Honkai Star Rail Black Swan materials, kit, and Eidolons

Black Swan is a powerful 5-Star Wind character belonging to The Nihility path, introduced in Honkai: Star Rail during version 2.0. Currently featured as the boosted 5-Star character on the Indelible Coterie Banner in version 2.5, Black Swan is expected to return in future banners as the schedule cycles back to her.

Whether you’ve already obtained her or are preparing to Warp for her, understanding her Ascension materials and Trace materials is crucial for maximizing her potential. Below, we outline Black Swan’s kit and Eidolons to help you play her effectively.

Black Swan’s Kit

Black Swan excels at applying damage over time (DOT) effects, reducing enemy defenses, and increasing the damage they take. Here’s a detailed summary of her abilities:

Character Details

• Element: Wind
• Path: The Nihility
• Rarity: 5-Star

Abilities Overview

• Basic Attack: Percipience, Silent Dawn – Deals Wind damage equal to 30% of Black Swan’s attack to a single enemy, with a 50% chance of inflicting Arcana. If the target has Wind Shear, Bleed, Burn, or Shock applied, each effect has a 50% chance to apply an additional stack of Arcana.
• Skill: Decadence, False Twilight – Deals Wind damage equal to 45% of Black Swan’s attack to the primary target and adjacent ones, applying one stack of Arcana and reducing their defense by 14.8% for three turns.
• Ultimate: Bliss of Otherworld’s Embrace – Deals Wind damage equal to 72% of Black Swan’s attack to all enemies, inflicting Epiphany which increases damage taken by 15% and allows Arcana to trigger additional effects.
• Talent (Passive): Loom of Fate’s Caprice – Grants a 50% chance to inflict Arcana when an enemy receives a DOT at the start of their turn, with increasing DOT damage based on Arcana stacks.
• Technique (Overworld Ability): From Façade to Vérité – A 150% chance to inflict one stack of Arcana on all enemies at the start of the next battle.

Bonus Traces

• Bonus Trace 1: Viscera’s Disquiet – Increases the chance of inflicting Arcana on targets affected by DOTs.
• Bonus Trace 2: Goblet’s Dredges – Grants a chance to inflict Arcana when entering battle and during ally attacks.
• Bonus Trace 3: Candleflame’s Portent – Increases damage dealt based on Effect Hit Rate.

Black Swan Ascension Materials

To enhance Black Swan’s stats, including health, attack, and critical hit effectiveness, you will need specific Ascension materials. The required materials for her full ascension are:

• x15 Extinguished Core
• x15 Glimmering Core
• x15 Squirming Core
• x65 Ascendant Debris
• 308,000 Credits

Ascension Levels

Here’s a breakdown of the materials needed at each level:

• Level 20: x5 Extinguished Core, 4,000 Credits, rewards 1 regular Star Rail Pass
• Level 30: x10 Extinguished Core, 8,000 Credits
• Level 40: x6 Glimmering Core, x3 Ascendant Debris, 16,000 Credits, rewards 1 regular Star Rail Pass
• Level 50: x9 Glimmering Core, x7 Ascendant Debris, 40,000 Credits
• Level 60: x6 Squirming Core, x20 Ascendant Debris, 80,000 Credits, rewards 1 regular Star Pass
• Level 70: x9 Squirming Core, x35 Ascendant Debris, 160,000 Credits

Black Swan Trace Materials

To fully upgrade Black Swan’s attacks and passive abilities, you will need various Trace materials. The total required materials are:

• x8 Tracks of Destiny
• x12 Past Evils of the Borehole Planet Disaster
• x18 Fiery Spirit
• x41 Extinguished Core
• x56 Glimmering Core
• x58 Squirming Core
• x69 Starfire Essence
• x139 Heaven Incinerator
• 3 million Credits

Black Swan Eidolons

Acquiring duplicates of Black Swan through Warping allows players to unlock her Eidolons, enhancing her abilities. Here’s a summary of her Eidolons:

• Seven Pillars of Wisdom (E1): Reduces enemy resistances when afflicted by various status effects.
• Weep Not For Me, My Lamb (E2): Inflicts additional stacks of Arcana on adjacent targets when an enemy under Arcana is defeated.
• As Above, So Below (E3): Increases the levels of Black Swan’s Skill and Talent.
• In Tears We Gift (E4): Reduces enemy Effect Resistance while regenerating Energy for Black Swan.
• Linnutee Flyway (E5): Boosts the level of her Ultimate and Basic Attack.
• Pantheon Merciful, Masses Pitiful (E6): Enhances the chance of inflicting Arcana when teammates attack.

Good luck leveling up Black Swan in Honkai Star Rail!