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Heartstring Nocturne is a W-Engine of S rarity in Zenless Zone Zero (ZZZ). See the best characters for Heartstring Nocturne, its stats and effects, how to get it, and its ascension materials in this guide!
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List of Contents
| Heartstring Nocturne W-Engine Details | |||
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Heartstring Nocturne |
S Rank
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Type |
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| Base ATK | 48 | Adv. Stat | CRIT Rate 9.60% |
| Effects | String & Melody CRIT DMG increases by 50%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 12.5% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
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| Agent Information | ||
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Evelyn Chevalier
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Rarity | |
| Attribute | ||
| Specialty | ||
| Faction | ||
| Core Stat | CRIT Rate | |
| How to Get | Limited Gacha | |
Heartstring Nocturne is the signature weapon of Evelyn, one of the Agents you can play as in Zenless Zone Zero. This also means that Evelyn is the primary recommended Agent to use this W-Engine.
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The recommended agents for this W-Engine are arranged from most to least recommended.
Heartstring Nocturne is a plausible option for any Attack Agent due to its massive CRIT Rate and CRIT DMG boosts, but it works best with Fire Attack Agents due to its Fire RES bypass.
Evelyn is the best Agent to equip this W-Engine on, but it can also be an excellent option for Soldier 11 and Orphie and Magus.

Heartstring Nocturne had its latest rerun in the Dazzling Melody W-Engine Banner during Phase 2 of Version 2.2, which ran from September 24, 2025 to October 14, 2025, alongside Evelyn's Rerun Banner.
This banner has since ended. Since this is an exclusive S-Rank W-Engine, Proxies may not get this anywhere else. A rerun of it may occur sometime in the near future, so stay tuned for more updates!
| Lv. | Base ATK | Adv.Stat (CRIT Rate) |
|---|---|---|
| Base | 48 | 9.60% |
| 10 | 166 | 12.50% |
| 20 | 284 | 15.40% |
| 30 | 402 | 18.20% |
| 40 | 520 | 21.10% |
| 50 | 638 | 24.00% |
| MAX | 713 | 24% |
| Lv. | Heartstring Nocturne W-Engine Effect |
|---|---|
| 1★ | CRIT DMG increases by 50%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 12.5% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
| 2★ | CRIT DMG increases by 57.5%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 14.5% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
| 3★ | CRIT DMG increases by 65%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 16.5% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
| 4★ | CRIT DMG increases by 72.5%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 18.5% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
| 5★ | CRIT DMG increases by 80%. When the equipper enters combat, or activates a Chain Attack or Ultimate, they gain 1 stack of Heartstring. Each stack of Heartstring allows the wearer's Chain Attack and Ultimate DMG to ignore 20% of the target's Fire RES. This effect can stack up to 2 times and lasts 30s. Repeated triggers reset the duration. |
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Heartstring Nocturne W-Engine (Weapon) Guide



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