Frostfall Sickle Overview
what it doesFrostfall Sickle is an S-Rank Anomaly W-Engine in Zenless Zone Zero with 714 base ATK and 30 Anomaly Mastery at max level; it is the best-in-slot W-Engine for Promeia.
- Rank
- S-Rank
- Specialty
- Anomaly
- Base ATK (max)
- 714
- Substat
- Anomaly Mastery 30
- Best for
- Promeia
- Refinements
- R1 – R5
Passive by Refinement
R1 → R5| Rank | Passive effect |
|---|---|
| R1 | Ice character Special/EX Special: Ice DMG +20% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +35%. |
| R2 | Ice character Special/EX Special: Ice DMG +25% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +43.75%. |
| R3 | Ice character Special/EX Special: Ice DMG +30% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +52.5%. |
| R4 | Ice character Special/EX Special: Ice DMG +35% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +61.25%. |
| R5 | Ice character Special/EX Special: Ice DMG +40% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +70%. |
Stat Progression
Lv10 → Lv60| Stat | Lv10 | Lv20 | Lv30 | Lv40 | Lv50 | Lv60 | Max |
|---|---|---|---|---|---|---|---|
| Base ATK | 48 | 137 | 254 | 375 | 494 | 607 | 714 |
| Anomaly Mastery | 12 | 15 | 18 | 21 | 24 | 27 | 30 |
Max column is Lv60 after the final Modification.
Used By
recommended onFrostfall Sickle FAQ
quick answersWhat does Frostfall Sickle do in Zenless Zone Zero?+
Frostfall Sickle is an S-Rank Anomaly W-Engine. At max level it provides 714 base ATK and 30 Anomaly Mastery. Its passive at R1: Ice character Special/EX Special: Ice DMG +20% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +35%.
Who is the best agent for Frostfall Sickle?+
Frostfall Sickle is the best-in-slot W-Engine for Promeia (Ice Anomaly).
Is Frostfall Sickle worth refining to R5?+
Refinement only upgrades the passive, not the base stat or substat. At R1 the passive reads: Ice character Special/EX Special: Ice DMG +20% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +35%. At R5 it reads: Ice character Special/EX Special: Ice DMG +40% for 40s (max 2 stacks, once per skill). At 2 stacks: Abloom DMG +70%. That is 2× the R1 values. S-Rank refinements cost duplicate limited pulls, so only refine if you already own extra copies.
What is the max base ATK of Frostfall Sickle?+
Frostfall Sickle reaches 714 base ATK at max level (Lv60, Modification 5), starting from 48 at Lv10. Its Anomaly Mastery substat grows from 12 to 30.
Which agents can equip Frostfall Sickle?+
Only Anomaly agents can use Frostfall Sickle's passive — any agent can slot it, but the passive stays inactive on other specialties. Anomaly agents include Remielle, Velina, Aria, Miyabi, Yanagi, Jane Doe, Vivian, Promeia and 3 more.

