The Definitive Build & Analysis

Rarity	(4-Star)
Element	Pyro
Weapon	Catalyst
Best Role	Main DPS / Shield Support (C4)
CV Priority	CRIT > ATK% > EM > ER
Tier	A (DPS) / S (Tankfei)

Yanfei is Liyue's top legal adviser and a consistent Pyro Main DPS. She relies on her Scarlet Seals to reduce stamina consumption and deal massive Charged Attack damage. At Constellation 4, she unlocks a powerful shield, enabling the popular "Tankfei" support playstyle.

Quick Guide (TL;DR)

If you don't have time for the math, here is the cheat sheet.

Best Artifact (DPS): 4pc Crimson Witch (Vaporize) or 4pc Wanderer's Troupe (Charge Atk).
Best Artifact (Tankfei): 2pc Tenacity + 2pc Vourukasha (Max HP).
Best Weapon: Lost Prayer (5⭐) or The Widsith (4⭐ - The 6-Star Weapon).
F2P Weapon: Flowing Purity (Craftable) or Mappa Mare.
Main Stats (DPS): SANDS: ATK% or EM | GOBLET: Pyro DMG | CIRCLET: CRIT.
Talent Priority: Normal Attack > Elemental Burst > Elemental Skill.
Top Team: Yanfei + Xingqiu + Yelan + Bennett.

Pro Tip: Stamina Management is key. Never use a Charged Attack unless you have 3 (or 4 at C6) Scarlet Seals. This reduces the stamina cost to near zero and maximizes damage.

Talent Breakdown & Mechanics

Normal Attack: Seal of Approval

Scarlet Seals: Normal attacks grant Scarlet Seals (Max 3, Max 4 at C6).
The Mechanic: Each seal decreases Stamina consumption by 15% (or 25% at high talent) and increases Charged Attack DMG.
Charged Attack: Consumes all seals to deal massive AoE Pyro DMG. The area and damage scale with the number of seals consumed.

Elemental Skill: Signed Edict

Instant Max Stacks: Deals AoE Pyro DMG and instantly grants maximum Scarlet Seals.
Rotation: Use this, then immediately Charged Attack. Do not use Normal Attacks after Skill.

Elemental Burst: Done Deal

Cost: 80 Energy | Cooldown: 20s
Brilliance: Grants max Scarlet Seals immediately and enters "Brilliance" state.
Buff: Periodically grants Scarlet Seals over time and increases Charged Attack DMG. At C4, this creates a shield based on 45% of her Max HP.

Talent Priority Order:

Normal Attack (Level 9+) - The source of her Charged Attack damage.
Elemental Burst (Level 8) - For the DMG bonus and C4 Shield.
Elemental Skill (Level 6) - Least important for DPS.

Stat Requirements & ER Thresholds

Yanfei is energy-hungry (80 Cost Burst). Her requirements change drastically if you play her as DPS or Shield Support.

Role	Stat Priority	ER Requirement
Main DPS	CRIT > ATK > EM	120% - 140%
Tankfei (C4 Shield)	HP% > ER	200% - 250%

Substat Priority (DPS):

CRIT Rate / CRIT DMG (Target 70/140+)
Elemental Mastery (100+ for Vaporize)
ATK%
Energy Recharge

Best Artifacts Comparison

Set Name	Role	Reasoning
4pc Crimson Witch of Flames	Vaporize DPS	Standard BiS for reaction damage. Increases Overload/Vape damage significantly.
4pc Wanderer's Troupe	Charge DPS	Grants 35% Charged Attack DMG and 80 EM. Easier to farm via Strongbox. Very competitive with CW.
4pc Marechaussee Hunter	Furina Team	Only use with Furina. The 36% Crit Rate allows you to stack massive Crit DMG.
2pc Tenacity / 2pc Vourukasha	Tankfei	Maximize HP% for the strongest possible shield.

Weapon Rankings

Weapon	Type	Performance	Description
Lost Prayer to the Sacred Winds	CRIT Rate	S+	Consistent stats. Movement speed helps with kiting. Yanfei stays on field long enough to gain stacks.
The Widsith (R5)	CRIT DMG	S (RNG)	The "6-Star Weapon." If you roll the Elemental DMG or EM buff, it beats most 5-stars for 10s.
Sacrificial Jade	CRIT Rate	A (BP)	New Battle Pass weapon. Gives massive Crit Rate and EM/HP buffs.
Prototype Amber (R5)	HP%	S (Tankfei)	BiS for Shield Support. Heals the team and refunds energy, solving her ER issues.

Constellation Value

Yanfei needs C1 to feel smooth. C4 unlocks a new playstyle entirely.

C1: The Law Knows No Kindness - (Essential) Each Scarlet Seal reduces Stamina consumption by an additional 10% and increases resistance to interruption. Without this, she runs out of stamina instantly.
C4: Supreme Amnesty - (Tankfei Unlock) Using Burst creates a shield that absorbs damage equal to 45% of Max HP for 15s. This is one of the strongest shields in the game (Pyde element).
C6: Citation for Everyone - (DPS Peak) Increases Max Scarlet Seals by 1. This means Charged Attacks consume 0 Stamina and deal even more damage.

Verdict: C1 is mandatory for DPS. C4 is mandatory for Support.

Top Team Compositions

1. Classic Vaporize

Main DPS: Yanfei
Hydro: Xingqiu / Yelan
Buffer: Bennett
Flex: Kazuha / Sucrose / Zhongli

Why it works: Yanfei's long range allows her to drive Xingqiu's rain swords from a safe distance. Her normal attacks apply Hydro, and her big Charged Attacks vaporize it for 1.5x damage.

2. Tankfei Support (Hu Tao Team)

Main DPS: Hu Tao
Hydro: Xingqiu / Yelan
Anemo: Kazuha / Sucrose
Shield: Yanfei (C4 + Prototype Amber)

Why it works: Yanfei provides a shield and applies Pyro so Kazuha can Swirl it (shredding Pyro RES). This setup allows Hu Tao to deal massive damage while staying protected, without needing Bennett (who might heal her too much).

Rotations & Combos

The "N3C" Combo:
Normal x3 > Charged Attack. (Best for C0-C5 stamina management).

The "N2C" Combo:
Normal x2 > Charged Attack. (Higher DPS but consumes more stamina).

Burst Usage:
Q > Charged Attack > E > Charged Attack > Normal Combos.

Frequently Asked Questions

Is she better than Klee/Diluc?
She feels much smoother to play than Klee due to auto-targeting and range. Her damage ceiling is lower than Hu Tao/Lyney but comparable to Diluc. Her value skyrockets at C4 as a shielder.

Does she need a shielder?
At C0, absolutely. She is very squishy and gets interrupted easily during Charged Attacks. At C4, she is the shielder.

Data Source: KQM Standards. Last Updated: December 2025

Genshin Impact. Yanfei Guide