Honkai Star Rail Black Swan Abilities, Trace, & Eidolon

Black Swan is a 5 stars character in Honkai: Star Rail. Find Black Swan's abilities, trace, and eidolon here in this article.

Character Overview: Black Swan

Honkai Star Rail Black Swan

Black Swan is a female character of the Nihility Path with an Wind element. She is a Memokeeper of the Garden of Recollection. An indolent and mysterious soothsayer. Heed another's "memories' with patience, and all the threads of fate will be yours to tug.

Black Swan Stats & Ascension Materials


Here is her stats from level 1 to level 60.(On mobile Scroll from left to right.)


Ascension Materials

Here are all the ascension materials that you need for leveling up Black Swan to level 80:

  • x308K Credit
  • x15 Extinguished Core
  • x15 Glimmering Core
  • x65 Ascendant Debris
  • x15 Squriming Core

Black Swan Abilities 

Percipience, Silent Dawn (Lv9/Basic ATK) - Single Target

  • Energy Regeneration: 20
  • Weakness Break: Single Target: 30
    • Deals Wind DMG equal 78% of Black Swan's ATK on a single enemy unit, with a 74% base chance of inflicting 1 stack of Sacrament on the attacked enemy unit, and should a target have Wind Shear, Bleed, Burn, or Shock applied to them, each will have a 74% base chance of additionally applying 1 stack of Sacrament on the enemy.

Decadence, False Twilight (Lv15/Skill) - Blast

  • Energy Regeneration: 30
  • Weakness Break: Single Target: 60 / Blast: 30
    • Deals Wind DMG equal to 112.5% of Black Swan's ATK to a single enemy and any adjacent targets, with a 100% base chance to inflict 1 stack of Sacrament to the attacked enemies and a 100% base chance to lower the attacked enemies' DEF by 23.8%, lasting for 3 turns.

Bliss of Otherworld's Embrace(Lv15/Ultimate) - AOE

  • Energy Regeneration: 5
  • Weakness Break: AOE: 60
    • Deals Wind DMG equal to 144% of Black Swan's ATK to all enemies and inflicts Epiphany on them for 2 turns. Enemies affected by Epiphany take 30% more damage in their turn, and their Sacrament effect is regarded as Wind Shear, Bleed, Burn, and Shock effects. In addition, when their Sacrament effect is triggered at the beginning of the next turn, the Sacrament stacks are not reset. The stack reservation effect can be triggered up to 1 time during the Epiphany duration, and its charges are replenished when Epiphany is applied again.

Loom of Fate's Caprice (Talent) - Impair

  • Energy Regeneration: 0
  • Weakness Break: 0
    • Everytime an enemy target receives DoT at the start of each turn, there is a 72.5% base chance to for it to be inflicted with Sacrament. While afflicted with Sacrament, enemy targets receive Wind DoT equal to 300% of Black Swan's ATK. Each stack of Sacrament increases this DMG multiplier by 15%. Then Sacrament resets to 1 stack. Sacrament can stack up to 99 times.
    • Only when Sacrament deals DMG at the start of an enemy target's turn, Black Swan triggers additional effects based on the number of Sacrament stack inflicted on the target: When having 3 or more Sacrament stacks, deals Wind DoT equal to 225% of Black Swan's ATK to adjacent targets, with a 72.5% base chance of inflicting 1 stack of Sacrament on adjacent targets. When having or more Sacrament stacks, enables the current DoT Dealt this time to ignore 20% of the target's DEF and adjacent targets' DEF.

From Facade to Verite (Technique) - Impair

  • Energy Regeneration: 0
  • Weakness Break: 0
    • After using this Technique, at the start of the next battle, there is a 150% base chance to inflict 1 stack of Sacrament on each enemy. For each successful application of Sacrament, inflict 1 additional stack of Sacrament on the enemy, repeating until Sacrament fails to be inflicted. For each successive application of Sacrament, the base chance of success is equal to 50% of the base chance of the previous successful infliction of Sacrament on that target.

Black Swan Trace

Ascension 2: Viscera's Disquiet

After using the Skill to hit a single target enemy that has Wind Shear, Bleed, Burn, or Shock, there is a 65% base chance of additionally inflicting 1 stack of Sacrament for each of the above debuffs on the enemy.

Ascension 4: Goblet's Dredges

Everytime an enemy target receives DoT during the single attack of allies, there is a 65% base chance for it to be inflicted with 1 stack of Sacrament, stacking up to 3 times during 1 single attack.

Ascension 6: Candleflame's Portent

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

Trace Materials

Here are all the trace materials that you need for leveling up Black Swan trace:

  • x3M Credit
  • x18 Fiery Spirit
  • x41 Extinguished Core
  • x69 Starfire Essence
  • x56 Glimmering Core
  • x139 Heaven Incinerator
  • x58 Squiming Core
  • x12 Past Evils of the Borehole Planet Disaster
  • x8 Tracks of Destiny

Black Swan Eidolon

Eidolon Lv 1: Seven Pillar of Wisdom

While Black Swan is active in battle, enemies in the Wind Shear, Bleeding, Burning, and Shocked states respectively have their Wind, Physical, Fire, and Lightning RES reduced by 25%.

Eidolon Lv 2: Weep Not for Me, My Lamb

When an enemy under the Sacrament effect is downed, there is a 100% base chance of inflicting stacks of Sacrament on adjacent targets.

Eidolon Lv 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.

Eidolon Lv 4: In Tears We Gift

While in the Epiphany state, enemy target' Effect RES reduces by 10%, and Black Swan regenerates energy at the target's turn or when the afflicted enemy is defeated. The Energy Regeneration effect can only trigger up to 1 time while Epiphany lasts. The trigger count will refresh after the enemy is inflicted with Epiphany again.

Eidolon Lv 5: Linnutee Flyway

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

Eidolon Lv 6: Pantheon Merciful, Masses Pitiful

When Black Swan's teammates attack enemy targets, Black Swan has a 65% base chance of inflicting Sacrament on every enemy target hit. Each time Black Swan inflicts Sacrament on an enemy target, there is a 50% fixed chance to additionally increase the Sacrament stack afflicted this time by 1.

End of Black Swan Build Guide.

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