Starlight Billy Promotion, W-Engine & Skill Materials | Zenless Zone Zero

Starlight Billy is a new S-Rank Agent in Zenless Zone Zero (ZZZ) who makes his debut in ZZZ Version 2.8 Phase 2. For Proxies eager to pre-farm for him, we've compiled all the Starlight Billy materials you'll need to fully build him, including his Promotion Materials, Skill Materials, and Signature W-Engine Materials. Read on to start pre-farming before he arrives!

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Starlight Billy Total Materials

If you want to level up Starlight Billy from Lvl. 0 - 60 and max out all of his Skills, here is a summary of the materials you need:

Starlight Billy Materials			Total
Basic Physical Chip			25
Advanced Physical Chip			75
Specialized Physical Chip			250
Basic Rupture Certification Seal			4
Advanced Rupture Certification Seal			32
Arbiter Certification Seal			30
Clouded Crystalline Substance			9
Higher Dimensional Data: Bloodstained Miasma Feather			60
Hamster Cage Pass			5
Senior Investigator Log			300
Denny			3,705,000

Starlight Billy Signature W-Engine Materials

To level up Starlight Billy's signature W-Engine from 0-60, here's all the Promotion materials you need:

Starlight Billy W-Engine Materials			Total
Rupture Component			4
Reinforced Rupture Component			32
Specialized Rupture Component			30
W-Engine Energy Module			200
Denny			400,000

• How to get Specialized Rupture Component

Specialized Rupture Component can be obtained from the Combat Simulation - Rupture Resonator Test game mode, or crafted by combining 3x Reinforced Rupture Component. It is used to modify Rupture-model W-Engines, including Starlight Billy's signature W-Engine.

Starlight Billy Promotion Material Details

To level up Starlight Billy from 0-60, here are all the Promotion materials you need:

Starlight Promotion Materials			Total
Basic Rupture Certification Seal			4
Advanced Rupture Certification Seal			32
Arbiter Certification Seal			30
Denny			800,000

For more details, the following is Starlight Billy's Promotion materials for each level.

• How to get the Arbiter Certification Seal?

Arbiter Certification Seal can be obtained from the Combat Simulation - Rupture Drill game mode, or crafted by combining 3x Advanced Rupture Certification Seal. It is used to promote Rupture-specialty Agents, including Starlight Billy.

Starlight Billy Skill Material Details

To level up all of Starlight Billy's skills to the full, here are all the skill materials you need:

Starlight Billy Materials			Total
Basic Physical Chip			25
Advanced Physical Chip			75
Specialized Physical Chip			250
Clouded Crystalline Substance			9
Higher Dimensional Data: Bloodstained Miasma Feather			60
Hamster Cage Pass			5
Denny			2,905,000

And the following is Starlight Billy's skill materials for the Core Skill for each level.

Starlight Billy Skill Level	Starlight Billy Skill Materials
A	Denny x5,000
B	Higher Dimensional Data: Bloodstained Miasma Feather x2 Denny x12,000
C	Higher Dimensional Data: Bloodstained Miasma Feather x4 Denny x28,000
D	Clouded Crystalline Substance x2 Higher Dimensional Data: Bloodstained Miasma Feather x9 Denny x60,000
E	Clouded Crystalline Substance x3 Higher Dimensional Data: Bloodstained Miasma Feather x15 Denny x100,000
F	Clouded Crystalline Substance x4 Higher Dimensional Data: Bloodstained Miasma Feather x30 Denny x200,000

• How to get the Clouded Crystalline Substance?

Clouded Crystalline Substance can be obtained by defeating the Weekly Boss Ye Shiyuan the Thrall. You can unlock the Boss by completing one of the weekly boss challenges in the Notorious Hunt game mode.

• How to get the Higher Dimensional Data: Bloodstained Miasma Feather?

Higher Dimensional Data: Bloodstained Miasma Feather can be obtained by completing the Expert Challenge against Sacrifice - Covenant Guardian. It is used to enhance the Core Skills of Cissia and Sunna and will also be required for Starlight Billy.

For more details, the following is Starlight Billy's skill materials for Basic Attack, Dodge, Special Attack, Chain Attack, and Assist at each level.

Starlight Billy Skill Level	Starlight Billy Skill Materials
Lvl 1-2	Basic Physical Chip x2
Lvl 2-3	Basic Physical Chip x3
Lvl 3-4	Advanced Physical Chip x2
Lvl 4-5	Advanced Physical Chip x3
Lvl 5-6	Advanced Physical Chip x4
Lvl 6-7	Advanced Physical Chip x6
Lvl 7-8	Specialized Physical Chip x5
Lvl 8-9	Specialized Physical Chip x8
Lvl 9-10	Specialized Physical Chip x10
Lvl 10-11	Specialized Physical Chip x12
Lvl 11-12	Specialized Physical Chip x15 Hamster Cage Pass x1

• How to Get Hamster Cage Pass?

Hamster Cage Pass can be obtained through Events or from the New Eridu City Fund upon reaching level 35 (with an additional one if the Growth Plan is activated). It is used to enhance Agent Skills to their maximum level and is required by nearly all Agents in the game, including Starlight Billy.

Conslusion

That covers everything you need to know about Starlight Billy's materials in Zenless Zone Zero Version 2.8. By following this ZZZ 2.8 pre-farm guide, you'll have all his Promotion Materials, Skill Materials, and Signature W-Engine Materials ready before his Phase 2 debut. Start farming now and make sure Starlight Billy is fully built the moment he arrives in New Eridu. For players planning to obtain Starlight Billy, consider topping up on LootBar now! Just head straight to Zenless Zone Zero top-up page to enjoy big discounts. Good luck, Proxies!