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With numerous characters inZenless Zone Zero, you may create customized teams to succeed in battles as you explore the Hollows around New Eridu. Each character belongs to a different faction and has their own personalities and skill set that makes them unique.
One of the first characters you’ll have access to is Billy Kid, an android that’s part of the Cunning Hares. As a Hollow Raider, he’s known for causing a bit of trouble, but he’s got a passion for games and his friends that can’t be beat. Here’s how you may make the most of a free character to carry you through the game!

Best Billy Builds
Thankfully,Billy is a free-to-play character, so he’ll beunlocked early in the game. Once you have him, you may focus onbuilding him into a stable agentthat will help youcomplete even late game commissions.
His vibrant personality is nothing to scoff at. His admiration for the Starlight Knight drives him to action, somake the most of his skillsto model him after his hero.

1
Starlight Engine Replica
This engine captures the Starlight Knight perfectly, and itincreases Billy’s Physical damagewhen firing from a distance. This isthe perfect model W-Engine for Billy, as it was designed to keep him away from enemies whilemaximizing his damage output.
2

The Brimstone
The next best W-Engine for Billy isSoldier 11’s signature W-Engine. After hitting an enemy,Billy’s attack will increasefor a few seconds.The effect can stack, making it a great way to ramp up your damage output.
3

Steel Cushion
Nekomata’s signature W-Enginehas a great impact on Billy as well. With aflat increase to Physical DMGas well as anadded bonus when attacking from behind, the Steel Cushion gives you moreincentive to move around the combat areato get the drop on your enemies.
4

Starlight Engine
The Starlight Engine is a useful, and easier to find, option for Billy. Whenever he launches a Dodge Counter or Quick Assist, hisATK will increasefor a few seconds. While not as useful as the aforementioned W-Engines, a skilled player can make this quite effective.
5

Street Superstar
Chain attacks are the key to successfully using this W-Engine. The effect of this W-Engine gives Charge stacks, which will be consumed toincrease the damage of Billy’s Ultimate attack. Given that this attack sprays bullets everything, it’s a good idea to increase how hard they hit.
Synergy With Billy
Puffer Electro
With a four-piece set, these Drive Discsincrease Billy’s PEN ratioalong with his Ultimate attack and standard attack damage.
Fanged Metal
Fanged Metal is great in a four-piece set to ensureBilly does immense damage after another squad member inflicts Assault on an enemy, and it increases his Physical damage as well.
Woodpecker Electro
As a two-piece set, Woodpeckerenhances Billy’s CRIT Rate. The more likely he is to incur more damage, the quicker your enemies will fall.
Best Bangboo For Billy
All Bangboo in Zenless Zone Zerohave a purpose, and you canbring one with you into combatto act as support. Here are thebest Bangboos to support Billy, from dealing more damage to recovering HP in combat:
Amillion
While Amillion isNicole’s personal Bangboo, Billy is the Cunning Hare that gets the most out of it. Amillion’s attacks involvebuilding and mounting a machine gunas well as dealing increased damage with Chain attacks if you havemore than two Cunning Haresin your party.
Bagboo
Bagboo is easier to obtain than an S-Rank Bangboo, and itdeals plenty of Phsyical DMG to enemiesin combat. SInce Billy is an Attack character, Bagboo dealsadditional Chain Attack damage.
Avocaboo
Avocaboo is a versatile companion that will happilyheal you up to 15 timesin combat. It’s a great addition to almost any team soyou can stay focused on fightingwhile Avocaboo fires juice at you. If youadd a Support character, like Nicole, to your party, you’ll recover even more HP.
Billy Skill Overview And Priority
Every character has the same breakdown of skills that can be upgraded, but not every skill is as useful to one character as it is another. For Billy, you’ll want toprioritize skills that increase his overall damage output.As a DPS, his main priority is dealing as much damage as he can in a small timeframe.
Billy’s basic attack is quite usefuland offers you a few moments to catch your breath while he fires at enemies from afar. However, you’ll also want toupgrade his Ultimate attackso he can spray bullets in a wide radius to hit multiple enemies.

His core skill is also invaluable, but it will take more time to find the resources for him.
Below is the best order to upgrade Billy’s skills for maximum efficiency:
you’re able to alwaysupgrade Assist over Dodgeif you prefer, but it’s not as efficient.