
Zenless Zone Zero (ZZZ) Shiyu Defense Guide and Overview for Critical Nodes
Struggling with a Shiyu Defense Critical Nodes? Check out our dedicated Shiyu Defense Critical Node Guide for stage information, Agent recommendations, and more!
What is the Critical Node in Shiyu Defense?
The Critical Node is comprised of stages that rotate on a twice monthly basis. Critical Node stages focus on killing a set number of enemies within a certain amount of time, and meeting certain thresholds will grant you the maximum rewards. You will be able to gain up to 720 Polychrome from this content, provided you manage to clear all seven stages on S-Rank. Each stage has 3 sets of rewards that you can gain at B, A and S-Grades respectively.
Clearing any stage at any grade will unlock the next one for you, so don't fret if you do not manage to get an S-Grade immediately. Depending on how many stages you have cleared in the previous cycle, you may be able to skip some stages. S-ranking all 7 Critical Node stages will allow you to skip the first 3 stages in the upcoming cycle.
In this guide we will provide detailed information on each of the 7 stages, highlighting the weaknesses of the enemies in each stage, as well as potential team recommendations that might make your life a little easier in order to claim the mode's rewards.
Keep in mind that a well built character may perform better than others, even if it does not match the enemies weakness. Just make sure to not pit them against enemies that are resistant to their damage type.

Critical Node Stages
There are 7 stages in the Critical Node section of the Shiyu Defense. Each stage has its own set of enemies, buffs and effects that boost your characters, as well as their own Challenge Target time-limits. In each stage you will have to field 2 teams, requiring 6 Agents and 2 Bangboos total. You cannot use the same Agent or Bangboo twice.
Critical Node Stage Information
Disclaimer: Depending on your account, you may only have a handful of characters leveled and equipped. While this guide will recommend different teams for different stages, you are more likely to succeed by playing your highest level characters that you have the most practice with, instead of the ones that match the stage's bonuses and vulnerabilities. Simply make sure to not field a team that the enemy units have resistances against, and try to take advantage of the bonuses granted each cycle.
Use the Stage-Slider to select the stage you would like more information on.
Move the slider below to make the guide update to your level!
This rotation of Critical Nodes heavily emphasizes Stun agents. For DPS agents that deal high amounts of burst damage, you will want to wait until after you get your Chain Attack on the harder bosses, before unleashing your damage, due to the Def-Shred of this season's Shiyu buffs.
Critical Node: First Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
Recommended Teams for First Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Zhu Yuan | Qingyi | |
Evelyn Chevalier | Lighter | |
Team 2 | ||
Jane Doe | Burnice White | |
Soldier 11 |
Critical Node: Second Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Second Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Jane Doe | Burnice White | |
Jane Doe | ||
Team 2 | ||
Tsukishiro Yanagi | ||
Tsukishiro Yanagi |
Critical Node: Third Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Third Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Zhu Yuan | Qingyi | |
Team 2 | ||
Evelyn Chevalier | Lighter | |
Soldier 11 |
Critical Node: Fourth Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Fourth Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Jane Doe | Burnice White | |
Tsukishiro Yanagi | ||
Team 2 | ||
Evelyn Chevalier | Lighter | |
Soldier 11 |
Critical Node: Fifth Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Fifth Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Ellen Joe | ||
Zhu Yuan | Qingyi | |
Team 2 | ||
Evelyn Chevalier | Lighter | |
Jane Doe | Burnice White | |
Jane Doe | ||
Soldier 11 |
Critical Node: Sixth Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Sixth Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Ellen Joe | ||
Zhu Yuan | Qingyi | |
Team 2 | ||
Evelyn Chevalier | Lighter | |
Soldier 11 | ||
Jane Doe | Burnice White | |
Jane Doe |
Critical Node: Seventh Frontier

Time Limit | Bonus Effects | Weakness | Resistance |
---|---|---|---|
|
The Agent's Impact increases by 15%. When the Agent's Chain Attack hits the enemy, DEF decreases by 25%, lasting 10s. Repeated triggers reset the duration. |
|
Recommended Teams for Seventh Frontier
DPS | Sub DPS/Stun | Support |
---|---|---|
Team 1 | ||
Hoshimi Miyabi | ||
Hoshimi Miyabi | ||
Ellen Joe | ||
Zhu Yuan | Qingyi | |
Team 2 | ||
Evelyn Chevalier | Lighter | |
Soldier 11 |
Changelog
- 02 Mar. 2025: Updated for Frightening Strike season.
- 15 Feb. 2025: Updated for Ice-Fire Synergy season.
- 01 Feb. 2025: Updated for Critical Aid season.
- 17 Jan. 2025: Updated for Specialized Assist season.
- 03 Jan. 2025: Updated for Explosive Assault season.
- 18 Dec. 2024: Updated for Anomaly Impact season.
- 03 Nov. 2024: Updated for Surging Starflow season.
- 17 Nov. 2024: Updated for Whirling Current season.
- 01 Nov. 2024: Updated for Lightning Speed season.
- 17 Oct. 2024: Updated for Unyielding Momentum season.
- 01 Oct. 2024: Updated for Close Quarters Combat season.
- 16 Sep. 2024: Updated for Global Rollout season.
- 01 Sep. 2024: Updated for Irresistible Force season.
- 16 Aug. 2024: Updated for Precise Synergy season.
- 03 Aug. 2024: Page added.

This guide has been written and reviewed by Seliathan. With over 20 years of competitive gaming experience and an immense enjoyment of Honkai: Star Rails story and gameplay, he has now set his sights on another MiHoYo title in Zenless Zone Zero.
- ZZZ Version 1.6 Among the Forgotten Ruins Patch Notes!
- Zenless Zone Zero - Prepare for Soldier 0 Anby!
- Zenless Zone Zero Hugo Vlad Promotion Upgrade and Talent Materials
- Zenless Zone Zero Vivian Promotion Upgrade and Talent Materials
- Hugo Vlad Revealed in the Latest ZZZ Drip Marketing!
- Soldier 0 Anby Arrives in Zenless Zone Zero: Candidat Zero Trailer!
- Zenless Zone Zero Introduces Vivian – Release Date & Abilities Soon?
- Zenless Zone Zero 1.6 Beta Reveals Possible Polychrome Count!