Starlight Engine Replica Overview
what it doesStarlight Engine Replica is an A-Rank Attack W-Engine in Zenless Zone Zero with 625 base ATK and 25% ATK at max level; it is a recommended budget W-Engine for Billy Kid.
- Rank
- A-Rank
- Specialty
- Attack
- Base ATK (max)
- 625
- Substat
- ATK 25%
- Best for
- Billy Kid
- Refinements
- R1 – R5
Passive by Refinement
R1 → R5| Rank | Passive effect |
|---|---|
| R1 | Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +36% for 8s. |
| R2 | Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +45% for 8s. |
| R3 | Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +54% for 8s. |
| R4 | Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +63% for 8s. |
| R5 | Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +72% for 8s. |
Stat Progression
Lv10 → Lv60| Stat | Lv10 | Lv20 | Lv30 | Lv40 | Lv50 | Lv60 | Max |
|---|---|---|---|---|---|---|---|
| Base ATK | 42 | 120 | 222 | 329 | 430 | 527 | 625 |
| ATK% | 10% | 12.5% | 15% | 17.5% | 20% | 22.5% | 25% |
Max column is Lv60 after the final Modification.
Used By
recommended onStarlight Engine Replica FAQ
quick answersWhat does Starlight Engine Replica do in Zenless Zone Zero?+
Starlight Engine Replica is an A-Rank Attack W-Engine. At max level it provides 625 base ATK and 25% ATK. Its passive at R1: Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +36% for 8s.
Is Starlight Engine Replica worth refining to R5?+
Refinement only upgrades the passive, not the base stat or substat. At R1 the passive reads: Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +36% for 8s. At R5 it reads: Hitting enemy ≥ 6m away with Basic or Dash Attack: Physical DMG vs target +72% for 8s. That is 2× the R1 values. A- and B-Rank copies come from the standard banner and shop, so refining is cheap and usually worth it.
What is the max base ATK of Starlight Engine Replica?+
Starlight Engine Replica reaches 625 base ATK at max level (Lv60, Modification 5), starting from 42 at Lv10. Its ATK substat grows from 10% to 25%.
Which agents can equip Starlight Engine Replica?+
Only Attack agents can use Starlight Engine Replica's passive — any agent can slot it, but the passive stays inactive on other specialties. Attack agents include Sigrid, Pyrois, Zhu Yuan, Ellen Joe, Evelyn, Soldier 11, Silver Soldier Anby, Harumasa and 12 more.

