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Zenless Zone Zero (ZZZ)

Task Force Investigation Guide

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☆ 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
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Redeem Codes for free Polychromes!

Zenless Zone Zero Task Force Investigation Guide

Task Force Investigation is a new Lost Void game mode in Zenless Zone Zero (ZZZ). See how to beat Task Force Investigation, the best characters to bring, details, and all rewards here!

Hollow Zero: Lost Void Guides
Battlefront PurgeBattlefront Purge Task Force InvestigationTask Force Investigation Perpetrator BattlePerpetrator Battle

Task Force Investigation Overview

Current Task Force Agents

Featured Characters
Dialyn Dialyn Yixuan Yixuan Lucia Lucia
Next Reset December 8, 2025

These are the current Task Force Agents in Task Force Investigation. They are featured characters that gain substantial buffs when used to explore the Lost Void, either together in one team or in separate ones.

It would be wise to prioritize them when formulating your parties, which should be easy enough as they will be available for trial during the period in which they are featured.

Task Force Agents Reset Every Week

Featured Characters
Dialyn Dialyn Yidhari Yidhari Lucia Lucia
Yuzuha Yuzuha Alice Alice Ju Fufu Ju Fufu
Yixuan Yixuan Yanagi Yanagi Astra Astra
Miyabi Miyabi Evelyn Evelyn Jane Jane
Ellen Ellen Corin Corin Billy Billy

Task Force Agents rotate every week, but only between Agents who have Potential Catalysts and have their own Lost Void Gear. This list may expand if other Agents get their own Lost Void gear.

Ether Activities

Lv. Effect
1 You must complete the battle in the Boss room within 3m 30s. Exceeding this time limit will result in failure.
2 All enemies gain significantly increased Anomaly Buildup RES and gain further increased Anomaly Buildup RES when Stunned.
3 All Bosses start with Miasmic Shield, and the shield's limit is increased.
4 The store is no longer available in Friendly Talk, and all stores can only be refreshed once.
5 Mist Areas appear. Whenever entering a Mist Area, Agent's DMG dealt and DMG taken slightly increase.
6 Bosses in [Combat: Crisis on the Road] will be enhanced.
7 All enemies gain a substantial Shield. When Shielded, their Anti-Interrupt Level increases.
8 In [Combat: Crisis on the Road] and [Combat: Final Battle], on-field characters will gradually lose HP.
9 There is a chance for the Store to change into HP Store, and Agent attacks restore a small amount of HP.
10 Agent's DMG dealt increases, but Max HP reduces.
11 Increases Miasma Contamination from Miasma Corruption Attacks, and the DMG taken from triggering Miasma Corruption increases.
12 Golden and red prompts will no longer be displayed for enemies, but Defensive Assist, Evasive Assist, and Dodge Counter are enhanced.
13 Friendly Talk no longer provides Health Recovery.
14 Elite and Boss enemies enter the Demonized state, only exiting this state when Stunned.
15 Keeps accumulating Miasma Contamination upon entering combat, and Perfect Dodge, Defensive Assist, and Evasive Assist reduce some Miasma.

Selecting Ether Activities will make for a much challenging time in Task Force Investigation, but will yield greater rewards. Put your Agents to the test and see if you can handle as many Ether Activities as you can!

You can select multiple activities and tailor the challenge to your preferences!

Task Force Investigation Best Teams

Yixuan Hypercarry Team

Team Comp
Yixuan Yixuan Ju Fufu Ju Fufu Lucia Lucia Belion Belion
Gear Anomaly-Stun Solvent Launcher[Anomaly - Stun] Solvent Launcher

Considering how much Miasma enemies you're about to encounter, bringing along characters that excel in dispelling it and breaking Miasmic shields is the way to go.

Yunkui Summit members specialize in this so bring along Yixuan to take the frontlines, and either Pan Yinhu, Astra, Ju Fufu or Lucia for support.

Alternative Explanation
Pulchra Pulchra Stun Replacement
You can swap out Pan Yinhu with Pulchra if you're looking for a Stun unit that doesn't require much field time.
Pan Yinhu Pan Yinhu Support Replacement
Swap out Astra for Pan Yinhu as an A-Rank alterntative that buffs Sheer Force and provides healing.
Caesar Caesar Support Replacement
Swap out Astra for Caesar for shields to negate incoming DMG as well as to amplify attacks through her Core Passive.

Disorder Team

Team Comp
Astra Astra Miyabi Miyabi Yanagi Yanagi Agent Gulliver Agent Gulliver
Gear Ultimate Rhythmic Energy Saver[Ultimate] Rhythmic Energy Saver

Though a lot of the Miasma enemies you're about to encounter are resistant to Ice, Miyabi is more than capable of brute-forcing her way through hordes of them, especially when amplified by Astra and Yanagi's skills.

This will also hit two birds with one stone as you will be using two Task Force characters, which will lead to a more powerful team.

Alternative Explanation
Vivian Vivian Anomaly Replacement
You can swap out Yanagi or Miyabi with Vivian for additional Anomaly support and Disorder DMG.
Burnice Burnice Anomaly Replacement
Swap out Yanagi or Miyabi with Burnice to easily set up Disorder anomalies and stack up on DMG via overtime Burn DMG!
Jane Jane Anomaly Replacement
Jane is also a character with a Potential Catalyst, which means that you can acquire rewards if you use her in battle. She also works well with one of Miyabi's Program upgrades!

Alternate Disorder Team

Team Comp
Vivian Vivian Alice Alice Yuzuha Yuzuha Robin Robin
Gear Imperial Decree Dark Banner[Mobile] Imperial Decree - Dark Banner

Another great Anomaly team setup is one built around Alice. Vivian will be on the squad to help trigger Disorder while Yuzuha can provide buffs that will enhance the entire squad.

With both Alice and Yuzuha in your team, more gear will become available to you, leading to a stronger team!

Alternative Explanation
Jane Jane Anomaly Replacement
You can swap out Alice for Jane to as an alternative Physical Anomaly DPS.
Grace Grace Anomaly Replacement
You can swap out Vivian for Grace to go for a Shock team.
Burnice Burnice Anomaly Replacement
Swap out Vivian with Burnice to easily set up Disorder anomalies and stack up on DMG via overtime Burn DMG!
Piper Piper Anomaly Replacement
A more accessible Physical Anomaly DPS that can be swapped in for Alice.

How to Beat Task Force Investigation

Select Your Tactical Prism Program

Select your Tactical Prism Program

As you enter the Lost Void, you will find Ray and Ophelia to the right, and a researcher to the left. Speak to Ray to select a Tactical Prism Program, which is gear specific only to characters in your team that have Potential Catalysts.

Upon viewing your selected gear, you will see that when certain conditions are met, it can upgrade to provide its respective character additional buffs and optimizations. Be sure to view each gear thoroughly and select the one that suits your play style the most!

One Program Per Character

One Program per Agent

When selecting a Tactical Prism Program, do be very thorough. Once a program is selected, you will only get Tactical Prism Programs for the other Agents in your team moving forward.

Speak to the Researcher

Select your Tactical Prism Program Upgrade Condition

After getting your gear from Ray and Ophelia, speak to the researcher to the left of the stairs. He will give the conditions to upgrade your selected Tactical Prism Program.

It could either be passing 5 areas while not getting flung, or passing 8 areas without spending Gear coins, or even just merely passing a Price Difference area. Select one that is most doable for you to upgrade your gear easily!

Plot Your Course

Plot Your Course

Open up your map and determine which areas you'd want to pass. If you want more Resonia, you can select the Combat - Resonia areas.

Keeping in mind the conditions for your Tactical Prism Program upgrade, plot your course in accordance to the condition you selected. If it requires you to pass a specific area, choose a route that enables you to do so.

Defeat Bosses

Fight Bosses

At the end of each route is a Combat - Crisis on the Road, which will pit you against a random boss. The final boss is the Miasmic Priest.

Be sure to prepare beforehand, especially in Friendly Talk areas where you can rest and recuperate!

List of All Bosses

Task Force Investigation Rewards

Total Task Force Investigation Rewards

Total Event Rewards
PolychromePolychrome x920 Senior Investigator LogSenior Investigator Log x88 W-Engine Energy ModuleW-Engine Energy Module x96
Ether Plating AgentEther Plating Agent x14 Bangboo System WidgetBangboo System Widget x72 Hi-Fi Master CopyHi-Fi Master Copy x144
DennyDenny x660,000 - -

All Ether Activity Rewards

Ether Activity 1-8
Ether Activity 9-15

All Task Force Mission Rewards

Yuzuha

Objective Rewards
Clear Task Force Investigation with Agent Yuzuha
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Yuzuha (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Yuzuha at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Yuzuha at Ether Activity 8 or above
Denny Denny x15,000

Ju Fufu

Objective Rewards
Clear Task Force Investigation with Agent Ju Fufu
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Ju Fufu (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Ju Fufu at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Ju Fufu at Ether Activity 8 or above
Denny Denny x15,000

Yixuan

Objective Rewards
Clear Task Force Investigation with Agent Yixuan
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Yixuan (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Yixuan at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Yixuan at Ether Activity 8 or above
Denny Denny x15,000

Miyabi

Objective Rewards
Clear Task Force Investigation with Agent Miyabi
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Miyabi (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Miyabi at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Miyabi at Ether Activity 8 or above
Denny Denny x15,000

Yanagi

Objective Rewards
Clear Task Force Investigation with Agent Yanagi
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Yanagi (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Yanagi at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Yanagi at Ether Activity 8 or above
Denny Denny x15,000

Astra

Objective Rewards
Clear Task Force Investigation with Agent Astra
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Astra (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Astra at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Astra at Ether Activity 8 or above
Denny Denny x15,000

Evelyn

Objective Rewards
Clear Task Force Investigation with Agent Evelyn
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Evelyn (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Evelyn at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Evelyn at Ether Activity 8 or above
Denny Denny x15,000

Jane Doe

Objective Rewards
Clear Task Force Investigation with Agent Jane Doe
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Jane Doe (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Jane Doe at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Jane Doe at Ether Activity 8 or above
Denny Denny x15,000

Ellen

Objective Rewards
Clear Task Force Investigation with Agent Ellen
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Ellen (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Ellen at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Ellen at Ether Activity 8 or above
Denny Denny x15,000

Corin

Objective Rewards
Clear Task Force Investigation with Agent Corin
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Corin (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Corin at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Corin at Ether Activity 8 or above
Denny Denny x15,000

Billy

Objective Rewards
Clear Task Force Investigation with Agent Billy
Denny Denny x15,000
Activate a total of 6 Tactical Prism Programs for Billy (including initial and branch activations)
Denny Denny x15,000
Clear Task Force Investigation with Agent Billy at Ether Activity 4 or above
Denny Denny x15,000
Clear Task Force Investigation with Agent Billy at Ether Activity 8 or above
Denny Denny x15,000

Zenless Zone Zero Related Guides

Zenless Zone Zero Hollow Zero

Hollow Zero Guide

All Hollow Zero Game Modes

Hollow Zero Modes
Lost Void IconLost Void Withered Domain IconWithered Domain

Lost Void Stages

All Lost Void Stages
Task Force Investigation Perpetrator Battle
Shadow Operation Battlefront Purge

Withered Domain Stages

All Withered Domain Stages
Qualification Assessment Old Capital Metro
Construction Ruins Abandoned Skyscraper
Withering Garden Inferno Reap

Other Hollow Zero Guides

Hollow Zero Upgrades and Mechanics
Resonia Corruption

Comment

4 Faffitax Faffitax 4 months

They could say that the Tactical Prism Program is better for the characters that come out here.

2 Anonymous Anonymous 6 months

is it me or the new batch are way too tanky? I cant even pass through the 1st boss in med intensity unlike the 1st one

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