Astra
Evelyn
Arlaune - Energized
Alpeca - Energized
Tyrfing - Energized
Sordidus - Energized
Hollow Thug - Bulky Enforcer
Hollow Thug - Raider
Hollow Thug - Poacher
Hollow Thug - Assaulter
Corrupted Bandit - Ruthless Fiend
Blastcrawler
Sordidus
Fossor
Faun - Energized
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Zenless Zone Zero (ZZZ)
Astra Yao TV Schedule - Harmonic Pact Guide
☆ 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!
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!
Harmonic Pact Stages and Schedule
All Astra Yao Event Stages
| Unlock Date | Event Stage |
|---|---|
| Jan. 22, 2025 | Day 1: Fugitive March |
| Jan. 23, 2025 | Day 2: Trembling Inspiration |
| Jan. 24, 2025 | Day 3: Requiem |
| Jan. 25, 2025 | Day 4: Hollow Concerto |
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 |
Bangboo:
 Snap
|
| Enemies |
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!
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 |
Bangboo:
Snap
|
| Enemies |
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.
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 |
Bangboo:
Snap
|
| Enemies |
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!
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 |
Bangboo:
Snap
|
| Enemies |
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!
How to Play Harmonic Pact
Astra Yao TV Schedule Guide
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 Denny
x20,000 |
| Complete the stage ''Fugitive March'' |
Polychrome
x30 |
| Complete the stage ''Trembling Inspiration'' |
Polychrome
x30 |
| Complete the stage ''Requiem'' |
Polychrome
x30 |
| 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 |
Denny
x4,000 |
| Day 2: Trembling Inspiration |
Denny
x4,000 |
| Day 3: Requiem |
Denny
x4,000 |
| Day 4: Hollow Concerto |
Denny
x4,000 |
Zenless Zone Zero Related Guides
Recent TV Schedule Stages
| Event | Event Duration |
|---|---|
 The Inverted Night Lantern |
10/15/2025 - 11/24/2025 |
Previous TV Schedule Events
| Event | Event Duration |
|---|---|
 Floral Voyage Into the Unknown |
09/04/2025 - 10/13/2025 |
 Tiger's Billowing Roar |
06/25/2025 - 07/16/2025 |
 Silver Soldier Song |
03/12/2025 - 04/21/2025 |
 Zero Point Calibration |
04/02/2025 - 04/21/2025 |
| Harmonic Pact |
01/22/2025 - 03/10/2025 |
 The Troubles of Ellen the Shark |
01/22/2025 - 03/10/2025 |
 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
Comment
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Astra Yao TV Schedule - Harmonic Pact Guide
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