Black Swan — Honkai: Star Rail

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Best stats & substats

Best stats

Body: Effect Hit Rate:
Feet: ATK%:
Planar sphere: Wind DMG / ATK%:
Link rope: ATK%:

Best substats

Priority 1: Effect Hit Rate (120%)
Priority 2: ATK%
Priority 3: Speed
Priority 4: Effect RES

Skills

Basic ATK Percipience, Silent Dawn

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Deals Wind DMG equal to 30% of Black Swan's ATK to one designated enemy target, with a 50% base chance of inflicting 1 stack of "Arcana" on the target. Additionally, when attacking a target that suffers Wind Shear, Bleed, Burn, or Shock, there is respectively a 50% base chance of inflicting 1 extra stack of "Arcana" on the target.

Skill Decadence, False Twilight

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Deals Wind DMG equal to 45% of Black Swan's ATK to one designated enemy target and any adjacent targets. At the same time, there is a 100% base chance of inflicting 1 stack of "Arcana" on the target enemy and the adjacent targets. Additionally, there is a 100% base chance of reducing the DEF of the target enemy and the adjacent targets by 14.8%, lasting for 3 turn(s).

Ultimate Bliss of Otherworld's Embrace

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Inflicts Epiphany on all enemies for 2 turn(s). While afflicted with Epiphany, enemies take 15% increased DMG in their turn. Additionally, if enemies are also inflicted with Arcana, they are also considered to be simultaneously afflicted with Wind Shear, Bleed, Burn, and Shock. After Arcana causes DMG at the start of each turn, its stacks are not reset. This non-reset effect of Arcana 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% of Black Swan's ATK to all enemies.

Talent Loom of Fate's Caprice

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Every time an enemy target receives DoT at the start of each turn, there is a 50% base chance for it to be inflicted with 1 stack of Arcana. While afflicted with Arcana, enemy targets receive Wind DoT equal to 96% of Black Swan's ATK at the start of each turn. Each stack of Arcana increases this DMG multiplier by 4.8%. Then Arcana resets to 1 stack. Arcana can stack up to 50 times. Only when Arcana causes DMG at the start of an enemy target's turn, Black Swan triggers additional effects based on the number of Arcana stacks inflicted on the target: When there are 3 or more Arcana stacks, deals Wind DoT equal to 72% of Black Swan's ATK to adjacent targets, with a 50% base chance of inflicting 1 stack of Arcana on adjacent targets. When there are 7 or more Arcana stacks, enables the current DoT dealt this time to ignore 20% of the target's and adjacent targets' DEF.

Technique Attack

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Attacks an enemy, and after entering combat, reduces their Toughness of the corresponding Type.

Technique From Façade to Vérité

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After this Technique is used, there is a 150% base chance for each enemy to be inflicted with 1 stack of Arcana at the start of the next battle. For each successful application of Arcana on a target, inflicts another stack of Arcana on the same target. This process repeats until Arcana fails to be inflicted on this target. For each successive application of Arcana on a target, its base chance of success is equal to 50% of the base chance of the previous successful infliction of Arcana on that target.

Basic ATK Percipience, Silent Dawn

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Deals Wind DMG equal to 50% of Black Swan's ATK to one designated enemy.

Skill Decadence, False Twilight

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Deals Wind DMG equal to 45% of Black Swan's ATK to one designated enemy and adjacent targets. At the same time, there is a 100% base chance of reducing the DEF of the enemy target and the adjacent targets by 14.8%, lasting for 3 turn(s).

Ultimate Bliss of Otherworld's Embrace

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Inflicts "Epiphany" state on all enemies for 2 turn(s). Then deals Wind DMG to all enemies equal to 72% of Black Swan's ATK. While in the "Epiphany" state, enemy targets take 15% increased DMG. For every 1 stack of "Arcana inflicted," there is a 50% fixed chance to additionally increase the number of "Arcana" stacked this time by 1. And "Arcana" stacks won't be halved after dealing DMG at the start of the turn.

Talent Loom of Fate's Caprice

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Every time an enemy target receives 1 instance of DoT, there is a 50% base chance for it to be inflicted with 1 stack of "Arcana". While an enemy target is in the "Arcana" state, they are also considered to be simultaneously afflicted with Wind Shear, Bleed, Burn, and Shock. The target receives Wind DoT equal to 96% of Black Swan's ATK at the start of each turn, after which the number of stacks is halved. Each stack of "Arcana" increases this DMG multiplier by 4.8%. "Arcana" can stack 50 times, and can continue to stack beyond this limit, with the excess stacks removed after dealing DMG. DMG from "Arcana" ignores 20% of the target's DEF. Only when "Arcana" deals DMG at the start of the enemy target's turn, adjacent targets take 1 additional instance of Wind DoT equal to 72% of Black Swan's ATK.

Technique Attack

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Attacks an enemy, and after entering combat, reduces their Toughness of the corresponding Type.

Technique From Façade to Vérité

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After Technique is used, there is a 150% base chance for each enemy to be inflicted with 1 stack of "Arcana" at the start of the next battle. For each successful application of "Arcana" on a target, inflicts another stack of "Arcana" on the same target. This process repeats until "Arcana" fails to be inflicted on this target. For each successive application of "Arcana" on a target, its base chance of success is equal to 50% of the base chance of the previous successful infliction of "Arcana" on that target.

Passive talents

Major trace Viscera's Disquiet

Ascension 2

When an enemy target gets attacked by Black Swan, there is a 65% base chance of inflicting 5 stack(s) of "Arcana" on them.

Major trace Goblet's Dredges

Ascension 4

When an enemy targets enters combat, there is a 65% base chance for it to be inflicted with 1 stack of "Arcana," and a 100% base chance to be inflicted with the DEF reduction effect from the Skill, which lasts for 3 turn(s). After using Basic ATK or Ultimate, there is also a 100% base chance to inflict the DEF reduction effect from the Skill on the hit enemy targets, which lasts for 3 turn(s).

Major trace Candleflame's Portent

Ascension 6

Increases the DMG dealt by all allies by an amount equal to 60% of Black Swan's Effect Hit Rate, up to a maximum DMG increase of 72%.

Major trace Viscera's Disquiet

Ascension 2

After using Skill to attack one designated enemy that has Wind Shear, Bleed, Burn, or Shock, each of these debuffs respectively has a 65% base chance of inflicting 1 extra stack of Arcana.

Major trace Goblet's Dredges

Ascension 4

When an enemy target enters combat, there is a 65% base chance for it to be inflicted with 1 stack of Arcana. Every time an enemy target receives 1 instance of DoT during a single attack by an ally, there is a 65% base chance for the target to be inflicted with 1 stack of Arcana. The maximum number of stacks that can be inflicted during 1 single attack is 3.

Major trace Candleflame's Portent

Ascension 6

Increases this unit's DMG by an amount equal to 60% of Effect Hit Rate, up to a maximum DMG increase of 72%.

Minor trace ATK +56%

Minor trace Effect Hit Rate +20%

Minor trace Wind DMG Boost +28.8%

Dupes / advancement

Rank 1 Seven Pillars of Wisdom

While Black Swan is active in combat, enemies afflicted with Wind Shear, Bleed, Burn, or Shock will have their corresponding Wind, Physical, Fire, or Lightning RES respectively reduced by 25%.

Rank 2 Weep Not For Me, My Lamb

When an enemy target afflicted with "Arcana" is defeated, there is a 100% base chance of inflicting 6 stack(s) of "Arcana" on adjacent targets.

Rank 3 As Above, So Below

Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.

Rank 4 In Tears We Gift

While in the Epiphany state, enemy targets have their Effect RES reduced by 10% and Black Swan regenerates 8 Energy at the start of these targets' turns or when they are defeated. This Energy Regeneration effect can only trigger up to 1 time while Epiphany lasts. The trigger count is reset when Epiphany is applied again.

Rank 5 Linnutee Flyway

Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.

Rank 6 Pantheon Merciful, Masses Pitiful

When an enemy target is attacked by Black Swan's teammates, Black Swan has a 65% base chance of inflicting 1 stack of "Arcana" on the target. Every time Black Swan inflicts "Arcana" on an enemy target, there is a 50% fixed chance to additionally increase the number of "Arcana" stacked this time by 1.

Materials summary

Credit
Extinguished Core
Fiery Spirit
Glimmering Core
Heaven Incinerator
Past Evils of the Borehole Planet Disaster
Squirming Core
Starfire Essence
Tracks of Destiny

Tier placements

Not listed on any active tier list snapshot yet.

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