Chen Qianyu Complete Build Guide

Version: 1.0 | Read time: 18 min | Updated: 2026-02-15

Character Overview

Attribute	Details
Rarity	⭐⭐⭐⭐⭐ (5-star)
Class	Guard
Element	Physical ⬜
Role	Sub DPS / Vulnerability Stacker
Tier	S - Physical Core
Acquisition	Story Quest (FREE!)

Why Chen Qianyu is F2P Gold

🆓 Completely free: Given through main story
⚔️ Vulnerability expert: Combo Skill stacks Vulnerable for free
💥 Low-cost Ultimate: Only 60 energy, spam frequently
🔄 Perfect synergy: Forms core duo with Endministrator
📈 Late game strong: Scales well with potentials

Vulnerability Mechanics

What is Vulnerable?

Vulnerability is the core mechanic of Physical damage. More stacks = more Physical damage taken.

Stacks	Physical DMG Amp
1	+10%
2	+20%
3	+30%
4	+40%
5 (cap)	+50%

Chen Qianyu's Vulnerability Kit

Combo Skill: "Eagle Eye Pursuit"

Attribute	Details
Trigger	Ally deals Finishing Blow
Effect	Apply Lift + 1 Vulnerable stack
Cost	FREE (no SP/energy)
Cooldown	3 seconds

Battle Skill: "Piercing Arrow"

Quick dash + Physical damage + Lift
Applies 1 Vulnerable stack on hit
25 SP cost

Ultimate: "Arrow Storm"

AoE Physical damage
Consumes all Vulnerable stacks
+20% damage per stack consumed
Only 60 energy (below average)

Best Weapons

Rank	Weapon	Stars	Rating
1	Rapid Ascent	⭐⭐⭐⭐⭐	⭐⭐⭐⭐⭐ Perfect
2	Sundering Steel	⭐⭐⭐⭐⭐⭐	⭐⭐⭐⭐ High quality
3	Aspirant	⭐⭐⭐⭐⭐	⭐⭐⭐⭐ Solid 5-star

Rapid Ascent (Best in Slot)

+20% damage to Lifted enemies
+15% ATK SPD after applying Lift
+25% Combo Skill damage

Best Gear Set

Swordmancer 3pc + Bonekrusha 1pc

Set	Bonus
Swordmancer 2pc	Physical DMG +12%
Swordmancer 3pc	+30% next normal attack after Battle Skill
Bonekrusha 1pc	+8% damage to Vulnerable enemies

Main Stats

Slot	Priority
Timepiece	ATK%
Goblet	Physical DMG%
Crown	Crit Rate% > Crit DMG%

Team Synergy: Endministrator + Chen Qianyu

Why They're the Golden Duo

Synergy	Details
Finishing Blow frequency	Endministrator combos trigger many
Vulnerable consumption	Endministrator's Crush uses stacks perfectly
SP efficiency	No conflicts
Acquisition	Both FREE

Full Physical Team

Slot	Character	Role	Alternative
Main DPS	Endministrator	Physical core	-
Sub DPS	Chen Qianyu	Vulnerability	-
SP Support	Pogranichnik	SP recovery	Akekuri
Support	Ardelia	Healing + Vulnerability	Estella

Rotation Flow

Endministrator normal combo → Finishing Blow
        ↓
Chen Qianyu Combo triggers → +1 Vulnerable
        ↓
Chen Qianyu Battle Skill → +1 Vulnerable
        ↓
Endministrator Battle Skill (Crush) → Consume stacks, burst
        ↓
Repeat → Ultimates for finisher

Ultimate Spam Strategy

Chen Qianyu's Ultimate only needs 60 energy - abuse this!

Quick stack Vulnerable → Chen Q (consume) → Restack → Q again

On Staggered enemies: Ultimate deals +50% damage. Always prioritize Ultimate during Stagger windows.

Potential Analysis

Potential	Effect	Value
P1	Combo Skill cooldown -1s	⭐⭐⭐⭐
P4	Vulnerable cap +1 (6 stacks)	⭐⭐⭐⭐⭐
P6	Combo Skill stacks +1 extra	⭐⭐⭐⭐⭐

Stat Priority

Priority	Stat	Notes
1	Agility	Main stat for Physical + speed
2	Strength	Secondary for ATK

Summary: Why You MUST Build Chen Qianyu

✅ Completely FREE
✅ Irreplaceable Physical core
✅ Perfect synergy with free protagonist
✅ Low investment, high returns
✅ Strong late game potential

Priority: Second after main DPS