Vulnerability

Vulnerability
Type	Combat Stats

Vulnerability, also known as DMG Taken, is a hidden stat in Honkai: Star Rail that multiplicatively increases DMG taken by a target.

Vulnerability may apply to all DMG, a specific element, or DoTs. Different sources of Vulnerability stack additively.

Vulnerability can be modified by certain character abilities as well as special buffs such as those in the Simulated Universe. Although the in-game wording for related effects is inconsistent, effects described to "increase DMG taken/received" generally modify the Vulnerability stat.

Abilities

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15 abilities increase Vulnerability of enemies:

Character	Name	Description	Type	Tag
Black Swan Black Swan	Bliss of Otherworld's Embrace Bliss of Otherworld's Embrace	Inflicts Epiphany on all enemies for 2 turn(s). While afflicted with Epiphany, enemies take 15%—27% increased DMG in their turn. Additionally, if enemies are also inflicted with ArcanaArcanaArcana is a debuff that deals DMG over time. This debuff cannot be dispelled. While in the Arcana state, the unit is also considered to be in the Wind Shear state and takes Wind DoT at the start of each turn. The infliction of Arcana ignores the target's Wind Shear RES, Bleed RES, Burn RES, and Shock RES., they are considered to be simultaneously afflicted with Wind Shear, Bleed, Burn, and Shock. After ArcanaArcanaArcana is a debuff that deals DMG over time. This debuff cannot be dispelled. While in the Arcana state, the unit is also considered to be in the Wind Shear state and takes Wind DoT at the start of each turn. The infliction of Arcana ignores the target's Wind Shear RES, Bleed RES, Burn RES, and Shock RES. causes DMG at the start of each turn, its stacks are not reset. This non-reset effect of ArcanaArcanaArcana is a debuff that deals DMG over time. This debuff cannot be dispelled. While in the Arcana state, the unit is also considered to be in the Wind Shear state and takes Wind DoT at the start of each turn. The infliction of Arcana ignores the target's Wind Shear RES, Bleed RES, Burn RES, and Shock RES. stacks can be triggered up to 1 time(s) for the duration of Epiphany. And the trigger count resets when Epiphany is applied again. Deals Wind DMG equal to 72%—129.6% of Black Swan's ATK to all enemies.	Ultimate	AoE
Luka Luka	Coup de Grâce Coup de Grâce	Receives 2 stack(s) of Fighting Will, with a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase a single enemy target's DMG received by 12%—21.6% for 3 turn(s). Then, deals Physical DMG equal to 198%—356.4% of Luka's ATK to the target.	Ultimate	Single Target
Topaz and Numby Topaz and Numby	Difficulty Paying? Difficulty Paying?	Inflicts a single target enemy with a Proof of Debt status, increasing the Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met. DMG it receives by 25%—55%. Proof of Debt only takes effect on the most recent target it is applied to. If there are no enemies inflicted with Proof of Debt on the field when an ally's turn starts or when an ally takes action, Topaz will inflict a random enemy with Proof of Debt. Numby deals Fire DMG equal to 75%—165% of Topaz's ATK to this target. Using this Skill to deal DMG is considered as launching a Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met..	Skill	Single Target
Lingsha Lingsha	Dripping Mistscape Dripping Mistscape	Inflicts "Befog" on all enemies. While in "Befog," targets receive 15%—27% increased Break DMGBreak DMGBreak DMG increases with higher Break Effect, higher target max Toughness, and higher character levels. Break DMG cannot CRIT Hit and is not affected by DMG Boost effects., lasting for 2 turn(s). Deals Fire DMG equal to 90%—162% of Lingsha's ATK to all enemies, and at the same time restores HP equal to 8%—12.8% of Lingsha's ATK plus 90—400.5 for all allies. Fuyuan's action advancesAction AdvancedReduces the target's waiting interval before the next action. by 100%.	Ultimate	AoE
Firefly Firefly	Fyrefly Type-IV: Complete Combustion Fyrefly Type-IV: Complete Combustion	Enters the Complete Combustion state, advances this unit's Action by 100%, and gains Enhanced Basic ATK and Enhanced Skill. While in Complete Combustion, increases SPD by 30—66, and when using the Enhanced Basic ATK or Enhanced Skill, increases this unit's Weakness Break Efficiency by 50% and the Break DMG dealt by SAM to the enemy targets by 10%—22%, lasting until this current attack ends. A countdown timer for the Complete Combustion state appears on the Action Order. When the countdown timer's turn starts, SAM exits the Complete Combustion state. The countdown timer has a fixed SPD of 70. SAM cannot use Ultimate while in Complete Combustion.	Ultimate	Enhance
Tribbie Tribbie	Guess Who Lives Here Guess Who Lives Here	Activates a Zone and deals Quantum DMG equal to 15%—33% of Tribbie's Max HP to all enemies. While the Zone lasts, increases enemy targets' DMG taken by 15%—33%. After an ally target attacks, for every 1 target hit, deals 1 instance of Quantum Additional DMGAdditional DMGCauses the target being hit to take extra DMG, which is not considered an attack. equal to 6%—13.2% of Tribbie's Max HP to the target that has the highest HP among the hit targets. The Zone lasts for 2 turn(s). This duration decreases by 1 at the start of this unit's every turn.	Ultimate	AoE
Himeko Himeko	Incomplete Combustion Incomplete Combustion	After using Technique, creates a Special Dimension that lasts for 15 second(s). After entering battle with enemies in the Special Dimension, there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase Fire DMG taken by enemies by 10% for 2 turn(s). Only 1 Dimension Effect created by allies can exist at the same time.	Technique	Impair
Evernight Evernight	O Wakeful World, Goodnight O Wakeful World, Goodnight	Summons memospriteSummon MemospriteSummon the memosprite to the field. If the memosprite is already on the field, dispels all Crowd Control debuffs the memosprite is afflicted with. Evey. Then Evey deals Ice DMG to all enemies equal to 100%—220% of Evey's Max HP and Evernight enters the "Darkest Riddle" state. During this state, all enemies take 15%—33% increased DMG while both Evernight and Evey deal 30%—66% increased DMG and are immune to Crowd Control debuffsCrowd Control debuffFreeze, Entanglement, Imprisonment, Dominated, Outrage, Strong Reverberation, Alien Dream, Snarelock, Terrified.. Gains 2 point(s) of Charge for "Darkest Riddle." And Evey consumes 1 point after it uses "Dream, Dissolving, as Dew." At the start of Evernight's turn, if no Charge remains, exits the "Darkest Riddle" state.	Ultimate	AoE
Hysilens Hysilens	Overtone Hum: Chorus After Dark Tides Overtone Hum: Chorus After Dark Tides	Has a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase the DMG taken by all enemies by 10%—22%, lasting for 3 turn(s). At the same time, deals Physical DMG equal to 70%—154% of Hysilens's ATK to all enemies.	Skill	AoE
Guinaifen Guinaifen	PatrAeon Benefits PatrAeon Benefits	When Guinaifen is on the field, there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to apply Firekiss to an enemy after their Burn status causes DMG. While inflicted with Firekiss, the enemy receives 4%—7.6% increased DMG, which lasts for 3 turn(s) and can stack up to 3 time(s).	Talent	Impair
Jiaoqiu Jiaoqiu	Pyrograph Arcanum Pyrograph Arcanum	Sets the number of "Ashen Roast" stacks on enemy targets to the highest number of "Ashen Roast" stacks present on the battlefield. Then, activates a Zone and deals Fire DMG equal to 60%—108% of Jiaoqiu's ATK to all enemies. While inside the Zone, enemy targets receive 9%—16.2% increased Ultimate DMG, with a 50%—62% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. of being inflicted with 1 stack of Ashen Roast when taking action. While the Zone exists, this effect can trigger up to 6 time(s). And for each enemy target, it can only trigger once per turn. This trigger count resets every time Jiaoqiu uses Ultimate. The Zone lasts for 3 turn(s), and its duration decreases by 1 at the start of this unit's every turn. If Jiaoqiu gets knocked downDowned StateAn ally will be incapacitated once their HP is reduced to 0., the Zone will also be dispelled.	Ultimate	AoE
Jiaoqiu Jiaoqiu	Quartet Finesse, Octave Finery Quartet Finesse, Octave Finery	When Jiaoqiu hits an enemy with Basic ATK, Skill or Ultimate, there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to inflict 1 stack of Ashen Roast on them. At 1 stack, increases DMG received by the enemy by 7.5%—16.5%. Then, each subsequent stack increases this by 2.5%—5.5%. Ashen Roast is capped at 5 stack(s) and lasts for 2 turn(s). When an enemy target is afflicted with Ashen Roast, they are also considered as being Burned at the same time, taking Fire DoT equal to 90%—198% of Jiaoqiu's ATK at the start of each turn.	Talent	Impair
Boothill Boothill	Sizzlin' Tango Sizzlin' Tango	Forces Boothill and a single target enemy into the Standoff state. Boothill's Basic ATK gets Enhanced, and he cannot use his Skill, lasting for 2 turn(s). This duration decreases by 1 at the start of Boothill's every turn. The enemy target in the Standoff becomes Taunted. When this enemy target/Boothill gets attacked by the other party in the Standoff, the DMG they receive increases by 15%—33%/15%. After this target is defeated or becomes Weakness Broken, Boothill gains 1 stack of Pocket Trickshot, then dispels the Standoff. This Skill cannot regenerate Energy. After using this Skill, the current turn does not end.	Skill	Impair
Sampo Sampo	Surprise Present Surprise Present	Deals Wind DMG equal to 96%—172.8% of Sampo's ATK to all enemies, with a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase the targets' DoT taken by 20%—32% for 2 turn(s).	Ultimate	AoE
Gallagher Gallagher	Tipsy Tussle Tipsy Tussle	The Besotted state makes targets receive 6%—13.2% more Break DMGBreak DMGBreak DMG increases with higher Break Effect, higher target max Toughness, and higher character levels. Break DMG cannot CRIT Hit and is not affected by DMG Boost effects.. Every time a Besotted target gets attacked by an ally, the attacking ally's HP is restored by 80—707.2.	Talent	Restore

Bonus Abilities

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4 Bonus Abilities increase Vulnerability of enemies:

Character	Name	Description	Ascension Requirement
Rappa Rappa	Ninjutsu Inscription: Withered Leaf Ninjutsu Inscription: Withered Leaf	When an enemy target becomes Weakness Broken, increases the Break DMGBreak DMGBreak DMG increases with higher Break Effect, higher target max Toughness, and higher character levels. Break DMG cannot CRIT Hit and is not affected by DMG Boost effects. taken by 2%. If Rappa's current ATK is higher than 2,400, for every 100 excess ATK, additionally increases this value by 1%, up to a max additional increase of 8%. This effect lasts for 2 turn(s).	6
Welt Welt	Retribution Retribution	When using Ultimate, there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase the DMG taken by the targets by 12% for 2 turn(s).	2
Cipher Cipher	Sleight of Sky Sleight of Sky	Increases the CRIT DMG dealt by the Talent's Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met. by 100%. When Cipher is on the battlefield, DMG received by all enemy targets increases by 40%.	6
Moze Moze	Vengewise Vengewise	When dealing DMG by using Ultimate, it is considered as having launched a Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met.. The Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met. DMG taken by the "Prey" increases by 25%.	6

Eidolons

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10 Eidolons increase Vulnerability of enemies:

Character	Name	Description	Level
Boothill Boothill	Cold Cuts Chef Cold Cuts Chef	When the enemy target in the Standoff is attacked by Boothill, the DMG they receive additionally increases by 12%. When Boothill is attacked by the enemy target in the Standoff, the effect of him receiving increased DMG is offset by 12%.	4
Kafka Kafka	Da Capo Da Capo	When the Talent triggers a Follow-up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met., there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to increase the DoT received by the target by 30% for 2 turn(s).	1
Kafka Kafka	Da Capo Da Capo	When using an attack, there is a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. to cause the target to take 30% more DoT for 2 turn(s).	1
Aglaea Aglaea	Drift at the Whim of Venus Drift at the Whim of Venus	The enemy afflicted with "Seam Stitch" takes 15% increased DMG. After Aglaea or Garmentmaker attacks this target, additionally regenerates 20 Energy.	1
Cipher Cipher	In the Fray, Nab On a Spree In the Fray, Nab On a Spree	When Cipher hits an enemy target, there is a 120% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. of causing them to receive 30% more DMG, lasting 2 turn(s).	2
Dan Heng • Permansor Terrae Dan Heng • Permansor Terrae	One Dream to Enfold All Wilds One Dream to Enfold All Wilds	When the "Bondmate" is on the field, increases the DMG taken by all enemies by 20%. When the "Bondmate" deals DMG, ignores 12% of the enemy targets' DEF. When Dan Heng • Permansor Terrae uses Ultimate, the "Bondmate" will deal Additional DMGAdditional DMGCauses the target being hit to take extra DMG, which is not considered an attack. of the Bondmate's Type to all enemies, equal to 330% of the Bondmate's ATK.	6
The Dahlia The Dahlia	Pity Its Heart Gnawed by Worms Pity Its Heart Gnawed by Worms	Increases the number of DMG instances dealt by Talent's Follow-Up ATKFollow-up ATKUnleashes an extra attack on the target. This effect is triggered automatically when requirements are met. by 5. Upon its use, the DMG taken by all enemy targets increases by 12%, lasting for 2 turn(s).	4
Acheron Acheron	Shrined Fire for Mirrored Soul Shrined Fire for Mirrored Soul	When enemy targets enter combat, inflicts them with the Ultimate DMG Vulnerability, increasing the amount of Ultimate DMG they take by 8%.	4
Jing Yuan Jing Yuan	Sweep, Souls Slain Sweep, Souls Slain	Each hit performed by the Lightning-Lord when it takes action will make the target enemy Vulnerable. While Vulnerable, enemies receive 12% more DMG until the end of the Lightning-Lord's current turn, stacking up to 3 time(s).	6
Silver Wolf Silver Wolf	Zombie Network/Enhanced Zombie NetworkZombie Network/Enhanced Zombie Network	When enemy target enters battle, increases DMG received by 20%. When the enemy target receives an attack from ally targets, Silver Wolf has a 100% base chanceBase ChanceThe base chance of applying debuffs to targets hit. The final probability is affected by the attacker's Effect Hit Rate and enemy targets' Effect RES. of implanting the attacked enemy target with 1 random "Bug."	2

Light Cones

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RarityPathStatsPassives
10 Light Cones increase Vulnerability of enemies:

Icon & Name	Rarity	Path	Stats	Passive
Holiday Thermae Escapade		Nihility	HP: 48~1,058 ATK: 24~529 DEF: 15~330	Chill Out Increases the wearer's DMG dealt by 16~32%. After the wearer attacks, there is a 100% base chance to inflict the attacked target with Vulnerability, increasing the DMG they receive by 10.0~16.0% for 2 turn(s). Effects of the same type cannot stack.
Incessant Rain		Nihility	HP: 48~1,058 ATK: 26~582 DEF: 21~463	Mirage of Reality Increases the wearer's Effect Hit Rate by 24~40%. When the wearer deals DMG to an enemy that currently has 3 or more debuffs, increases the wearer's CRIT Rate by 12~20%. After the wearer uses their Basic ATK, Skill, or Ultimate, there is a 100% base chance to implant Aether Code on a random hit target that does not yet have it. Targets with Aether Code receive 12~20% increased DMG for 1 turn.
Inherently Unjust Destiny		Preservation	HP: 48~1,058 ATK: 19~423 DEF: 30~661	All-In Increases the wearer's DEF by 40~64%. When the wearer provides a Shield to an ally, the wearer's CRIT DMG increases by 40~64%, lasting for 2 turn(s). When the wearer's follow-up attack hits an enemy target, there is a 100~160% base chance to increase the DMG taken by the attacked enemy target by 10.0~16.0%, lasting for 2 turn(s).
Long May Rainbows Adorn the Sky		Remembrance	HP: 52~1,164 ATK: 21~476 DEF: 24~529	Tolerant Increases the wearer's SPD by 18~30%. When the wearer uses Basic ATK, Skill, or Ultimate, consumes all allies' HP equal to 1.0~2.0% of their current HP and additionally deals 1 instance of Additional DMG of the wearer's memosprite Type equal to 250.0~500.0% of the total consumed HP to the attacked target after the next attack launched by the wearer's memosprite. The total HP consumed is then reset. When the wearer's memosprite uses Memosprite Skill, increases the DMG taken by all enemies by 18.0~36.0% for 2 turn(s). The same types of effects cannot stack.
Long Road Leads Home		Nihility	HP: 43~952 ATK: 21~476 DEF: 30~661	Rebirth Increases the wearer's Break Effect by 60~100%. When an enemy target's Weakness gets broken, there is a 100% base chance to inflict the "Charring" state on it, which increases its Break DMG taken by 18~30%, lasting for 2 turn(s). This effect can stack 2 time(s).
Scent Alone Stays True		Abundance	HP: 48~1,058 ATK: 24~529 DEF: 24~529	Contentment Increases the wearer's Break Effect by 60~100%. After the wearer uses Ultimate to attack enemy targets, inflicts the targets with the "Woefree" state, lasting for 2 turn(s). While in "Woefree," enemy targets take 10~18% increased DMG. The effect of increasing DMG taken is additionally boosted by 8~16% if the wearer's current Break Effect is 150% or higher.
This Love, Forever		Remembrance	HP: 57~1,270 ATK: 21~476 DEF: 21~463	A Promise Increases the wearer's SPD by 18~30%. When the wearer's memosprite uses a Memosprite Skill on an ally, gains "Blank," which increases DMG taken by all enemies by 10~18%. When the wearer's memosprite uses a Memosprite Skill on an enemy, gains "Verse," which increases CRIT DMG of all allies by 16~28%. When the wearer's memosprite has both "Blank" and "Verse," increases the effects of "Blank" and "Verse" by 60~80%.
Those Many Springs		Nihility	HP: 43~952 ATK: 26~582 DEF: 24~529	Wordly Affairs Leave No Mark Increases the wearer's Effect Hit Rate by 60~100%. After the wearer uses Basic ATK, Skill, or Ultimate to attack an enemy target, there is a 60% base chance to inflict "Unarmored" on the target. While in the Unarmored state, the enemy target receives 10~18% increased DMG, lasting for 2 turn(s). If the target is under a DoT state inflicted by the wearer, there is a 60% base chance to upgrade the "Unarmored" state inflicted by the wearer to the "Cornered" state, which additionally increases the DMG the enemy target receives by 14~22%, lasting for 2 turn(s). During this period, the wearer cannot inflict "Unarmored" on the target.
Whereabouts Should Dreams Rest		Destruction	HP: 52~1,164 ATK: 21~476 DEF: 24~529	Metamorphosis Increases the wearer's Break Effect by 60~100%. When the wearer deals Break DMG to an enemy target, inflicts Routed on the enemy, lasting for 2 turn(s). Targets afflicted with Routed receive 24.0~40.0% increased Break DMG from the wearer, and their SPD is lowered by 20%. Effects of the same type cannot be stacked.
Why Does the Ocean Sing		Nihility	HP: 43~952 ATK: 28~635 DEF: 21~463	Solo Increases the wearer's Effect Hit Rate by 40~60%. When an enemy target gets inflicted with a debuff by the wearer, there is a 80% base chance for them to enter "Enthrallment," lasting for 3 turn(s). Effects of the same type cannot stack. While the target is in "Enthrallment," for every 1 debuff applied by the wearer on the target, increases the target's received DoT by 5~10%, stacking up to 6 time(s). When the target gets attacked by an ally, increases the attacker's SPD by 10~20% for 3 turn(s). When the wearer gets knocked down, removes all "Enthrallment."

Consumables

There is 1 consumable that increase Vulnerability of enemies:

Name	Effect	Type	Source	Recipe
Enemy's Scandal	Upon use, increases DMG taken by all enemies by 12% in the next battle, lasting for 5 turns.	Attack Consumables	Sold by Yaoqing Sports Media Center

Enemies

20 Enemies can apply Vulnerability to an Enemy:

Enemy	Tier	Damage	Weakness
Conquer or Be Conquered	Normal
Destruction Lotus (Phase 2)	Normal
Destruction Lotus (Phase 3)	Normal
Doomsday Beast	Echo of War
Gnaw Sting	Normal
Juvenile Sting	Normal
Lesser Sting	Normal
Memory Zone Meme "Insatiable Vanity"	Normal
Memory Zone Meme "Shell of Faded Rage"	Elite
Nebula Devourer	Normal
Planeshred Claws	Normal
Shadow of "Feixiao"	Echo of War
Starcrusher Swarm King: Skaracabaz (Synthetic)	Echo of War
Stellaron Hunter: Sam	Boss
Stellaron Hunter: Sam (Complete)	Boss
Swarm: True Sting	Boss
Swarm: True Sting (Complete)	Boss
The Past, Present, and Eternal Show	Boss
The Past, Present, and Eternal Show (Complete)	Boss
Worldpurge Tail	Normal

13 Enemies can apply Vulnerability to the player:

Enemy	Tier	Damage	Weakness
"Harmonious Choir" The Great Septimus	Echo of War
"Tomorrow in Harmonious Chords"	Elite
"Tomorrow in Harmonious Chords" (Bug)	Elite
"Tomorrow in Harmonious Chords" (Complete)	Elite
Cloud Knights Patroller	Normal
Furiae Praetor	Elite
Furiae Praetor (Bug)	Elite
Greatsword Guardian: Vanguard Wallbreaker	Elite
Ten Stonehearts: Aventurine of Stratagems	Boss
The Giver, Master of Legions, Lance of Fury	Boss
The Past, Present, and Eternal Show	Boss
The Past, Present, and Eternal Show (Complete)	Boss
Voidranger: Distorter	Normal

Other Languages

Language	Official Name
English	Vulnerability
Chinese (Simplified)	易伤
Chinese (Traditional)	易傷
Japanese	被ダメージアップ
Korean	취약
Spanish	Vulnerabilidad
French	Vulnérabilité
Russian	Слабость
Thai	เปราะบาง
Vietnamese	Trọng Thương
German	Anfälligkeit
Indonesian	Vulnerability
Portuguese	Vulnerabilidade

Change History

Released in Version 1.0

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