Xueyi
Who is Xueyi?
Xueyi is a 4★ Quantum DPS following the Destruction Path. Her mechanic is Karma — she accumulates stacks by reducing enemy Toughness (regardless of Weakness type), then unleashes a powerful 3-hit follow-up attack at max stacks. She is a unique off-element Toughness breaker who scales with Break Effect and CRIT, and is stronger than most 4★ DPS in endgame content. Source: prydwen.gg.
Kit Summary
Deals Quantum DMG to a single target; reduces Toughness to all enemies regardless of Weakness type.
Deals Quantum DMG to all enemies; all allies gain bonus Quantum RES PEN for 1 turn.
Gain Karma stacks by reducing Toughness; at 8 stacks unleash a 3-hit Quantum follow-up on a single target.
Universal Toughness-reducer and off-element breaker who pairs with any Break team.
Build Guide
🔮 Best Relic / Echo Set
4pc Genius of Brilliant Stars (Quantum DMG + DEF ignore — best overall) or 4pc Thief of Shooting Meteor (Break Effect + Energy on Break) + Rutilant Arena (planar, CRIT Rate + Basic/Skill DMG)
⚔ Best Light Cone / Weapon
Nowhere to Run (4★, ATK + HP recovery — standard pool) or A Secret Vow (4★, bonus DMG vs enemies with equal or higher HP)
📊 Substats Priority
👥 Best Teams
Xueyi + Ruan Mei + Harmony Trailblazer + Gallagher (Break/Super Break team).
Xueyi + any Quantum support + buffer + sustain (generalist team).
F2P Verdict
Standard pool. E4 increases Break Effect by 40% for 2 turns after Ultimate — a significant boost. E6 reduces Karma max stacks to 6, enabling faster follow-ups. High Eidolon value but functional at E0.
Frequently Asked Questions
Can Xueyi break enemies not weak to Quantum?
Yes — this is her defining trait. Her Skill and Karma follow-up reduce Toughness on any enemy regardless of their Weakness type, making her a universal Break contributor in any team.
Should Xueyi build Break Effect or CRIT?
Both — she benefits from CRIT for her Karma follow-up and Break Effect for her Toughness reduction utility. A hybrid build with both stats (roughly 100%+ Break Effect and 60%+ CRIT Rate) is ideal.