Honkai: Star Rail
Honkai: Star Rail

Fu Xuan Build Guide

Honkai: Star Rail Fu Xuan build guide. Best Relics, Light Cones, Traces, and stats for this powerful Preservation character.

Fu Xuan Build Guide

Master Fu Xuan with this comprehensive build guide. Learn the best Light Cones, Relics, Planar Ornaments, and Traces to maximize her survivability and support capabilities, making her an indispensable asset to any team composition.

Fu Xuan, the Master Diviner of the Xianzhou Luofu, is a premier Preservation character renowned for her exceptional ability to mitigate damage for the entire team. Her kit revolves around redirecting damage to herself, providing healing, and offering crucial buffs. This guide will detail the optimal build to ensure Fu Xuan can fulfill her role as a near-unkillable anchor for your most challenging content.

Role: Preservation (Tank/Support)

Key Stats to Prioritize:

  • HP: Directly increases her survivability and the effectiveness of her abilities, especially her Skill's damage redirection and her Talent's healing.
  • DEF: Provides a secondary layer of damage reduction, further enhancing her tanking capabilities.
  • Speed: Allows her to act more frequently, providing buffs and damage mitigation sooner. This is crucial for maintaining her Skill's uptime and ensuring consistent team protection.
  • Effect RES: Absolutely vital for Fu Xuan. It prevents her from being debuffed, which would cripple her ability to protect the team. High Effect RES is also a prerequisite for activating the powerful secondary effects of certain Planar Ornaments.

Recommended Relics:

The primary goal for Fu Xuan's Relics is to maximize her HP and DEF for survivability, with Speed being a secondary but highly valuable stat. Effect RES is also a key consideration, especially for Planar Ornaments.

  • 4-Piece Set Options:
    • 4-Piece Longevous Disciple: (2-Piece: Increases Max HP by 12%. 4-Piece: When the wearer is hit or undergoes an ally's heal, the CRIT Rate of the wearer increases by 6% for 2 turn(s). This effect can stack up to 4 time(s).) - This is currently Fu Xuan's best-in-slot 4-piece set due to the significant HP boost and the CRIT Rate buff, which synergizes well with her Ultimate and certain Light Cones.
    • 4-Piece Defender of the Past: (2-Piece: Increases DEF by 10%. 4-Piece: For every other 1-pc set worn by the wearer, the wearer gains 4% DEF and 4% Effect RES. The maximum of 5 stacks can be applied.) - A strong alternative if you have good substats on other sets, providing both DEF and Effect RES.
    • 4-Piece Messenger Traversing Hackerspace: (2-Piece: Increases SPD by 6%. 4-Piece: When the wearer uses their Ultimate, all allies' SPD increases by 12% for 1 turn. This effect can trigger every 20s.) - While the 4-piece effect is less impactful for Fu Xuan herself, the 2-piece SPD bonus is excellent, and the 4-piece can offer a minor team-wide buff. Often used as a 2-piece with another 2-piece set.
  • Best 2-Piece + 2-Piece Combinations:
    • 2-Piece Longevous Disciple + 2-Piece Defender of the Past: Maximizes HP and DEF for robust survivability.
    • 2-Piece Longevous Disciple + 2-Piece Messenger Traversing Hackerspace: Balances high HP with increased Speed for better action economy.
    • 2-Piece Defender of the Past + 2-Piece Messenger Traversing Hackerspace: Focuses on DEF and Speed, a solid option if HP substats are sufficient.

Relic Main Stats:

  • Head: HP (Flat)
  • Hands: ATK (Flat)
  • Body: HP% or DEF% (HP% is generally preferred for better scaling of her abilities)
  • Legs: HP% or DEF% or SPD (SPD is highly recommended for better uptime on her Skill and more frequent Ultimate usage)
  • Planar Sphere: HP% or DEF% (HP% is generally preferred)
  • Link Rope: HP% or DEF% or Energy Regeneration Rate% (HP% or DEF% are preferred for raw survivability, but ERR% can be considered if you struggle with Ultimate uptime and lack other sources)

Relic Substats Priority: HP% > DEF% > SPD > Effect RES > Crit Rate (if using Longevous Disciple 4-piece)

Recommended Planar Ornaments:

These ornaments provide crucial secondary effects that significantly boost Fu Xuan's utility and the team's performance.

  • 2-Piece Broken Keel: (Increases Effect RES by 10%. When the wearer's Effect RES is 30% or higher, all allies' CRIT DMG increases by 10%/12%/14%/16%/18%.) - This is her best-in-slot Planar Ornament. The significant CRIT DMG buff for the entire team, activated by reaching 30% Effect RES (easily achievable with substats and other effects), makes her an invaluable asset.
  • 2-Piece Fleet-Footed Celestial: (Increases Effect RES by 10%. When the wearer's Effect RES is 30% or higher, their SPD increases by 12%/14%/16%/18%/20%.) - A very strong alternative if you are struggling with Speed or want to further boost her action economy. The SPD bonus is substantial.
  • 2-Piece Realm-Tied Ceremony: (Increases DMG RES by 8%. When the wearer uses their Ultimate, DMG dealt by all allies increases by 10%/12%/14%/16%/18% for 1 turn.) - While the DMG RES is nice, the primary benefit is the team-wide DMG buff. It's a decent option but generally outclassed by Broken Keel and Fleet-Footed Celestial.

Planar Ornament Main Stats:

  • Planar Sphere: HP% or DEF%
  • Link Rope: HP% or DEF%

Planar Ornament Substats Priority: Effect RES > HP% > DEF% > SPD

Recommended Light Cones:

Fu Xuan's Light Cone choices should focus on increasing her HP, DEF, or providing team-wide buffs.

  • Best-in-Slot: On the Moment of Creation (Preservation) - Increases the wearer's Max HP by 16% and their DMG RES by 12%. When the wearer takes DMG, the wearer gains 1 stack of Oblation, increasing DMG dealt by 2% per stack. This effect can stack up to 8 times. When the wearer's HP is 50% or higher, the wearer gains 1 stack of Oblation. - This is Fu Xuan's signature Light Cone and is incredibly powerful, boosting her HP, DMG RES, and damage output.
  • Excellent Alternative: She Already Shut Her Eyes (Preservation) - Increases the wearer's Max HP by 18% and Energy Regeneration Rate by 30%. When the wearer uses their Ultimate, DMG dealt by all allies increases by 30% for 1 turn. - This Light Cone provides a massive HP boost and a significant team-wide DMG buff upon using her Ultimate, making it a top-tier choice.
  • Good Alternatives:
    • Day One of My New Life (Preservation) - Increases the wearer's DEF by 12%. After entering battle, increases DMG RES of all allies by 8%. This effect can be stacked up to 4 times. - A solid choice for increasing her DEF and providing a consistent DMG RES buff to the team.
    • Landau's Choice (Preservation) - Increases the wearer's DMG RES by 16%. When the wearer is attacked, the chance to be targeted by the enemy is increased. Additionally, the wearer gains 1 stack of Subjugation when hit, increasing DMG dealt by 4% per stack. This effect can stack up to 5 times. - While the increased aggro can be a double-edged sword, the DMG RES and potential damage buff are beneficial.
  • F2P Option: Defense (Preservation) - Increases the wearer's DEF by 16%. - A simple but effective option for boosting her survivability through DEF.

Trace Priority:

Prioritize Traces that enhance her core abilities and survivability.

  1. Skill: Life! Quelling the Vermin: This is Fu Xuan's signature ability, allowing her to redirect damage and heal allies. Maxing this is paramount.
  2. Talent: Xuanyuan: Restores the Six Realms: This passive ability is the source of her self-healing and damage redirection. Upgrading it increases her sustain.
  3. Ultimate: Field of the Realms: Haven: While not her primary focus, her Ultimate provides team-wide buffs and can heal, making it a valuable upgrade.
  4. Basic Attack: Glimpse of the Past: This is her least important ability for her role as a Preservation unit. Upgrade it last.

Astrometric Traces (Passive Buffs):

  • Astrometric: Resilience: Increases Fu Xuan's Max HP. Essential for her overall survivability.
  • Astrometric: Flowing: Increases Fu Xuan's SPD. Crucial for action economy.
  • Astrometric: Vitality: Increases Fu Xuan's Effect RES. Very important for enabling Planar Ornament effects and preventing debuffs.

Gameplay Tips and Strategies:

  • Skill Management: Always aim to have Fu Xuan's Skill active. The damage redirection is her core mechanic. The Skill has a 3-turn duration, so be mindful of its cooldown.
  • Effect RES Threshold: Strive to reach at least 30% Effect RES to activate the secondary effects of Broken Keel and Fleet-Footed Celestial. This can be achieved through substats on Relics and Planar Ornaments, as well as her Vitality Trace.
  • Ultimate Usage: Use Fu Xuan's Ultimate when her HP is low to heal herself and the team, or when you need to reapply the buffs from her Skill, or to trigger team-wide DMG buffs from certain Light Cones.
  • Team Synergy: Fu Xuan excels in teams that can benefit from her damage mitigation and buffs. She pairs well with DPS characters who might be squishy or who can capitalize on the CRIT DMG buff from Broken Keel.
  • Boss Encounters: In challenging boss fights, prioritize keeping Fu Xuan's Skill active at all times. Pay attention to enemy attack patterns and be ready to use her Ultimate for emergency healing.
  • Debuff Prevention: Fu Xuan's ability to resist debuffs is critical. If she gets CC'd or afflicted with a strong debuff, her protective capabilities are severely hampered. Prioritize Effect RES to mitigate this risk.

By focusing on HP, DEF, Speed, and Effect RES, and equipping her with the right Relics and Planar Ornaments, Fu Xuan will become an unshakeable pillar of your team, ensuring their survival through even the most brutal encounters.