Zenless Zone Zero (ZZZ)

Hollow Zero Guide

Zenless Zone Zero - Hollow Zero Guide

Hollow Zero is an end game mode where you collect Resonia to overcome unknown challenges and formidable enemies in Zenless Zone Zero (ZZZ). See how to unlock Hollow Zero, the gameplay guide, and the rewards here!

The information here comes from the Closed Beta Test 3 (CBT3) of the game and from the 1.0 Release Livestream. This might change on release. We'll update this page once more details are available. Stay tuned!

Latest Updates

Hollow Zero is Now Accessible via Scott Outpost

Zenless Zone Zero - Hollow Zero Guide - Scott Outpost

As revealed in the Pre-Release Livestream, Hollow Zero must now be accessed by Proxies by going to the Scott Outpost as opposed to accessing it in Random Play.

Character Trust Grants Affinity Resonia

Another new feature confirmed in the Pre-Release Livestream is how Character Trust can grant Proxies Affinity Resonia.

Once a character's Trust reaches a certain level, these Resonia are aligned with their gameplay and will become available in Hollow Zero. Be sure to invite your Agents for hangouts regularly by sending them DMs!

1.0 Livestream Summary Guide

What is Hollow Zero?

An End Game Combat Challenge

ZZZ - Hollow Zero Guide - Most Expansive and Influential Hollow

Hollow Zero is an End Game Combat Challenge alongside Shiyu Defense and Rally Commission where you must enter the Hollow solve puzzles, gain Resonia buffs, and defeat all the enemies!

How to Unlock Hollow Zero

Complete Earlybird Ticket to Safety

As of the third beta test, Hollow Zero can be unlocked after completing the commission Earlybird Ticket to Safety. Afterward, your Inter-Knot permissions will increase and unlock Hollow Zero.

We will update this page if there are any new changes to Hollow Zero on the release of the game.

Hollow Zero Gameplay Guide

How to Play Hollow Zero

  1. Deploy Best DPS
  2. Collect Buff Items via Resonia
  3. Support Bangboos Buffs You
  4. Explore All the Zones
  5. Gain Investigation Points
  6. Level Investigation License Up
  7. Get Withered Crystals
  8. Unlock the Combat Configuration
  9. Get Extra Rewards from Bounties

Deploy Your Best DPS

ZZZ - Hollow Zero Guide - Deploy Your Best DPS
You start with only one Agent in Hollow Zero, so make sure to deploy your best DPS Agent since they will be exploring alone at first. You then have to find the other characters you have set through events on the board.

Also, you start with only three Agent slots but you will be able to unlock more eventually.

Collect Various Resonia to Buff Agents

ZZZ - Hollow Zero Guide - Collect Various Resonia to Buff Agents
In Hollow Zero, navigating the board 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.

Get More Buffs From Support Bangboos

ZZZ - Hollow Zero Guide - Get More Buffs From Support Bangboos
Through board events, you can also get Support Bangboos. These Bangboos are your normal Combat Bangboos except they cannot join in Chain Attacks or use their Chain Attack skills.

Explore Various Zones

ZZZ - Hollow Zero Guide - Explore Various Zones
Hollow Zero currently has five zones, with each zone having multiple stages: Edge, Frontline, Interior, Heartland, and Core. Some zones have five stages while others have three or four stages. It varies depending on the zone.

The Difficulty of each stage can range from Difficulty I to Difficulty V. Exploring zones give you Investigation Points and materials you can use to upgrade your Investigation License and Combat Configuration.

The higher the difficulty, the more Investigation Points and materials you get.

Complete Qualification Assessment

ZZZ - Hollow Zero Guide - Qualification Assessment
To unlock other Zones in Hollow Zero, you must first complete the Qualification Assessment Zone. This stage is initially unlocked and will be the first Zone you tackle.

Earn Investigation Points

ZZZ - Hollow Zero Guide - Earn Investigation Points
Exploring Hollow Zero gives you Investigation Points which you can use to raise the level of your Investigation License. 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

ZZZ - Hollow Zero Guide - Level Up Investigation License
Leveling up your Investigation License will net you various rewards and also increase the weekly limit of Investigation Points you can earn through exploration.

Each level has corresponding rewards and in CBT3, the maximum level for the Investigation License is until Level 60.

All Hollow Zero Rewards ▼

Earn Withered Crystals

Aside from Investigation Points, you also obtain Withered Crystals from exploring Hollow Zero. Different Zones in Hollow Zero yield different types of Withered Crystals, which you can then use to unlock nodes in Combat Configuration.

Unlock Nodes in Combat Configuration

ZZZ - Hollow Zero Guide - Mod Combat Configuration
Using Withered Crystals you have earned from exploring Hollow Zero, you can unlock nodes in your Combat Configuration. This system allows you to gain various mods and benefits during your missions.

Completely unlocking smaller nodes around larger nodes will unlock them, which provides massive buffs in Hollow Zero. There are three types of Withered Crystals, which means that each node will likely need different crystals to unlock.

Complete Bounty Commissions

ZZZ - Hollow Zero Guide - 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.

Pressure and Corruption System

Pressure and Corruption Explained

ZZZ - Hollow Zero Guide - Pressure and Corruption System
In Hollow Zero, every step you take on the board generates 10 Pressure. When Pressure reaches 100, a random Corruption will appear and Pressure will be cleared. Corruption can have effects on both combat and exploration.

You may remove Corruption through events on the board or by using the Observation Station at the end of every floor.

Hollow Zero Rewards

All Investigation License Rewards

Lv. Investigation License Rewards
1 Ether Electrolyte x18
2 Dennies x50000
3 Inter-Knot Credits x600
Polychromes x40
4 Coup-En x1
5 Polychromes x40
Military Plating Agent x6
6 Energy Transfer Fluid x6
7 Dennies x50000
8 Inter-Knot Credits x600
Polychromes x40
9 Coup-En x1
10 Polychromes x40
Bangboo Core x1
11 Energy Transfer Fluid x6
12 Dennies x50000
13 Inter-Knot Credits x600
Polychromes x40
14 Coup-En x1
15 Polychromes x40
Military Plating Agent x6
16 Concentrated Coolant x2
17 Dennies x50000
18 Inter-Knot Credits x600
Polychromes x40
19 Coup-En x1
20 Polychromes x40
Bangboo Core x1
21 Concentrated Coolant x2
22 Dennies x50000
23 Inter-Knot Credits x600
Polychromes x40
24 Coup-En x1
25 Polychromes x40
Military Plating Agent x6
26 Concentrated Coolant x2
27 Dennies x50000
28 Inter-Knot Credits x600
Polychromes x40
29 Coup-En x1
30 Polychromes x40
Bangboo Core x1
31 Concentrated Coolant x2
32 Dennies x50000
33 Inter-Knot Credits x600
Polychromes x40
34 Coup-En x1
35 Polychromes x40
Military Plating Agent x6
36 Concentrated Coolant x2
37 Dennies x50000
38 Inter-Knot Credits x600
Polychromes x40
39 Coup-En x1
40 Polychromes x40
Bangboo Core x1
41 Concentrated Coolant x2
42 Dennies x50000
43 Inter-Knot Credits x600
Polychromes x40
44 Coup-En x1
45 Polychromes x40
Military Plating Agent x6
46 Concentrated Coolant x2
47 Dennies x50000
48 Inter-Knot Credits x600
Polychromes x40
49 Coup-En x1
50 Polychromes x40
Bangboo Core x1
51 Concentrated Coolant x2
52 Dennies x50000
53 Inter-Knot Credits x600
Polychromes x40
54 Coup-En x1
55 Polychromes x40
Military Plating Agent x6
56 Concentrated Coolant x2
57 Dennies x50000
58 Inter-Knot Credits x600
Polychromes x40
59 Coup-En x1
60 Polychromes x40
Tuning Calibrator x1

In CBT3, Investigation License rewards range from Bangboo Ascension Materials, Coup-En, Inter-Knot Credits, Polychromes, Plating Agents, Bangboo Cores, and Dennies. Reaching Level 60 also gives you a Tuning Calibrator.

Bounty Commission Rewards

Bounty Commissions also have various rewards such as Inter-Knot Credits, Polychromes, Coup-En, Dennies, and many more!

Hollow Zero Release Date

Releases on July 04, 2024

Zenless Zone Zero (ZZZ) Release Date
ZZZ - Official Release Date July 4, 2024
Release Date July 4, 2024

Hollow Zero and Zenless Zone Zero will release on July 4, 2024. Stay tuned for the latest news and updates on our page below!

Latest News and Updates

Zenless Zone Zero Related Guides

Zenless Zone Zero - Back to Zenless Zone Zero Wiki Front

Zenless Zone Zero Wiki Front

Guides by Category

Zenless Zone Zero Categories
Zenless Zone Zero - News and Game Information News and Game Info Zenless Zone Zero - Redeem Codes Redeem Codes
Zenless Zone Zero - Character Guides Characters Zenless Zone Zero - W-Engines W-Engine
Zenless Zone Zero - Drive Discs Drive Discs Zenless Zone Zero - Signal Search Signal Search
Zenless Zone Zero - BangboosBangboo Zenless Zone Zero - Events Events
Zenless Zone Zero - Travel (Maps) Travel Zenless Zone Zero - Shops Shops
Zenless Zone Zero - VR Device VR Device Zenless Zone Zero - Enemies Enemies
Zenless Zone Zero - Bosses Bosses Zenless Zone Zero - Hollow Zero Hollow Zero
Zenless Zone Zero - Shiyu DefenseShiyu Defense Zenless Zone Zero - Rally Commission Rally Commissions
Zenless Zone Zero - Arcade Arcade (Godfinger)

Zenless Zone Zero Tips and Tricks

Gameplay Tips
Basic Combat Guide How to Daze and Stun
Chain Attack Guide Ultimate and Decibel Rating
Perfect Dodge and Counter Perfect Assists and Parries
Hollow Deep Dive Explained Attribute Anomaly

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