The Vault Overview
what it doesThe Vault is an A-Rank Support W-Engine in Zenless Zone Zero with 625 base ATK and 50% Energy Regen at max level; it is the best-in-slot W-Engine for Nicole Demara.
- Rank
- A-Rank
- Specialty
- Support
- Base ATK (max)
- 625
- Substat
- Energy Regen 50%
- Best for
- Nicole Demara
- Refinements
- R1 – R5
Passive by Refinement
R1 → R5| Rank | Passive effect |
|---|---|
| R1 | Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +15%; equipper Energy Regen +0.5/s for 2s. |
| R2 | Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +18.75%; equipper Energy Regen +0.63/s for 2s. |
| R3 | Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +22.5%; equipper Energy Regen +0.75/s for 2s. |
| R4 | Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +26.25%; equipper Energy Regen +0.88/s for 2s. |
| R5 | Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +30%; equipper Energy Regen +1/s for 2s. |
Stat Progression
Lv10 → Lv60| Stat | Lv10 | Lv20 | Lv30 | Lv40 | Lv50 | Lv60 | Max |
|---|---|---|---|---|---|---|---|
| Base ATK | 42 | 120 | 222 | 329 | 430 | 527 | 625 |
| Energy Regen | 20% | 25% | 30% | 35% | 40% | 45% | 50% |
Max column is Lv60 after the final Modification.
Used By
recommended onThe Vault FAQ
quick answersWhat does The Vault do in Zenless Zone Zero?+
The Vault is an A-Rank Support W-Engine. At max level it provides 625 base ATK and 50% Energy Regen. Its passive at R1: Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +15%; equipper Energy Regen +0.5/s for 2s.
Who is the best agent for The Vault?+
The Vault is the best-in-slot W-Engine for Nicole Demara (Ether Support).
Is The Vault worth refining to R5?+
Refinement only upgrades the passive, not the base stat or substat. At R1 the passive reads: Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +15%; equipper Energy Regen +0.5/s for 2s. At R5 it reads: Ether DMG via EX/Chain/Ultimate: all squad DMG vs target +30%; equipper Energy Regen +1/s for 2s. 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 The Vault?+
The Vault reaches 625 base ATK at max level (Lv60, Modification 5), starting from 42 at Lv10. Its Energy Regen substat grows from 20% to 50%.
Which agents can equip The Vault?+
Only Support agents can use The Vault's passive — any agent can slot it, but the passive stays inactive on other specialties. Support agents include Astra Yao, Rina, Sunna, Nicole Demara, Soukaku, Lucy, Yuzuha.

