Harmonic Pact is Astra Yao's TV Schedule in Zenless Zone Zero (ZZZ). See all the Harmoic Pact stages, how to play the Astra Yao TV Schedule, and all the rewards here!

Astra Yao TV Schedule Information

Harmonic Pact Event Guide

Event Start	January 22, 2025
Event End	March 10, 2025
How to Unlock	Reach Inter-Knot Lv. 15+ Complete Soldier 11 Agent Story
Rewards

Harmonic Pact is Astra Yao's TV Schedule Event where you can try out Evelyn and Astra's skills!

Other Events and Schedule

Harmonic Pact Stages and Schedule

All Astra Yao Event Stages

Click on the links to jump on a guide!

Astra TV Schedule Day 1 Fugitive March

Stage Targets	Complete the commission Complete the commission with no defeated characters Complete the commission with all Agents' HP above 30%
Effect	Perfect Pitch: When Astra Yao's sound attack hits an enemy, it will mark the target, increasing the DMG they take by 50% for 12s.
Trial	Agents: Astra , Evelyn Bangboo: Snap
Enemies	Arlaune - Energized Alpeca - Energized Tyrfing - Energized Sordidus - Energized

How to Beat Fugitive March

To beat this stage fast, you must first activate Astra Yao's Idyllic Cadenza State, then use Evelyn's Special Attack to group the enemies and beat them in one go!

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Astra TV Schedule Day 2 Trembling Inspiration

Stage Targets	Complete the commission Complete the commission with no defeated characters Complete the commission with all Agents' HP above 30%
Effect	Perfect Pitch: When Astra Yao's sound attack hits an enemy, it will mark the target, increasing the DMG they take by 50% for 12s. Stars and Strings in Harmony: When Evelyn uses a Chain Attack or Ultimate to hit a marked enemy, Astra Yao will perform an additional attack on the target after a brief delay, dealing area DMG.
Trial	Agents: Astra , Evelyn Bangboo: Snap
Enemies	Hollow Thug - Bulky Enforcer Hollow Thug - Raider Hollow Thug - Poacher Hollow Thug - Assaulter

How to Beat Trembling Inspiration

You can complete this stage quickly by utilizing Evelyn's Chain Attacks and Ultimate, which complement the stage effects very well and let Astra perform an additional follow-up AoE attack.

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Astra TV Schedule Day 3 Requiem

Stage Targets	Complete the commission Complete the commission with no defeated characters Complete the commission with all Agents' HP above 30%
Effect	Perfect Pitch: When Astra Yao's sound attack hits an enemy, it will mark the target, increasing the DMG they take by 50% for 12s. Stars and Strings in Harmony: When Evelyn uses a Chain Attack or Ultimate to hit a marked enemy, Astra Yao will perform an additional attack on the target after a brief delay, dealing area DMG. Heavy Metal: When Astra Yao performs an additional attack, all squad members gain 500 Decibels.
Trial	Agents: Astra , Evelyn Bangboo: Snap
Enemies	Corrupted Bandit - Ruthless Fiend Blastcrawler Sordidus Fossor

How to Beat Requiem

In Requiem, Astra refunds 500 Decibels for the team whenever Evelyn's Chain Attack or Ultimate hits a marked enemy. Continue to unleash Evelyn's Chain Attacks and Ultimates to finish this stage quickly!

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Astra TV Schedule Day 4 Hollow Concerto

Stage Targets	Complete the commission Complete the commission with no defeated characters Complete the commission with all Agents' HP above 30%
Effect	Perfect Pitch: When Astra Yao's sound attack hits an enemy, it will mark the target, increasing the DMG they take by 50% for 12s. Stars and Strings in Harmony: When Evelyn uses a Chain Attack or Ultimate to hit a marked enemy, Astra Yao will perform an additional attack on the target after a brief delay, dealing area DMG. Heavy Metal: When Astra Yao performs an additional attack, all squad members gain 500 Decibels.
Trial	Agents: Astra , Evelyn Bangboo: Snap
Enemies	Arlaune - Energized Alpeca - Energized Tyrfing - Energized Faun - Energized Sordidus - Energized

How to Beat Hollow Concerto

Hollow Concerto is a timed combat stage where you must defeat as many enemies as possible to reach 2000 points.

Continue to rely on Astra and Evelyn's synergies to defeat the enemies in record time!

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How to Play Harmonic Pact

Astra Yao TV Schedule Guide

1. Complete Special Episode
2. Get All Combat Stages
3. Use Astra and Evelyn

Complete the Astra-nomical Moment

While it's not required, completing the Astra-nomical Moment Special Episode is best to get all the rewards!

Astra-nomical Moment Special Episode Guide

Go Through All Combat Stages

Head to the TV Schedule featured inside the Random Play Staff Room to enter the event. After that, open the Special Play Button and select a stage!

Fully Utilize Astra and Evelyn

Astra and Evelyn are the trial agents you can use within the stages; you cannot use any other characters within the stages. Snap, the newest bangboo, is also part of the event as a trial support bangboo!

Harmonic Pact Rewards

Astra Yao TV Schedule Rewards

All Event Rewards
Polychrome	Original Chip	Denny
Senior Investigator Log	Official Investigator Log	Specialized Ether Chip
W-Engine Energy Module	W-Engine Power Supply	Ether Plating Agent

The Princess and the Knight Rewards

Objectives	Rewards
Complete Special Episode ''Astra-nomical Moment''	Polychrome x100 Senior Investigator Log x4 Denny x20,000
Complete the stage ''Fugitive March''	Polychrome x30 Specialized Ether Chip x3 Senior Investigator Log x4
Complete the stage ''Trembling Inspiration''	Polychrome x30 Specialized Ether Chip x3 Senior Investigator Log x4
Complete the stage ''Requiem''	Polychrome x30 Specialized Ether Chip x3 Senior Investigator Log x4
Reach 1,200 points in the stage ''Hollow Concerto''	Polychrome x30 Original Chip x10 Denny x20,000
Reach 1,500 points in the stage ''Hollow Concerto''	Polychrome x30 Original Chip x10 Denny x20,000
Reach 2,000 points in the stage ''Hollow Concerto''	Polychrome x30 Original Chip x10 Denny x20,000

First Clear Rewards

Stage	Rewards
Day 1: Fugitive March	Official Investigator Log x2 W-Engine Power Supply x1 Denny x4,000
Day 2: Trembling Inspiration	Official Investigator Log x2 W-Engine Power Supply x1 Denny x4,000
Day 3: Requiem	Official Investigator Log x2 W-Engine Power Supply x1 Denny x4,000
Day 4: Hollow Concerto	Official Investigator Log x2 W-Engine Power Supply x1 Denny x4,000

Zenless Zone Zero Related Guides

TV Schedule Event Guide

Current TV Schedule Stages

Event	Event Duration
Harmonic Pact	01/22/2025 - 03/10/2025
The Troubles of Ellen the Shark	01/22/2025 - 03/10/2025

Previous TV Schedule Events

Event	Event Duration
Windchaser Harumasa	12/30/2024 - 01/20/2025
The Champion	11/27/2024 - 12/16/2024
Moonlight Traces	11/06/2024 - 12/16/2024

Other Events

All Events and Schedule