Zenless Zone Zero Billy is an A-Rank Physical agent, known for his dual revolvers and sharp shooting skills. A cyborg from the Cunning Hares faction, he excels at ranged burst damage and piercing attacks. Despite his laid-back, easygoing personality and love for idol groups, Zenless Zone Zero Billy is a dependable fighter in battle, capable of executing stylish combos and Chain Attacks that punish enemies from a distance with precision and flair.
Billy Build
Physical
Attack
Cunning Hares AKA Gentle House
HP
6906
ATK
785
DEF
605
Impact
91
Mastery
91
Proficiency
92
Billy Best Disk Drives Gear
Woodpecker Electro
Fanged Metal
Hormone Punk
Billy Best W-Engines Weapons

The Brimstone

Steel Cushion

Starlight Engine Replica

[Lunar] Pleniluna
Billy Best Bangboo

Bagboo
Disk 4: CRIT Rate / CRIT DMG
Disk 5: Physical DMG
Disk 6: ATK%
CRIT Rate / CRIT DMG
ATK%
PEN Ratio
Zenless Zone Zero Billy Guide: Skills
Full Firepower
Basic Attack
Press 
Risky Business
Dodge
Press 
Starlight Sanction
Dash Attack
When moving during a dodge press

When not moving during a dodge press

Fair Fight
Dodge Counter
Press 
Stand Still
Special Attack
Press 
Clearance Time
EX Special Attack
When Billy has enough Energy, press 
Starlight Mirage
Chain Attack
When a Chain Attack is triggered, select the character to activate. Unleashes a powerful piercing attack at surrounding enemies in a large area, dealing massive Physical DMG. Character is invulnerable while using this skill.
Starlight Sparkle
Ultimate
When Decibel Rating is at Maximum, press 
Steady Shot
Core Passive
Billy’s DMG increases by 25%/29.1%/33.3%/37.5%/41.6%/45.8%/50% when he enters Crouching Shot during his Basic Attack. The effect ends if he moves, returns to standby, or is knocked back or launched by an attack.
Team Starlight
Additional Ability
When another character in your squad shares the same Attribute or Faction: After Billy uses a Chain Attack, the DMG of his next Ultimate is increased by 50%, stacking up to 2 times. This effect resets whenever an Ultimate is activated.
Power of Teamwork
Quick Assist
When the on-field character is launched, press 
Flash Spin
Evasive Assist
When the character in combat is about to be attacked, press 
Fatal Shot
Assist Follow-Up
Press 
Zenless Zone Zero Billy Guide: Talents
Dazzling Entrance
A
When Billy hits an enemy with a Dash Attack or Dodge Counter, he gains an additional 2.7 Energy. Can trigger once every 5s.
Roaming Gunslinger
B
Billy’s Dodge Counter DMG increases by 25%. Rolling Shots during his Basic Attacks count as dodges, making Billy Invulnerable during skill activation and able to trigger Perfect Dodges. When a Rolling Shot triggers a Perfect Dodge, it will automatically follow up with a Dodge Counter.
Teachings of the Starlight Knights
C
Basic Attack, Dodge, Assist, Special Attack, and Chain Attack Lv. +2
Starlight Ballistics
D
When Billy hits an enemy with his EX Special Attack, the skill’s CRIT Rate increases based on the distance from the enemy. The closer he is to the target, the greater the effect, up to a maximum increase of 32%.
Lost Technological Construct
E
Basic Attack, Dodge, Assist, Special Attack, and Chain Attack Lv. +2
Starlight Hero
F
When Billy accumulates 10 hits on enemies or triggers a Perfect Dodge, his DMG increases by 6%, stacking up to 5 times and lasting until he’s knocked back or launched by an attack.
Zenless Zone Zero Billy Guide: Core Skill Enhancement
![]() | Requires: Agent Level 15 | CRIT Rate increases by 4.8% Core Passive: Steady Shot Skill Lv. +1 | x6,000 |
![]() | Requires: Agent Level 25 | Base ATK increases by 25 Core Passive: Steady Shot Skill Lv. +1 | x2 x12,000 |
![]() | Requires: Agent Level 35 | CRIT Rate increases by 4.8% Core Passive: Steady Shot Skill Lv. +1 | x4 x28,000 |
![]() | Requires: Agent Level 45 | Base ATK increases by 25 Core Passive: Steady Shot Skill Lv. +1 | x2 x9 x60,000 |
![]() | Requires: Agent Level 55 | CRIT Rate increases by 4.8% Core Passive: Steady Shot Skill Lv. +1 | x3 x15 x100,000 |
![]() | Requires: Agent Level 60 | Base ATK increases by 25 Core Passive: Steady Shot Skill Lv. +1 | x4 x30 x200,000 |
Zenless Zone Zero Billy Guide: Stat & Promotions
| Promotion Level | Level | Base HP | Base ATK | Base DEF | Promotion Cost (Gold) |
|---|---|---|---|---|---|
| 0 → 1 | 1/10 | 555 | 113 | 49 | x24,000 x4 |
| 10/10 | 1,233 | 173 | 108 | — | |
| 1 → 2 | 10/20 | 1,614 | 213 | 141 | x56,000 x12 |
| 20/20 | 2,367 | 280 | 207 | — | |
| 2 → 3 | 20/30 | 2,748 | 321 | 241 | x120,000 x20 |
| 30/30 | 3,502 | 389 | 307 | — | |
| 3 → 4 | 30/40 | 3,883 | 429 | 340 | x200,000 x10 |
| 40/40 | 4,637 | 496 | 407 | — | |
| 4 → 5 | 40/50 | 5,018 | 537 | 441 | x400,000 x20 |
| 50/50 | 5,771 | 604 | 507 | — | |
| 5 (Final) | 50/60 | 6,153 | 644 | 540 | — |
| 60/60 | 6,907 | 712 | 606 | — |
Zenless Zone Zero Billy Guide: Team
| Team | Bangboo | ||
Billy![]() | Nicole![]() | Anby![]() | Bagboo![]() |
![]() | ![]() | ![]() |
| Bangboo Alternatives |
Avocaboo![]() |
Zenless Zone Zero Billy Guide: Conclusion
Zenless Zone Zero Billy brings a fun, stylish edge to any team with his smooth gunplay and quirky personality. His ranged burst damage and Chain Attack potential make him a strong pick for players who enjoy fast-paced, skillful combat. While Zenless Zone Zero Billy may not match S-Rank agents in raw power, his synergy with Physical teams and consistent damage output make him a reliable and entertaining choice for both newcomers and veterans in Zenless Zone Zero.
Frequently Asked Questions (F.A.Qs)
❓How do you get Billy?
Zenless Zone Zero Billy is obtained for free during the story prologue and is available in all standard and limited banners, making him easy to build and use early in the game.
❓What is Billy’s combat specialty?
Zenless Zone Zero Billy focuses on piercing and burst damage from long range, excelling in hit-and-run tactics and crouching shots that chain into high-damage combos.
❓What’s Billy’s combat strength?
Zenless Zone Zero Billy excels at burst damage, AoE piercing, and long-range pressure. His fast-paced playstyle makes him rewarding for players who enjoy quick shots.
❓Is Billy viable late-game?
Yes, especially for free-to-play players. While not as strong as S-Ranks, Zenless Zone Zero Billy is very reliable and can shine with the right support and disc setup.

About the Author
Search
Account
Discord

x6,000
x2

x2

x4
x12
x10






