Honkai: Star Rail

Shadow of Feixiao and Ecliptic Inner Beast Boss Guide and How to Beat

Honkai Star Rail - Shadow of Feixiao and Ecliptic Inner Beast Enemy Guide

Check out this guide to learn how to beat the Feixiao Boss fight, also known as Shadow of Feixiao and Ecliptic Inner Beast in Honkai: Star Rail. We also have full details on the Feixiao boss fight's best teams, weaknesses, drops, and abilities.

Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Overview

Shadow of Feixiao and Ecliptic Inner Beast Basic Info

Shadow of Feixiao and Ecliptic Inner Beast Information
Honkai Star Rail (HSR) - Shadow of Feixiao and Ecliptic Inner Beast Shadow of Feixiao and Ecliptic Inner Beast
World Xianzhou Luofu
Weaknesses
Physical Fire Quantum
Resistances Control Effects RES

Shadow of Feixiao and Ecliptic Inner Beast Summon Info

Honkai Star Rail - Nebula DevourerNebula Devourer
(Phase 2 and 3)
Weaknesses
QuantumWindFire
Resistances Control Effects RES
Honkai Star Rail - Planeshred ClawsPlaneshred Claws
(Phase 2 and 3)
Weaknesses
WindFire
Resistances Control Effects RES
Honkai Star Rail - Worldpurge TailWorldpurge Tail
(Phase 2 and 3)
Weaknesses
QuantumPhysical
Resistances Control Effects RES

Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Location

Trailblaze Continuance Boss

Honkai Star Rail - Finest Duel Under the Pristine Blue Part II.png

The Shadow of Feixiao and Ecliptic Inner Beast is a boss you will first encounter during the Trailblaze Continuance, Finest Duel Under the Pristine Blue: Part II.

Finest Duel Under the Pristine Blue II Guide

Found in the Skysplitter

Location Skysplitter, Xianzhou Luofu

Shadow of Feixiao and Ecliptic Inner Beast is a weekly Echoes of War Boss that can be unlocked after completing the Under the Spell mission during the Finest Duel Under the Pristine Blue: Part II Trailblaze Continuance!

You can find the Echoes of War in the Skysplitter area of the Xianzhou Luofu.

Echoes of War Weekly Bosses and Drops

Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Best Teams

Free to Play Team

F2P Team
Star Rail - XueyiXueyi Star Rail - AstaAsta Star Rail - March 7th (Imaginary)March 7th (Imaginary) Star Rail - LynxLynx

March 7th (The Hunt) synergizes with Xueyi as her Shifu and since Xueyi is Quantum, March can also reduce the Toughness of Quantum weak enemies with her attacks.

Inflicting Weakness Break on parts of Shadow of Feixiao is the key to this battle, so both do well in this regard. Asta buffs the team's SPD and ATK while Lynx heals and cleanses the team's debuffs.

List of All Free Characters

Fire DPS Team

Fire DPS
Star Rail - FireflyFirefly Star Rail - Trailblazer (Imaginary)Trailblazer (Imaginary) Star Rail - Ruan MeiRuan Mei Star Rail - GallagherGallagher

Firefly does very well in this fight since she can hit multiple enemies with her abilities and easily inflict Weakness Break on them. Trailblazer (Imaginary) increases the team's Break Effect while providing Super Break DMG.

Ruan Mei is amazing here since she can increase Break Efficiency for the whole party, along with the other offensive buffs she brings. Gallagher scales with Break Effect and heals the party.

Physical DPS Team

Physical DPS
Star Rail - BoothillBoothill Star Rail - BronyaBronya Star Rail - Ruan MeiRuan Mei Star Rail - GallagherGallagher

Despite being a single-target DPS, Boothill can perform extremely well thanks to his high Toughness and Break DMG. Bronya can provide more turns to Boothill to help him inflict Weakness Break on the Shadow of Feixiao and her summons.

Quantum DPS Team

Quantum DPS
Star Rail - QingqueQingque Star Rail - SparkleSparkle Star Rail - Silver WolfSilver Wolf Star Rail - Fu XuanFu Xuan

Qingque works here as well since she can damage multiple enemies with her Enhanced Basic ATK. Sparkle provides the team with Skill Points and can Advance Forward Qingque, along with providing other offensive buffs.

Silver Wolf can implant a missing Weakness on a summon that doesn't have a Quantum Weakness.

Wind DPS Team

Wind DPS
Star Rail - FeixiaoFeixiao Star Rail - TopazTopaz Star Rail - RobinRobin Star Rail - AventurineAventurine

Feixiao also does well in this fight since some enemies are weak to Wind and her Ultimate can ignore enemy Weaknesses. With Topaz and Aventurine, Feixiao can easily get stacks of Flying Aureus thanks to their Follow-Up Attacks.

Topaz increases the Follow-up attack DMG enemies take while Aventurine increases the CRIT DMG they take and provide shields for the team.

How to Beat Shadow of Feixiao & Ecliptic Inner Beast Boss Fight

Inflict Weakness Break to Remove Safeguard

The Shadow of Feixiao and her summons will receive less damage thanks to their Safeguard talent. To remove Safeguard on an enemy, you must inflict Weakness Break on it.

Inflict Weakness Break on the Resonating Part to Advance Forward

Starting from Phase 2 onwards, you will have to deal with the Resonating Parts. Inflict Weakness Break on the Resonating Part to deal increased damage on it and have all allies advance forward in the turn order.

We recommend inflicting Weakness Break on the Nebula Devourer first to prevent it from inflicting Outrage on your party members.

Inflict Weakness Break on All Parts to Prevent Massive DMG

In Phase 3, the Shadow of Feixiao can use Wreathed in Storm to charge up and unleash Sweep the Heavens, Swallow the Earth on her next turn. This party-wide attack will deal increased DMG depending on how many summons that have yet to be Weakness Broken.

Your goal here is to Weakness Break all of the summons to reduce the damage dealt. You can easily do this by taking out one part at a time since inflicting Weakness Break will advance all party members in the turn order.

Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Talents and Abilities

All Boss Fight Phases
Phase 1 Phase 2 Phase 3

Phase 1 - Shadow of Feixiao and Ecliptic Inner Beast Skills

All Talents and Abilities
Gunblade: Swordfang (Ability)
Deals Wind DMG to one designated Party target.
Great Ax: Irontalon (Ability)
Deals Wind DMG to a single target, with a high chance to inflict Weaken.
Heaven's Binds (Ability)
Enhances self to gain additional action.
Passing Tempest (Ability)
Deals Wind DMG to all Party targets.
Safeguard (Talent)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Return to All Phases ▲

Phase 2 - Shadow of Feixiao and Ecliptic Inner Beast Skills

All Talents and Abilities
Beastbond Strike (Ability)
The additional action from Shadow of "Feixiao" will resonate with the Ecliptic Inner Beast's body parts. Resonance will restore a certain amount of Toughness for the Ecliptic Inner Beast's parts and increase the Toughness value reduced when attacked. The next action becomes Enhanced. Resonance with "Nebula Devourer" has a high chance of inflicting Outrage on all Party targets. Resonance with "Planeshred Claws" additionally greatly increases DMG. Resonance with "Worldpurge Tail" has a high chance of inflicting Weaken on all Party targets.
Gunblade: Swordfang (Ability)
Deals Wind DMG to one designated Party target.
Great Ax: Irontalon (Ability)
Deals Wind DMG to a single target, with a high chance to inflict Weaken.
Heaven's Binds (Ability)
Enhances self to gain additional action.
Safeguard (Talent)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Return to All Phases ▲

Phase 3 - Shadow of Feixiao and Ecliptic Inner Beast Skills

All Talents and Abilities
Sweep the Heavens, Swallow the Earth (Ability)
Deals massive Wind DMG to all Party targets and Enhances this unit based on the parts that have yet to be Weakness Broken. Every part that has yet to be Broken will increase the DMG dealt by this ability, and this ability will enhance the parts that are not Weakness Broken.
Beastbond Strike (Ability)
The additional action from Shadow of "Feixiao" will resonate with the Ecliptic Inner Beast's body parts. Resonance will restore a certain amount of Toughness for the Ecliptic Inner Beast's parts and increase the Toughness value reduced when attacked. The next action becomes Enhanced. Resonance with "Nebula Devourer" has a high chance of inflicting Outrage on all Party targets. Resonance with "Planeshred Claws" additionally greatly increases DMG. Resonance with "Worldpurge Tail" has a high chance of inflicting Weaken on all Party targets.
Gunblade: Swordfang (Ability)
Deals Wind DMG to one designated Party target.
Great Ax: Irontalon (Ability)
Deals Wind DMG to a single target, with a high chance to inflict Weaken.
Heaven's Binds (Ability)
Enhances self to gain additional action.
Wreathed in Storm (Ability)
Resonates with all parts of the Ecliptic Inner Beast and dispels their Weakness Broken state. This unit cannot be attacked before its next action. In the next action, this unit will use "Sweep the Heavens, Swallow the Earth" on all Party targets.
Safeguard (Talent)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Return to All Phases ▲

Summoned Enemies Talents and Abilities

Nebula Devourer Skills

All Talents and Abilities
Breathing Ether (Ability)
Use while in the Resonate State. Deals Wind DMG to all targets, with a high chance to inflict Outrage.
Nebula Eater (Ability)
Deals minor Wind DMG to all targets.
Safeguard (Ability)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Planeshred Claws Skills

All Talents and Abilities
Firmament Divider (Ability)
Use while in the Resonance state. Deals massive Wind DMG to one designated Party target and any adjacent targets.
Plane Shred (Ability)
Deals minor Wind DMG to one designated Party target and any adjacent targets.
Safeguard (Ability)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Worldpurge Tail Skills

All Talents and Abilities
Realm Exterminator (Ability)
Use while in the Resonate State. Deals Wind DMG to all targets, with a high chance to inflict Weaken.
Worldpurge (Ability)
Deals minor Wind DMG to all Party targets.
Safeguard (Ability)
Enters the Safeguard state. While not Weakness Broken, reduces DMG received. Once Weakness is Broken, action will be delayed. After Weakness is Broken, increases DMG received.

Shadow of Feixiao and Ecliptic Inner Beast Boss Weaknesses & Resistances

Weaknesses

Shadow of Feixiao and Ecliptic Inner Beast Weaknesses
Star Rail - QuantumQuantum Star Rail - PhysicalPhysical Star Rail - FireFire

Use the characters with the same elements above to easily defeat Shadow of Feixiao and Ecliptic Inner Beast!

Resistances

All Resistances
Resistances Control Effects RES

Avoid using characters with the elements or skills the same as the above. It will lessen the damage against Shadow of Feixiao and Ecliptic Inner Beast!

Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Drops and Rewards

Shadow of Feixiao and Ecliptic Inner Beast Drops

Ascension Mats and Relics
Star Rail - Auspice Sliver Item Auspice Sliver Star Rail - Lucent Afterglow Item Lucent Afterglow Star Rail - The Ashblazing Grand Duke The Ashblazing Grand Duke Star Rail - Watchmaker, Master of Dream Machinations Watchmaker, Master of Dream Machinations
Possible Light Cone Drops
Star Rail - What Is Real Light Cone What Is Real Star Rail - Dreamville Adventure Light Cone Dreamville Adventure Star Rail - Final Victor Light Cone Final Victor Star Rail - Flames Afar Light Cone Flames Afar
Star Rail - Destiny’s Threads Forewoven Light Cone Destiny’s Threads Forewoven Star Rail - The Day The Cosmos Fell Light Cone The Day The Cosmos Fell Star Rail - It’s Showtime Light Cone It’s Showtime

All Items List

Other Item Drops

Items Dropped
Credit ItemCredit Trailblaze EXP ItemTrailblaze EXP

Characters that Use Shadow of Feixiao and Ecliptic Inner Beast Boss Materials

Star Rail - Lingsha ItemLingsha Star Rail - Moze ItemMoze

All Character Ascension & Trace Materials

Honkai: Star Rail Related Guides

Honkai Star Rail - Bosses
List of All Bosses

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Echoes of War Weekly Bosses and Drops

Stagnant Shadows Field Bosses

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Honkai Star Rail - Stagnant Shadows - Shape of FulminationGuardian Shadow Honkai Star Rail - Stagnant Shadows - Shape of GustStormbringer Honkai Star Rail - Stagnant Shadows - Shape of QuantaVoidranger - Trampler
Honkai Star Rail - Stagnant Shadows - Shape of CelestialThe Ascended Honkai Star Rail - Stagnant Shadows - Shape of PuppetryAurumaton Gatekeeper Honkai Star Rail - Stagnant Shadows - Shape of AbominationAbundance Sprite - Malefic Ape
Honkai Star Rail - Stagnant Shadows - Shape of CelestialSearing Prowler Honkai Star Rail - Stagnant Shadows - Shape of PerditionAurumaton Spectral Envoy Honkai Star Rail - Stagnant Shadows - Shape of NectarDreamjolt Troupe's Sweet Gorilla
Honkai Star Rail - Stagnant Shadows - Shape of RoastDreamjolt Troupe's Beyond Overcooked Honkai Star Rail - Stagnant Shadows - Shape of IreMemory Zone Meme - Shell of Faded Rage Honkai Star Rail - Stagnant Shadows - Shape of DutySenior Staff - Team Leader
Honkai Star Rail - Present Inebriated in RevelryPresent Inebriated in Revelry Honkai Star Rail - Howling CasketHowling Casket

Stagnant Shadow Field Bosses and Drops

Comment

6 Anonymous17 days

Coming back to star rail after almost a year and fighting this boss without break effect characters was like when Qual woke up to frieren and his spells got powercrept

5 Anonymous28 days

most fucked up boss ive ever fought in this goddamn game

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