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Honkai Star Rail Black Swan build and guide

Hoyoverse titles often showcase intriguing female figures like Honkai Star Rail’s enigmatic Black Swan. As a Nihility path devotee, her wind-based abilities leave a lasting impact. This guide explores her optimal configurations and combat roles.

Optimal Black Swan Configuration

This five-star wind-aligned Nihility specialist thrives through strategic debuff stacking and damage-over-time mechanics. Pair her with DoT-focused allies to maximize her potential.

Sub-stats
  • Effect hit rate
  • Speed
  • Attack%
Main stats
  • Body: effect hit rate
  • Feet: speed
  • Planar sphere: wind damage or attack%
  • Link rope: attack%
Best planar ornament set Pan-Galactic Commercial Enterprise
Best relic set Prisoner in Deep Confinement
Light cone alternative
  • Those Many Springs
  • Eyes of the Prey
Best light cone Reforged Remembrance
Path Nihility
Element Wind
Rarity ★★★★★

Prioritize Reforged Remembrance for its effect hit rate bonuses. Combine Prisoner in Deep Confinement relics with Pan-Galactic Commercial Enterprise ornaments, emphasizing EHR and attack stats.

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Combat Mechanics

Black Swan specializes in multi-layered debuff strategies through her Arcana mechanics. These cumulative effects trigger enhanced damage when stacked, particularly effective against groups.

Light Cone Alternatives

Before the Tutorial Mission Starts Boosts EHR by 20%, regenerates energy when attacking weakened foes
Eyes of the Prey 20% EHR increase with 24% DoT enhancement
Those Many Springs 60% EHR boost, applies damage vulnerability effects
Reforged Remembrance 40% EHR increase, Prophet stacks amplify attack and defense penetration

Relic Combinations

Musketeer of Wild Wheat Two-piece: 12% attack bonus Corridor of Fading Echoes (Jarilo-VI)
Pioneer Diver of Dead Waters Two-piece: 12% damage boost vs debuffed enemies Reverie (Dreamscape), Penacony
Eagle of Twilight Line Two-piece: 10% wind damage boost Herta Space Station
Prisoner in Deep Confinement Four-piece: Defense penetration per DoT effect Xianzhou Luofu’s Fyxestroll Garden

Planar Ornaments

Firmament Frontline: Glamoth Two-piece: Speed-based damage scaling Simulated Universe World 8
Space Sealing Station Two-piece: Dual-phase attack bonuses Simulated Universe World 3
Pan-Galactic Commercial Enterprise Two-piece: EHR conversion to attack Simulated Universe World 5

Ability Overview

Technique Initiates combat with multiple Arcana applications through probabilistic stacking
Talent Arcana stacks amplify wind DoT and enable defense ignore mechanics
Ultimate Applies universal vulnerability and multi-debuff recognition
Skill Group damage with defense reduction
Basic attack Chance-based Arcana application

Eidolon Effects

E6 Allies’ attacks trigger Arcana chances with enhanced stacking
E5 Enhances ultimate and basic attack levels
E4 Energy restoration during Epiphany state
E3 Skill and talent level increases
E2 Arcana propagation on defeated targets
E1 Elemental resistance reduction

Progression Requirements

70➔80 160k credits, 35 ascendant debris, 9 squirming cores
60➔70 80k credits, 20 ascendant debris, 6 squirming cores
50➔60 40k credits, 7 ascendant debris, 9 glimmering cores
40➔50 16k credits, 3 ascendant debris, 6 glimmering cores
30➔40 8k credits, 10 extinguished cores
20➔30 4k credits, 5 extinguished cores