Hollow Zero
Last updated 2026-01-12

Hollow Zero, also known as Limbo, is the largest known Hollow in Zenless Zone Zero. It is also a major game system accessed in Scott Outpost.
Overview
Hollow Zero consists of several game modes with differing gameplay styles:
- Withered Domain: Withered Domain gameplay consists of the player controlling Eous around the Monitor Array, much in the same vein as HDD Commissions, with combat taking placed in instanced arenas. The player will choose a stage and a single starter Agent, then explore a procedurally generated Monitor Array, encountering various Hollow Events that can provide differing effects. In this mode, the player must also manage Pressure and Corruptions.
- Lost Void: Lost Void gameplay does not feature Monitor Array content, instead focussing on travelling between procedurally generated instanced-based events and combat encounters.
- Arpeggio Fault: Arpeggio Fault gameplay is purely focussed on Monitor Array gameplay, with all combat taking place within the Array itself. In this mode, instead of managing Pressure and Corruptions, the player must instead manage the "HP" and "ATK" stats of not only their accompanying Agent(s), but also themselves.
Resonia
While exploring Hollow Zero, Agents may collect an assortment of Resonia. Resonia give your team various combat buffs or an exploration buffs, which can be viewed in the Resonium Inventory on the left. Resonia can also be bought in Bangboo Shops in exchange for Gear Coins gathered during exploration, or picked up in certain mission-specific events.
License Level and Rewards
Bounty Commission
- Obtain Shadow Crystal Data from first clear rewards and regular rewards to complete the weekly and limited-time Bounty Commissions and obtain generous item rewards.
- You can complete 4 Bounty Commissions each week, with the Commissions divided into 4 difficulty tiers.
- As your Inter-Knot level increases, higher-tier Bounty Commissions will be unlocked during the next update, and completing them will reward you with even more generous rewards.
- Bounty Commissions will refresh every Monday at 04:00.
Ray's Research Log
Speaking to Ray at Outpost Interior will open Ray's Research Log, which acts as both an informational database and a reward system for discovering things and completing achievements within Hollow Zero. Here, the player can check their acquired Resonia, Corruptions, Special Areas, Collectibles, and Primers, and earn rewards based on the amount of things they have discovered. The player may also review various achievements they have completed within Hollow Zero, and collect rewards for completing achievements.
Trivia
Etymology
- Limbo is a theological concept referring to the state of souls that cannot enter neither heaven nor hell. Generally, it also refers to a liminal period of time or space.
Other Languages
Hollow Zero
| Language | Official Name |
|---|---|
| English | Hollow Zero |
| Chinese (Simplified) | 零号空洞 Línghào Kōngdòng |
| Chinese (Traditional) | 零號空洞 Línghào Kōngdòng |
| Japanese | 零号ホロウ Zero-gō Horō |
| Korean | 제로 공동공동 Jero Gongdong |
| Spanish | Cavidad Cero |
| French | Néantre Zéro |
| Russian | Нулевая каверна Nulevaya kaverna |
| Thai | Hollow Zero |
| Vietnamese | Lỗ Hổng Số 0 |
| German | Höhle Null |
| Indonesian | Hollow Zero |
| Portuguese | Esfera Negra N.º 0 |
Limbo
| Language | Official Name |
|---|---|
| English | Limbo |
| Chinese (Simplified) | 灵簿 Língbù |
| Chinese (Traditional) | 靈簿 Língbù |
| Japanese | リンボ Rinbo |
| Korean | 림보 Rimbo |
| Spanish | limbo |
| French | Limbes |
| Russian | Лимб Limb |
| Thai | Limbo |
| Vietnamese | Limbo |
| German | Limbo |
| Indonesian | Limbo |
| Portuguese | Limbo |
Change History
- Lost Void was released.
- Hollow Zero was restructured, with the original Version 1.0 "Array Mode" content being moved into Withered Domain.
- The Mystery of Arpeggio Fault was released.
- Hollow Zero was released.
References
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