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Honkai: Star Rail
Flame Reaver of the Deepest Dark Boss Guide
♦ New: Tier List maker and community tier list contest!
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Flame Reaver of the Deepest Dark is a boss enemy in Honkai: Star Rail. See its best teams, weaknesses, and how to beat Flame Reaver in this boss guide!
List of Contents
Flame Reaver of the Deepest Dark Information
Flame Reaver Details
| Flame Reaver of the Deepest Dark Information | |
|---|---|
 Flame Reaver of the Deepest Dark |
|
| World | Amphoreus |
| Weaknesses | 
|
| Resistances |
Frozen RES
Imprisonment RES Entanglement RES |
Flame Reaver of the Deepest Dark Best Teams
The Herta Erudition Team
| The Herta DPS | |||
|---|---|---|---|
 The Herta
|
 Jade
|
 Tribbie
|
 Lingsha
|
The Herta and Serval can work against the Flame Reaver. Buildup Interpretation stacks with your units to deal a lot of damage to the Flame Reaver with The Herta's Enhanced Skill.
Acheron Nihility Team
| Acheron DPS | |||
|---|---|---|---|
 Acheron
|
 Jiaoqiu
|
 Pela
|
 Aventurine
|
Acheron can also work here thanks to her high-damaging Ultimate. Use Nihility units like Jiaoqiu and Pela to debuff the Savage and Mad God while providing Acheron some Slashed Dream stacks for her Ultimate.
Jing Yuan Summon Team
| Jing Yuan DPS | |||
|---|---|---|---|
 Jing Yuan
|
 Sunday
|
 Robin
|
Aventurine
|
Jing Yuan can also work here especially if Sunday is on the team. Use Sunday and Robin to buff and advance forward Jing Yuan and his Lightning-Lord.
Free to Play Team
| F2P Team | |||
|---|---|---|---|
 Serval
|
 Herta
|
 Trailblazer (Ice)
|
 Lynx
|
For this free-to-play team, use Serval and Herta pairing to take on the Flame Reaver. The Remembrance Trailblazer can help deal additional True DMG and provide turn advance to either DPS.
If you still haven't unlocked the Remembrance Trailblazer, you can use other Supports like Asta.
How to Beat Flame Reaver
Take Out Long-Shattered Vessels
Take out the Long-Shattered Vessels the Flame Reaver summons since they allow it to use Underworld's Grief, which is a Joint ATK that deals massive Physical DMG.
Once the vessels are out, they will fail to buff or heal the Flame Reaver and prevent it from obtaining Calamity Power.
Flame Reaver of the Deepest Dark Weaknesses and Resistances
Weaknesses
| Flame Reaver of the Deepest Dark Weaknesses | |||
|---|---|---|---|
|
Quantum
|
Lightning
|
Ice
|
|
Use the characters with the same elements above to Weakness Break and defeat Flame Reaver of the Deepest Dark!
Resistances
| All Resistances | |
|---|---|
| Resistances |
Frozen RES
Imprisonment RES Entanglement RES |
Avoid using characters with the elements or skills the same as the above. They are not effective against Flame Reaver of the Deepest Dark!
Flame Reaver of the Deepest Dark Talents and Abilities
Flame Reaver Skills
| All Boss Fight Phases | ||
|---|---|---|
| Phase 1 | Phase 2 | |
Phase 1 - Flame Reaver Skills
| All Talents and Abilities | |
|---|---|
| ◆ | Demise's Storm (Ability) Deals Physical DMG to one designated target and units adjacent to the target. |
| ◆ | Fading Fate (Ability) Deals Physical DMG to all targets. Converts a portion of the hit target's reduced HP to "Corrosion". |
| ◆ | Roads Mingled (Ability) Causes "Long-Shattered Vessel" to enter the "Mutual Sacrifice" state. Uses "Underworld's Grief" in a certain number of turns. |
| ◆ | Underworld's Grief (Ability) Unleashes "Demise's Storm" or "Fading Fate" together with "Long-Shattered Vessel." Then, absorbs "Long-Shattered Vessel" to heal this unit and obtains "Calamity Power." |
| ◆ | But Suffering is Essential (Ability) Consumes all "Calamity Power" and deals several instances of minor Physical DMG hits to all targets, where the more consumed "Calamity Power" stacks, the higher the instances of DMG. Then, deals minor Physical DMG to all targets. |
| ◆ | Pain of Parting (Talent) When using "Demise's Storm" or "Fading Fate," consumes HP to summon "Long-Shattered Vessel" and convert the consumed HP into "Entangled By Agony." If the "Long-Shattered Vessel" summoned by this attack is defeated, additionally deals Physical DMG to this unit. When this unit uses "Demise's Storm" or "Fading Fate" again, the "Long-Shattered Vessel" that was summoned by the attacking ability will attack together with this unit. This unit will then absorb the Vessel, restoring the HP that was converted to "Entangled By Agony" and granting "Calamity Power" to this unit. |
| ◆ | Resolute Farewell (Talent) Receives a certain number of stacks of "DMG reduction," reducing DMG received by this unit. 1 stack is lost after defeating 1 "Long-Shattered Vessel." |
Phase 2 - Flame Reaver Skills
| All Talents and Abilities | |
|---|---|
| ◆ | Demise's Storm (Ability) Deals Physical DMG to one designated target and units adjacent to the target. |
| ◆ | Fading Fate (Ability) Deals Physical DMG to all targets. Converts a portion of the hit target's reduced HP to "Corrosion". |
| ◆ | Roads Mingled (Ability) Causes "Long-Shattered Vessel" to enter the "Mutual Sacrifice" state. Uses "Underworld's Grief" in a certain number of turns. |
| ◆ | Underworld's Grief (Ability) Unleashes "Demise's Storm" or "Fading Fate" together with "Long-Shattered Vessel." Then, absorbs "Long-Shattered Vessel" to heal this unit and obtains "Calamity Power." |
| ◆ | Silent Sorrow (Ability) Obtains "Calamity Power" and enters the "Silent Sorrow" state. Uses "Cry Not For The Discarded" in the next action. |
| ◆ | Cry Not For The Discarded (Ability) Deals Physical DMG to all targets and consumes all "Calamity Power" to additionally deal several instances of minor Physical DMG. The more consumed "Calamity Power" stacks, the higher the instances of DMG. |
| ◆ | Pain of Parting (Talent) When using "Demise's Storm" or "Fading Fate," consumes HP to summon "Long-Shattered Vessel" and convert the consumed HP into "Entangled By Agony." If the "Long-Shattered Vessel" summoned by this attack is defeated, additionally deals Physical DMG to this unit. When this unit uses "Demise's Storm" or "Fading Fate" again, the "Long-Shattered Vessel" that was summoned by the attacking ability will attack together with this unit. This unit will then absorb the Vessel, restoring the HP that was converted to "Entangled By Agony" and granting "Calamity Power" to this unit. |
| ◆ | Lost Sacrifice (Talent) When using "Silent Sorrow," consumes HP to summon a "Long-Shattered Vessel" and converts the consumed HP into "Entangled By Agony." When stacks of "Calamity Power" are not at 0 and if a "Long-Shattered Vessel" receives a killing blow, immediately consumes 1 stack of "Calamity Power" and a percentage of HP to re-resummon a "Long-Shattered Vessel." When using "Cry Not For The Discarded," absorbs any "Long-Shattered Vessel" and restores the HP that was converted to "Entangled By Agony." |
| ◆ | Resolute Farewell (Talent) Receives a certain number of stacks of "DMG reduction," reducing DMG received by this unit. 1 stack is lost after defeating 1 "Long-Shattered Vessel." |
Where to Find Flame Reaver
Flame Reaver of the Deepest Dark Location
Flame Reaver of the Deepest Dark can be encountered during the Trailblaze Mission, Light Slips the Gate, Shadow Greets the Throne, which was released in Version 3.1.
Light Slips the Gate, Shadow Greets the Throne Mission Guide
Apocalyptic Shadow Boss
Flame Reaver of the Deepest is one of the enemies found in the Apocalyptic Shadow endgame mode.
Apocalyptic Shadow Guide for Version 3.4
Memory of Chaos Boss
Flame Reaver of the Deepest is one of the enemies found in the Memory of Chaos endgame mode.
Memory of Chaos Guide for Version 3.4
Flame Reaver of the Deepest Dark Drops
Flame Reaver of the Deepest Dark Material Drops
| We're currently investigating. Come back soon! |
Characters that Use Flame Reaver of the Deepest Dark Materials
| We're currently investigating. Come back soon! |
All Character Ascension & Trace Materials
Light Cones that Use Flame Reaver of the Deepest Dark Materials
| We're currently investigating. Come back soon! |
All Light Cone Ascension Materials
Honkai: Star Rail Related Guides
All Enemies and Weaknesses Guide
Other Elite Enemies
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Flame Reaver of the Deepest Dark Boss Guide
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