Critical Node is the second node of Shiyu Defense in Zenless Zone Zero (ZZZ) that consists of seven stages. Check out when it resets, all the frontier guides, best characters for each stage, and all the rewards here!

Critical Node Reset Date and Countdown

Critical Node Resets on January 3, 2025

Critical Node Reset Date and Countdown
January 3, 2025

Critical Node resets every ofther Friday. This resets all your progress in Critical Node so that you will be able to collect rewards again upon completion.

For this Phase of Critical Node, it will reset on January 3, 2025.

Shiyu Defense Guide and Reset

How to Unlock Critical Node

Clear Stable Node: Tenth Frontier

Critical Node is unlocked after clearing Stable Node: Tenth Frontier in Shiyu Defense.

Stable Node Guide

Shiyu Defense 11

Critical Node First Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Ether Electric 2nd Half: Fire
Enemies	1st Half: Beholder Engine Tarasque Mixer 2nd Half: Corrupted Bandit - Frenzied Maniac Corrupted Bandit - Wicked Wraith Corrupted Bandit - Vicious Striker Corrupted Bandit - Greedy Ranger

Shiyu Defense 11 Critical Node Guide

Critical Node First Frontier Best Characters

	1st Half	2nd Half
DPS	Anton Grace Zhu Yuan Yanagi	Soldier 11 Jane Burnice
Stun	Qingyi Caesar	Anby Koleda Lighter
Support	Nicole Rina Seth	Ben Lucy

Shiyu Defense 12

Critical Node Second Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Ether Ice 2nd Half: Physical Fire
Enemies	1st Half: Farbauti Armored Hati Fossor Sordidus 2nd Half: Ionized - Doppelganger - Mors Ionized - Doppelganger - Pulchra Hollow Thug - Arsonist Hollow Thug - Ambusher

Shiyu Defense 12 Critical Node Guide

Critical Node Second Frontier Best Characters

	1st Half	2nd Half
DPS	Billy Ellen Zhu Yuan	Nekomata Corin Soldier 11 Piper Jane Burnice
Stun	Anby Lycaon	Koleda Caesar Lighter
Support	Nicole Soukaku	Ben Lucy

Shiyu Defense 13

Critical Node Third Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Electric 2nd Half: Fire
Enemies	1st Half: Assault Gunner Autonomous Support Unit - Guardian MK II Harrier Jaeger Private Jaeger Demolition Jaeger 2nd Half: Corrupted Bandit - Frenzied Maniac Corrupted Bandit - Wicked Wraith Corrupted Bandit - Vicious Striker Corrupted Bandit - Greedy Ranger

Shiyu Defense 13 Critical Node Guide

Critical Node Third Frontier Best Characters

	1st Half	2nd Half
DPS	Anton Grace Zhu Yuan Yanagi	Billy Soldier 11 Piper Jane Burnice
Stun	Anby Qingyi	Lycaon Koleda Caesar Lighter
Support	Nicole Rina Seth	Soukaku Lucy

Shiyu Defense 14

Critical Node Fourth Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Electric 2nd Half: Physical Fire
Enemies	1st Half: Autonomous Support Unit - Heavy Striker MK II Assault Gunner Harrier Jaeger Demolition Jaeger 2nd Half: Ionized - Doppelganger - Mors Ionized - Doppelganger - Pulchra Ionized - Doppelganger - Bellum Hollow Thug - Rustler Hollow Thug - Ambusher

Shiyu Defense 14 Critical Node Guide

Critical Node Fourth Frontier Best Characters

	1st Half	2nd Half
DPS	Anton Grace Zhu Yuan Yanagi	Billy Soldier 11 Piper Jane Burnice
Stun	Anby Qingyi	Lycaon Koleda Caesar Lighter
Support	Nicole Rina Seth	Soukaku Lucy

Shiyu Defense 15

Critical Node Fifth Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Ether Ice 2nd Half: Physical Fire
Enemies	1st Half: Hati Goblin Arlaune Mandrake Fossor Sordidus 2nd Half: Ionized - Doppelganger - Mors Ionized - Doppelganger - Pulchra Ionized - Doppelganger - Bellum Hollow Thug - Looter Hollow Thug - Rustler

Shiyu Defense 15 Critical Node Guide

Critical Node Fifth Frontier Best Characters

	1st Half	2nd Half
DPS	Billy Anton Ellen Zhu Yuan	Nekomata Soldier 11 Piper Jane Burnice Yanagi
Stun	Anby Lycaon Qingyi Caesar	Koleda Lighter
Support	Nicole Soukaku Seth	Ben Rina Lucy

Shiyu Defense 16

Critical Node Sixth Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Ether Ice 2nd Half: Physical Fire
Enemies	1st Half: Notorious Dullahan Mandrake Fossor Sordidus 2nd Half: Troublemaker - Wanted Enforcer Hollow Thug - Rustler Hollow Thug - Ambusher

Shiyu Defense 16 Critical Node Guide

Critical Node Sixth Frontier Best Characters

	1st Half	2nd Half
DPS	Billy Anton Ellen Zhu Yuan	Nekomata Soldier 11 Piper Jane Burnice Yanagi
Stun	Anby Lycaon Qingyi Caesar	Koleda Lighter
Support	Nicole Soukaku Seth	Ben Rina Lucy

Shiyu Defense 17

Critical Node Seventh Frontier Details

Objectives	- More than 300s remaining - More than 180s remaining - Defeat all enemies
Recommended Attributes	1st Half: Electric 2nd Half: Ether Ice
Enemies	1st Half: Hans Beholder Engine 2nd Half: Thracian Fossor Sordidus

Shiyu Defense 17 Critical Node Guide

Critical Node Seventh Frontier Best Characters

	1st Half	2nd Half
DPS	Anton Soldier 11 Grace Burnice Yanagi	Billy Nekomata Corin Ellen Zhu Yuan Piper Jane
Stun	Anby Koleda	Lycaon Qingyi Caesar Lighter
Support	Ben Rina Lucy	Nicole Soukaku

Critical Node Rewards

List of Critical Node Rewards

Frontiers	Rewards
1st	Polychrome x90 Denny x45,000 W-Engine Chip x1 Noise Reduction Master Copy x5
2nd	Polychrome x90 Denny x45,000 W-Engine Chip x1 Noise Reduction Master Copy x5
3rd	Polychrome x90 Denny x45,000 W-Engine Chip x1 Noise Reduction Master Copy x5
4th	Polychrome x90 Denny x45,000 W-Engine Chip x1 Noise Reduction Master Copy x5
5th	Polychrome x120 Denny x45,000
6th	Polychrome x120 Denny x45,000
7th	Polychrome x120 Denny x45,000
Total	Polychrome x720 Denny x315,000 W-Engine Chip x4 Noise Reduction Master Copy x20

What is Critical Node?

Shiyu Defense Stages

Stable Node is the second node you will play through in Shiyu Defense. These consist of seven stages that refresh on a regular basis and you can challenge to collect up to 720 Polychromes.

Shiyu Defense Guide

Zenless Zone Zero Related Guides

Shiyu Defense Guide

Stable Node Guides

All Stable Node Stages
Frontier 1	Frontier 2	Frontier 3	Frontier 4	Frontier 5
Frontier 6	Frontier 7	Frontier 8	Frontier 9	Frontier 10

Stable Node Guide

Disputed Node Guides

All Disputed Node Stages
Frontier 1	Frontier 2	Frontier 3	Frontier 4
Frontier 5	Frontier 6	Frontier 7	Frontier 8

Disputed Node Guide

Critical Node Guides

All Critical Node Stages
Frontier 1	Frontier 2	Frontier 3	Frontier 4
Frontier 5	Frontier 6	Frontier 7

Critical Node Guide

Ambush Node Guides

All Ambush Node Stages
Frontier 1	Frontier 2	Frontier 3
Frontier 4	Frontier 5

Ambush Node Guide