Precious Fossilized Core Overview
what it doesPrecious Fossilized Core is an A-Rank Stun W-Engine in Zenless Zone Zero with 595 base ATK and 15% Impact at max level; it is a recommended budget W-Engine for Roxy.
- Rank
- A-Rank
- Specialty
- Stun
- Base ATK (max)
- 595
- Substat
- Impact 15%
- Best for
- Roxy
- Refinements
- R1 – R5
Passive by Refinement
R1 → R5| Rank | Passive effect |
|---|---|
| R1 | Daze +10% vs targets with HP ≥ 50%. Additional +10% Daze vs targets with HP ≥ 75%. |
| R2 | Daze +12.5% vs targets with HP ≥ 50%. Additional +12.5% Daze vs targets with HP ≥ 75%. |
| R3 | Daze +15% vs targets with HP ≥ 50%. Additional +15% Daze vs targets with HP ≥ 75%. |
| R4 | Daze +17.5% vs targets with HP ≥ 50%. Additional +17.5% Daze vs targets with HP ≥ 75%. |
| R5 | Daze +20% vs targets with HP ≥ 50%. Additional +20% Daze vs targets with HP ≥ 75%. |
Stat Progression
Lv10 → Lv60| Stat | Lv10 | Lv20 | Lv30 | Lv40 | Lv50 | Lv60 | Max |
|---|---|---|---|---|---|---|---|
| Base ATK | 40 | 114 | 211 | 313 | 410 | 503 | 595 |
| Impact | 6% | 7.5% | 9% | 10.5% | 12% | 13.5% | 15% |
Max column is Lv60 after the final Modification.
Used By
recommended on
Roxy
Wind · Stun
Lighter
Fire · Stun
Qingyi
Electric · Stun
Von Lycaon
Ice · Stun
Trigger
Electric · Stun
Dialyn
Physical · Stun
Precious Fossilized Core FAQ
quick answersWhat does Precious Fossilized Core do in Zenless Zone Zero?+
Precious Fossilized Core is an A-Rank Stun W-Engine. At max level it provides 595 base ATK and 15% Impact. Its passive at R1: Daze +10% vs targets with HP ≥ 50%. Additional +10% Daze vs targets with HP ≥ 75%.
Is Precious Fossilized Core worth refining to R5?+
Refinement only upgrades the passive, not the base stat or substat. At R1 the passive reads: Daze +10% vs targets with HP ≥ 50%. Additional +10% Daze vs targets with HP ≥ 75%. At R5 it reads: Daze +20% vs targets with HP ≥ 50%. Additional +20% Daze vs targets with HP ≥ 75%. 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 Precious Fossilized Core?+
Precious Fossilized Core reaches 595 base ATK at max level (Lv60, Modification 5), starting from 40 at Lv10. Its Impact substat grows from 6% to 15%.
Which agents can equip Precious Fossilized Core?+
Only Stun agents can use Precious Fossilized Core's passive — any agent can slot it, but the passive stays inactive on other specialties. Stun agents include Roxy, Norma, Lighter, Qingyi, Von Lycaon, Trigger, Dialyn, Ju Fufu and 5 more.
Ether · Stun
