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Honkai: Star Rail
Shadow of Feixiao and Ecliptic Inner Beast Boss Guide and Best Teams
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Check out this guide on how to beat the Feixiao Boss fight, also known as Shadow of Feixiao and Ecliptic Inner Beast in Honkai: Star Rail. We also have the Feixiao boss fight's best teams, weaknesses, drops, and abilities.
List of Contents
Shadow of Feixiao and Ecliptic Inner Beast Boss Fight Overview
Feixiao Boss Basic Info
| Shadow of Feixiao and Ecliptic Inner Beast Information | |
|---|---|
 Shadow of Feixiao and Ecliptic Inner Beast |
|
| World | Xianzhou Luofu |
| Weaknesses | 
|
| Resistances | Control Effects RES |
Feixiao Boss Summon Info
 Nebula Devourer (Phase 2 and 3) |
Weaknesses | 
|
|---|---|---|
| Resistances | Control Effects RES | |
 Planeshred Claws (Phase 2 and 3) |
Weaknesses |
|
| Resistances | Control Effects RES | |
 Worldpurge Tail (Phase 2 and 3) |
Weaknesses |
|
| Resistances | Control Effects RES |
Feixiao Boss Fight Best Teams
Free to Play Team
| F2P Team | |||
|---|---|---|---|
 Xueyi
|
 Asta
|
 March 7th (Imaginary)
|
 Lynx
|
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.
Fire DPS Team
| Fire DPS | |||
|---|---|---|---|
 Firefly
|
 Trailblazer (Imaginary)
|
 Ruan Mei
|
 Lingsha
|
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. Lingsha scales with Break Effect and heals the party.
Physical DPS Team
| Physical DPS | |||
|---|---|---|---|
 Boothill
|
 Sunday
|
 Fugue
|
 Gallagher
|
Despite being a single-target DPS, Boothill can perform extremely well thanks to his high Toughness and Break DMG. Sunday 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 | |||
|---|---|---|---|
 Qingque
|
 Sparkle
|
 Silver Wolf
|
 Fu 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 | |||
|---|---|---|---|
 Feixiao
|
 Topaz
|
 Robin
|
 Aventurine
|
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 Feixiao 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. |
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. |
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. |
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 | |||
|---|---|---|---|
|
Quantum
|
Physical
|
Fire
|
|
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 Location
Trailblaze Continuance Boss
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 Drops and Rewards
Shadow of Feixiao and Ecliptic Inner Beast Drops
| Ascension Mats and Relics | |||
|---|---|---|---|
 Auspice Sliver
|
 Lucent Afterglow
|
 The Ashblazing Grand Duke
|
 Watchmaker, Master of Dream Machinations
|
| Possible Light Cone Drops | |||
 What Is Real
|
 Dreamville Adventure
|
 Final Victor
|
 Flames Afar
|
 Destiny’s Threads Forewoven
|
 The Day The Cosmos Fell
|
 It’s Showtime
|
|
Other Item Drops
| Items Dropped | ||
|---|---|---|
 Credit
|
 Trailblaze EXP
|
|
Characters that Use Shadow of Feixiao and Ecliptic Inner Beast Boss Materials
|
Lingsha
|
 Moze
|
All Character Ascension & Trace Materials
Honkai: Star Rail Related Guides
Echoes of War Weekly Bosses
Echoes of War Weekly Bosses and Drops
Stagnant Shadows Field Bosses
Comment
7 
Anonymous 11 months
Anonymous 11 monthsHow to kill that boss QUICKLY? I don't have the recommended units and thus can only get one of them per support. All other Weeklies are done in a blink compared to this bitch.
Author
Shadow of Feixiao and Ecliptic Inner Beast Boss Guide and Best Teams
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You're all saying she... It's Hoolay. Using her likeness and her past/current pain, trying to get her to lose it, she doesn't rise to these taunts 👍