log, you will need to unlock all Aeon Secrets in the Gold and Gears gameplay mode. This can be done by unlocking Trailblaze Secrets for each plane.

How to Unlock All Trailblaze and Aeon Secrets

Other Aeon Encounters

Random Aeon Encounters
Xipe	Ena
Oroboros	HooH

This section requires further testing for unlock conditions. Please stay tuned for updates!

The following Aeons were added to the index in Version 1.6. Although they do not have any Path Blessings associated with them yet, their first Dev Logs will likely become available once you encounter them in Swarm Disaster or Gold and Gears.

Are Aeons Playable in Honkai: Star Rail?

Currently Not Playable

At this point, Aeons are still not available as playable characters in Honkai: Star Rail. It is also still unknown if any of them will become playable in the future, especially for Aeons who are presumed to be deceased already.

Encounter Them in the Simulated Universe

You can, however, encounter a few of the Aeons in the Simulated Universe. As you progress through the Worlds, you will meet these Aeons and unlock Blessings to make your team stronger.

List of All Paths in Simulated Universe

What are Aeons?

Embodiments of Philosophical Values

Aeons are godlike beings and are regarded as physical embodiments of the concepts that they uphold. With their great power, Aeons can offer Blessings to those who tread on the same path as them.

Collecting enough Path Blessings in the Simulated Universe will allow you to unlock an Aeon's second Dev Log entry to help you learn more about their history.

Simulated Universe Guide