Chief Sidekick Overview
what it doesChief Sidekick is an S-Rank Stun W-Engine in Zenless Zone Zero with 714 base ATK and 24% CRIT Rate at max level; it is the best-in-slot W-Engine for Norma.
- Rank
- S-Rank
- Specialty
- Stun
- Base ATK (max)
- 714
- Substat
- CRIT Rate 24%
- Best for
- Norma
- Refinements
- R1 – R5
Passive by Refinement
R1 → R5| Rank | Passive effect |
|---|---|
| R1 | Impact +30; DMG ignores 15% of the target's Fire RES. Off-field: Energy Regen +0.4/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +12.5% for 30s (max 2 stacks, once per skill). Only one instance per squad. |
| R2 | Impact +33; DMG ignores 17.2% of the target's Fire RES. Off-field: Energy Regen +0.46/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +14.4% for 30s (max 2 stacks, once per skill). Only one instance per squad. |
| R3 | Impact +36; DMG ignores 19.5% of the target's Fire RES. Off-field: Energy Regen +0.52/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +16.3% for 30s (max 2 stacks, once per skill). Only one instance per squad. |
| R4 | Impact +39; DMG ignores 21.7% of the target's Fire RES. Off-field: Energy Regen +0.58/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +18.1% for 30s (max 2 stacks, once per skill). Only one instance per squad. |
| R5 | Impact +42; DMG ignores 24% of the target's Fire RES. Off-field: Energy Regen +0.64/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +20% for 30s (max 2 stacks, once per skill). Only one instance per squad. |
Stat Progression
Lv10 → Lv60| Stat | Lv10 | Lv20 | Lv30 | Lv40 | Lv50 | Lv60 | Max |
|---|---|---|---|---|---|---|---|
| Base ATK | 48 | 137 | 254 | 375 | 494 | 607 | 714 |
| CRIT Rate | 9.6% | 12% | 14.4% | 16.8% | 19.2% | 21.6% | 24% |
Max column is Lv60 after the final Modification.
Best Agents
recommended on
Ether · Stun
Fire · StunPassive active on Stun agents: Roxy, Norma, Lighter, Qingyi, Von Lycaon, Trigger, Dialyn, Ju Fufu, Nangong Yu, Starlight Billy, Koleda, Anby Demara, Pulchra.
Chief Sidekick FAQ
quick answersWhat does Chief Sidekick do in Zenless Zone Zero?
Chief Sidekick is an S-Rank Stun W-Engine. At max level it provides 714 base ATK and 24% CRIT Rate. Its passive at R1: Impact +30; DMG ignores 15% of the target's Fire RES. Off-field: Energy Regen +0.4/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +12.5% for 30s (max 2 stacks, once per skill). Only one instance per squad.
Who is the best agent for Chief Sidekick?
Chief Sidekick is the best-in-slot W-Engine for Norma (Ether Stun). It is a strong alternative for Koleda.
Is Chief Sidekick worth refining to R5?
Refinement only upgrades the passive, not the base stat or substat. At R1 the passive reads: Impact +30; DMG ignores 15% of the target's Fire RES. Off-field: Energy Regen +0.4/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +12.5% for 30s (max 2 stacks, once per skill). Only one instance per squad. At R5 it reads: Impact +42; DMG ignores 24% of the target's Fire RES. Off-field: Energy Regen +0.64/s. When an EX Special Attack deals Fire DMG, all Agents' DMG +20% for 30s (max 2 stacks, once per skill). Only one instance per squad. That is 1.4× 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 Chief Sidekick?
Chief Sidekick reaches 714 base ATK at max level (Lv60, Modification 5), starting from 48 at Lv10. Its CRIT Rate substat grows from 9.6% to 24%.
Which agents can equip Chief Sidekick?
Only Stun agents can use Chief Sidekick'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.