Fu Xuan Complete Preservation Guide

Version: 2.7+ | Last Updated: 2026-02-10 | Sources: Game8, IGN, Keengamer

Overview

Fu Xuan is a 5-star Quantum Preservation character who provides exceptional defensive utility. She redirects damage from allies to herself while providing CRIT Rate buffs, making her the most self-sufficient sustain unit in the game.

Why Fu Xuan is SS Tier Sustain

Solo sustain without needing a second defensive unit
Damage redirection protects entire team
Provides 12% CRIT Rate buff to party
HP% sharing increases team survivability
Self-healing through Ultimate and Talent
Works in virtually any team

Key Mechanics

Matrix of Prescience (Skill)

Applies matrix to all allies for 3 turns
Redirects 65% of damage allies receive to Fu Xuan
Increases party's max HP by percentage of Fu Xuan's HP
CRIT Rate buff: +12% to all allies

Talent: Bleak Breeds Bliss

When HP drops below 50%, heals herself
Can trigger once per battle
Provides emergency sustain

Ultimate

Deals Quantum damage
Heals all allies based on Fu Xuan's HP
Removes 1 debuff from all allies

Best Relic Sets

Recommended Setup

Slot	Set	Reason
4pc	2pc Longevous Disciple + 2pc Guard of Wuthering Snow	HP% + DMG reduction
2pc	Broken Keel	Effect RES + team CRIT DMG

Alternative Options

4pc Knight of Purity Palace (more shields)
2pc Longevous + 2pc any HP% set

Main Stats

Piece	Main Stat	Notes
Body	HP%	Always
Feet	SPD	For turn economy
Sphere	HP%	Always
Rope	Energy Regen or HP%	ER for more Ultimates

Substat Priority

HP% ★★★
SPD ★★
Effect RES ★★ (for Broken Keel)
DEF% ★★

Stat Benchmarks

Stat	Target
HP	7000+
DEF	1500+
SPD	134+
Effect RES	30%+ (for Broken Keel)

Best Light Cones

Rank	Light Cone	Notes
1	She Already Shut Her Eyes (Sig)	Best overall, HP + team heal
2	Moment of Victory	Taunt + DEF boost
3	Texture of Memories	Shield on hit
4	Landau's Choice	Aggro + DMG reduction
5	Day One of My New Life (4★)	F2P, team DEF buff
6	Defense (3★)	Starter option

Team Compositions

Universal Sustain

Fu Xuan + Any DPS + Any Supports
She works with literally everyone

Hypercarry Teams

Fu Xuan + Dan Heng IL + Sparkle + Tingyun
Fu Xuan + Seele + Sparkle + Tingyun
SP-positive (Fu Xuan's Skill lasts 3 turns)

Acheron Team

Fu Xuan + Acheron + Pela + Jiaoqiu
Provides sustain without stealing debuff slots

Follow-up Attack Team

Fu Xuan + Feixiao + Robin + Topaz
Replaces Aventurine if more sustain needed

Trace Priority

Priority	Trace	Reason
1	Skill	Core defensive ability
2	Talent	Emergency heal
3	Ultimate	Healing + damage
4	Basic ATK	Lowest priority

Gameplay Tips

Skill Duration: Matrix lasts 3 turns - manage SP efficiently
HP Threshold: Keep HP above 50% for Talent emergency heal
Ultimate Timing: Use for healing when team HP low
Broken Keel: Reach 30% Effect RES for team CRIT DMG buff
No Shields: She doesn't provide shields, just damage redirection

Eidolon Analysis

E	Value	Effect
E0	★★★★★	Complete kit
E1	★★★★	CRIT DMG boost on Ultimate
E2	★★★	More matrix HP sharing
E4	★★★★	Energy regen when hit
E6	★★★★★	Ultimate damage boost

Fu Xuan vs Other Sustains

Aspect	Fu Xuan	Aventurine	Luocha
Type	Damage redirect	Shields	Healing
Buffs	CRIT Rate	CRIT DMG	Cleanse
SP Economy	Great (3 turn skill)	OK	Great
Best For	Universal	FUA teams	Aggressive