Lost Void
Withered Domain
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Zenless Zone Zero (ZZZ)
Hollow Zero Guide and Rewards
☆ New: Tier List Maker & Community Tier List Contest!
★ Upcoming: Version 2.5, Zhao, & Ye Shunguang!
☆ 2.4 Agents: Dialyn, & Banyue
★ 2.3 Phase 2: Yidhari Release & Ju Fufu Rerun
☆ Tier Lists: Agents | W-Engines | Bangboos | Teams
★ Redeem Codes for free Polychromes!
Hollow Zero is a TV array and a combat mode that challenges you to clear stages and zones in Zenless Zone Zero (ZZZ). See how to unlock Hollow Zero, all modes and stages, including information on Resonia and Combat Configuration, and the rewards here!
List of Contents
Hollow Zero Latest Updates
Perpetrator Battle
New content for Perpetrator Battle has been added in Version 2.3. Lucia's stages, Night Purifier, are now available for Proxies to challenge.
How to Unlock Hollow Zero
Progress The Art of War Lite Edition in Chapter 1 - Intermission
Hollow Zero unlocks during the Art of War Lite Edition commission in Chapter 1 - Intermission. This intermission will come after completing Cat's Lost and Found, which is the part where you will unlock the time system and side commissions.
Chapter 1 - Intermission Quest Guide
Accessible via Scott Outpost
Hollow Zero is accessible by going to the Scott Outpost Interior. It's inside the big tent and will be located on the left of the entrance.
What is Hollow Zero?
TV Array and Combat Challenges
Hollow Zero is currently split into two categories: Depths Investigation and Area Investigation. The Depths Investigation is where all the main rewards can be obtained, including those that are reset every week.
Hollow Zero Game Modes
Click to jump to a mode or stage guide!
Depths Investigation has two modes: Lost Void and Withered Domain, where Proxies will face various challenges to progress their License Level. Unlock higher License Levels to claim more rewards!
Area Investigation Category
Area Investigation is where you can access Hollow Zero events such as the Mystery of Arpeggio Fault. This is another roguelike game mode that uses the HDD Exploration format.
The Mystery of Arpeggio Fault Event Guide
Hollow Zero Lost Void
Lost Void Explained
In Lost Void, Proxies explore Hollow Zero by going through combat challenges with a set team of Agents. Before heading in, you can choose unique effects that will aid your squad.
The different modes in Lost Void will change up the different buffs you can select for your team. The availability of Agents will also depend on which mode you choose to play.
Task Force Investigation
In Task Force Investigation, Proxies can explore Lost Void and take on the Miasma Priest or the Wandering Hunter as the final boss. More bosses may be added to this mode in future updates.
Rewards and featured Agents are reset regularly, so be sure to clear this at least once a week.
Task Force Investigation Guide
Perpetrator Battle
Face a series of combat challenges while using specific Agents. New Agents and challenges are added to this mode over time.
Battlefront Purge
Explore Lost Void and confront Geppetto in the final encounter. Weekly buffs and modifiers are available to choose before entering.
Shadow Operation
Fight your way through the Hollow with the help of several supplies that provide unique effects.
Special Operation
Here, Proxies will get to experience a special story mode involving some of the characters stationed at Scott Outpost.
Hollow Zero Withered Domain
Withered Domain Explained
In Withered Domain, Proxies will go through five different zones in the HDD Exploration format before challenging Nineveh in Inferno Reap - the sixth and final zone. Resonia kits obtained in the fifth zone, Withering Garden, can be saved and used against Nineveh in Inferno Reap.
Qualification Assessment
Qualification Assessment is the first zone you can unlock in Withered Domain. This zone consists of two stages: the Edge and Frontline stages.
Qualification Assessment Guide
Old Capital Metro
Old Capital Metro is the second accessible zone in Hollow Zero. It consists of 5 stages: the Edge, Frontline, Interior, Heartland, and Core stages.
Construction Ruins
Construction Ruins is the third accessible zone in Hollow Zero. It consists of 4 stages: the Frontline, Interior, Heartland, and Core stages.
Abandoned Skyscraper
Abandoned Skyscraper is the fourth accessible zone in Hollow Zero. It consists of 3 stages: the Interior, Heartland, and Core stages.
Withering Garden
Withering Garden is the fifth accessible zone in Hollow Zero. It only consists of one stage, but you can add modifiers to increase the difficulty and get more rewards.
Resonia kits obtained here can be saved and used in Inferno Reap.
Withering Garden Guide
Inferno Reap
Inferno Reap is the sixth zone of Hollow Zero and involves fighting an undefeatable version of Nineveh. Proxies will be rewarded by the total DMG that can deal to Nineveh in either a single fight or throughout all fights against her.
Be sure to bring your best characters with you and pair them up with the best Resonia Kit, which you can build by acquiring Resonia in the Withering Garden and saving them after your run.
Inferno Reap Guide and How to Beat
Other Hollow Zero Guides
Other Notable Hollow Zero Guides
| Hollow Zero Guides | |
|---|---|
 List of Resonia |
 List of Corruption |
Hollow Zero Rewards
Total Lost Void License Level Rewards
| Lost Void License Level Rewards | ||
|---|---|---|
 Polychrome
x3,200 |
 Denny
x2,000,000 |
 Inter-Knot Credit
x24,000 |
 Boopon
x80 |
 Victoria Housekeeping Coupon
x40 |
 Ether Electrolyte
x18 |
 Energy Transfer Fluid
x12 |
 Concentrated Cooling Fluid
x74 |
 Bangboo System Widget
x5 |
 Hamster Cage Pass
x1 |
 Tuning Calibrator
x1 |
 Hi-Fi Master Copy
x180 |
Lost Void License level rewards also include the Puppeteer's Letter namecard and Final Dose avatar. Proxies can also obtain five copies of Brawlerboo here.
You can get these rewards above as you play through different Lost Void modes. The License Level for Lost Void is currently capped at 200, but it may be increased in a future update.
Total Withered Domain License Level Rewards
| Lost Void License Level Rewards | ||
|---|---|---|
|
Polychrome
x1,440 |
Denny
x900,000 |
Inter-Knot Credit
x10,800 |
|
Boopon
x36 |
Ether Electrolyte
x18 |
Energy Transfer Fluid
x12 |
|
Concentrated Cooling Fluid
x30 |
Bangboo System Widget
x10 |
Tuning Calibrator
x1 |
|
Hi-Fi Master Copy
x48 |
||
The Withered Domain License level rewards also include the Winding Roses namecard and Fragrant Infusion avatar. Proxies can also obtain five copies of Booressure here.
You can get these rewards above as you play through different Withered Domain zones. The License Level for Withered Domain is currently capped at 90, but it may be increased in a future update.
Collect Resonia, Corruption, Special Events, and Lost Items
| One Task Completed | Polychrome
x20 Denny
x1000 |
|---|---|
| White Star Allowance | Polychrome
x80 Note: This reward will progress after collecting the rewards for each task completed. |
You can get additional rewards, mostly Polychromes, when you unlock a certain number of new Resonia, Corruption, Special Areas, and Lost Items. You can get the rewards by talking to Ray near Hollow Zero.
Bounty Commission Rewards
Completing Bounty Commissions will reward you Z-Merits that you can use in Casper's Shop to purchase valuable items, such as Master Tapes and Boopons.
Bounty Commissions also have other rewards such as Inter-Knot Credits, Polychromes, and Dennies!
How to Play Hollow Zero
Hollow Zero Gameplay Guide
- Select Game Mode
- Explore Zones
- Collect Resonia
- Earn Investigation Points
- Level Up Investigation License
- Complete Bounty Commissions
Select Game Mode
Interact with the Hollow Zero console at Scott Outpost and select your preferred mode. You can choose between Lost Void or Withered Domain.
Explore Various Zones
Regardless of which mode you choose, you will be tasked with exploring various zones and stages as you make your way toward the final boss.
Collect Resonia to Get Combat and Exploration Buffs
In Hollow Zero, navigating the floors will earn you various types of Resonia, which buff your Agents and help them defeat your opponents, including the boss at the end of the exploration.
Also, obtaining Resonia of the same type will allow them to join together and become one, which makes them more powerful.
Earn Investigation Points
Exploring Hollow Zero gives you Investigation Points, which you can use to raise the level of your Investigation License. The Investigation License progression for Lost Void and Withered Domain is separate.
There is a limit to how many points you can earn per week. This limit increases as you level up your License.
Level Up Investigation License to Get Rewards
Leveling up your Investigation License will net you various rewards and also increase the weekly limit of Investigation Points you can earn through exploration.
The maximum level for the Investigation License is until Level 60.
Complete Bounty Commissions
Aside from the Investigation License and Combat Configuration, Hollow Zero also has Bounty Commissions. These are time-limited commissions that give you rewards upon completion and refresh weekly.
The tasks for each Bounty Commission are random and the rewards also change every reset.
Zenless Zone Zero Related Guides
Guides by Category
| Zenless Zone Zero Categories | |
|---|---|
 News and Game Info |
 Redeem Codes |
 Characters |
 Tier Lists |
 W-Engine |
 Drive Discs |
 Signal Search |
 Bangboo |
 Events |
 Travel |
 Shops |
 VR Device |
 Enemies |
 Bosses |
 Hollow Zero |
 Shiyu Defense |
 Rally Commissions |
 Arcade (Godfinger) |
 Items |
 Commissions |
 Mewmew Medals |
 Trust Events |
 Suibian Temple |
- |
Zenless Zone Zero Tips and Tricks
Author
Hollow Zero Guide and Rewards
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You do hit a limit on Z-Merits. In the safe zone, they'll be greyed out once you hit that limit. I've been grinding Hollow Zero too much this week lol