Shiyu Defense Complete Guide
2026-02-10·8 min read·★ 9
Version: 1.4+ | Last Updated: 2026-02-10 | Sources: Game8, Icy-Veins
Overview
Shiyu Defense is ZZZ's premier endgame content. Defeat enemies within time limits using 2 teams across multiple nodes.
Structure
Three Nodes
| Node | Difficulty | Teams Needed |
|---|---|---|
| Routine Cleanup | Easy | 1-2 |
| Advanced Node | Medium | 2 |
| Critical Node | Hard | 2 |
Stages Per Node
- Each node has multiple stages
- Final stage always 2 teams required
- Higher stages = harder enemies
Reset Schedule
- Resets every 2 weeks
- New enemy lineups
- Different stage buffs
Advertisement
Scoring System
| Rating | Requirement |
|---|---|
| S | Clear within Challenge Target time |
| A | Clear within extended time |
| B | Just clear |
Team Building
Standard Composition
Team = 1 DPS + 1 Stun + 1 Support
Role Examples
| Role | Agents | Function |
|---|---|---|
| DPS | Ellen, Zhu Yuan, Miyabi | Main damage |
| Stun | Qingyi, Lycaon, Koleda | Break Daze bar |
| Support | Rina, Nicole, Lucy | Buffs/Debuffs |
Current Meta Teams
Ice Team
- Ellen + Lycaon + Soukaku
- Or: Miyabi + Yanagi + Support
Ether Team
- Zhu Yuan + Nicole + Qingyi
- Strong single-target damage
Physical Team
- Jane Doe + Seth + Grace
- Disorder focused
Fire Team
- Soldier 11 + Koleda + Lucy
- Ben as budget Koleda
Critical Node Tips (Hardest)
Preparation
- Check element buffs for both sides
- Match teams to stage buffs
- Level backup agents
- Farm appropriate Drive Discs
Execution
- Stun enemies quickly (Daze bar)
- Chain Attack during stun window
- Use Ultimate for burst damage
- Perfect Dodge for Decibel buildup
Stage Mechanics
Common Buffs
- Element DMG increase
- Anomaly damage boost
- Attack/Stun bonuses
- CRIT buffs
Enemy Types
- Regular Ethereals
- Elite enemies (mini-bosses)
- Final boss per side
F2P Teams
Team 1
- Anby + Nicole + Soldier 11 (free)
- Or: Billy + Anby + Nicole
Team 2
- Corin + Piper + Lucy
- Budget Physical/Fire mix
Common Mistakes
| Mistake | Solution |
|---|---|
| No stun agent | Always bring Stun role |
| Ignoring buffs | Match element to stage |
| Bad timing | Chain Attack during Daze |
| Over-investing | Build 6 agents, not 3 |
Rewards
| Node | Rewards |
|---|---|
| Routine | Polychromes + materials |
| Advanced | More Polychromes |
| Critical | Most Polychromes + rare mats |