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Zenless Zone Zero Help Kai event guide: dates, rewards, and more

It's time to get those Polychromes!

The Help Kai event tasks Zenless Zone Zero players with completing the latest HIA Community Survey, which, needless to say, will demand a fair share of work both in and out of the hollows.

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So that you can claim the title of HIA’s most helpful surveyor and get a good amount of rewards, here’s everything you need to know about the Zenless Zone Zero Help Kai event, including how to complete all of its tasks and what you will get for doing so.

Zenless Zone Zero Help Kai Event Guide

Unlike most events in ZZZ, Help Kai features two sets of tasks, Weekly Goals and HIA Affairs. While the HIA Affairs ones will be available until the event ends on December 15, 2024, the tasks part of Weekly Goals will ā€”true to its nameā€” be refreshed on Monday, December 9, at 4 AM (server time). You can check out all of the tasks in each of the mentioned groups, as well as how to clear them below. We will be updating the piece once the Weekly Taks refresh, so don’t worry.

All Help Kai Weekly Goals Tasks (Week 1)

All Help Kai Weekly Goals tasks in Zenless Zone Zero
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You can complete a total of five tasks and get 200x Polychromes as part of the event’s current Weekly Tasks. As you can see below, while most of them can be completed by simply following your everyday itinerary, one will require both a little bit of effort and 1200 Battery Charges.

TaskRewardHow to Complete It Fast
Complete three Agent Invitation events this week40x Polychromes
2x W-Engine Energy Module
5,000 Zenni
By opening your Knock Knock and inviting three agents to hang out. You can unlock the ability to go out with your agents by completing Anby’s Problem.
Check in with a scratch card at the newsstand twice this week40x Polychromes
2x W-Engine Energy Module
5,000 Zenni
By heading to any newsstand and then either pressing ā—» or clicking on the scratch card.
Reach 400 Engagement points in Errands and claim your rewards for three days this week40x Polychromes
2x W-Engine Energy Module
5,000 Zenni
You will be able to reach 400 points in minutes by logging on, scratching a card, drinking a cup of coffee, and expending 160x Battery Charges.
Spend 1,200 Battery Charge this week40x Polychromes
2x W-Engine Energy Module
5,000 Zenni
By expending 240x Battery Charges five times at the HIA Club.
Complete a Hollow Zero Operation twice this week40x Polychromes
2x W-Engine Energy Module
5,000 Zenni
By completing the Wuthering Garden operation in Blitz Mode.

All HIA Affairs Tasks and How to Complete Them

All HIA Affairs tasks in Zenless Zone Zero.
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Unlike the more casual-friendly Weekly Goals, the six tasks part of HIA Affairs will put your mastery of many of ZZZ‘s modes to the test, including the Arcade. You can check out all of the HIA Affairs tasks, as well as how to complete them fast, below. Keep in mind that, unlike the Weekly Tasks, you won’t get Polychromes as rewards here.

TaskRewardHow to Complete It Fast
Spend 100 Z-Merits at the Logistics Shop: Outpost Logistics10x Original Chip
2x Senior Investigator Log
20,000 Denny
You can quickly get more than enough points by completing the first portion of the Wuthering Garden stage in Blitz Mode.
Clear Floor 10 in Simulated Battle Trial5x BooponNo shortcuts here. You can unlock Simulated Battle Trial by heading to the HIA Club.
Clear Bizarre Brigade on difficulty 3 or above once at the Godfinger Arcade10x Original Chip
2x Senior Investigator Log
20,000 Denny
Can be easily done by picking Gulpy as your protagonist.
Enhance Drive Discs for a total of 15 levels10x Original Chip
2x Senior Investigator Log
20,000 Denny
Self explanatory. Can only be done after you reach Inter Knock level 35 and unlock the ability to get S-Rank disks.
Complete the Outpost Beacon area in “The Mistery of Arpeggio Fault”10x Original Chip
2x Senior Investigator Log
20,000 Denny
The Outpost Beacon will be the fourth area available as part of the event and can only be visited this way. You can trigger the event after completing “Qualification Assessment Edge”.
Complete the 2 exchanges at San-Z STUDIO 10x Original Chip
2x Senior Investigator Log
20,000 Denny

By completing all Ridu Weekly Tasks and then visiting the store (You will get enough to buy one item at the store per week). You can unlock the Studio by completing the Store That Doesn’t Charge Dennies commission.

Now that you know everything you need to know about the Help Kai event, don’t forget also to check out All Zenless Zone Zero agents, ranked by how fun they are to play.


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Franklin Bellone Borges
An avid RPG fan, and someone who cannot seem to stop spending money while playing his favorite gacha games, Franklin began writing about games in 2018 and has since then been living the dream of working with what he loves. He joined the Destructoid team in May 2024 as a Contributing Writer and can always be found either thinking about Final Fantasy VII or eagerly waiting for news on Kingdom Hearts IV.