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Chaos Zero Nightmare (CZN)
List of All Events
NEW: S5 Preseason Code
☆ Anika: Best Team and Build | Cards and Materials
✪ Tier Lists: Character | Partner | Best Team
☆ Upcoming Characters
★ State of the Meta: Season 4
★ CZN x E7: Complete Collaboration Breakdown
A list of all current events available in Chaos Zero Nightmare (CZN). Check out all event schedules, rewards, and how to participate!
List of Contents
Upcoming Events
Nightmare Carnival
| Start Date | October 06, 2026 |
|---|---|
| End Date | October 21, 2026 |
This is a countdown attendance check until October 21, just in time for CZN's 1st year anniversary! Login daily starting from October 6 to earn rewards!
List of Current Events
Escape from Judgement
| Start Date | September 30, 2026 |
|---|---|
| End Date | October 21, 2026 |
| Rewards | Crystals, Growth Materials, Coordinates of Record, Units |
The Escape from Judgement event lets you take a peek of Season 5's chapter 0. View the story and meet new characters and earn rewards!
CZN x Epic Seven Collab
| End Date | October 29, 2026 |
|---|---|
| Rewards | x3 Rescue Anchors and 300,000 Units |
The Epic Seven and CZN collab coems with a coupon code that can be redeemed in both Epic Seven and CZN.
Golden Autumn's Invitation
| End Date | October 14, 2026 |
|---|---|
| Rewards | Cores, Delegation Module, Rescue Anchors, Signal Amplification Anchor, Stickers |
Login and check-in for a total of 15 days to claim special rewards.
Memoirs of the Ark Protection Bureau Chief
| Start Date | September 30, 2026 |
|---|---|
| End Date | October 21, 2026 |
| Rewards | Cores,Prism Lenses, Growth Materials |
Clear missions and earn rewards. Each day unlocks new missions.
Guardian Angel's Vacation
| Start Date | September 30, 2026 |
|---|---|
| End Date | October 21, 2026 |
| Rewards | Cores, Crystals, Growth Materials, Stickers |
View the story and lear battle missions for rewards. Clear trials and earn better rewards such as more Crystals and Cores!
Full-Scale Offensive
| Start Date | September 30, 2026 |
|---|---|
| End Date | November 11, 2026 |
| Rewards | Crystals, Prism Lens, Memory Fragment and Character Growth Materials |
Face bosses from previous Great Rifts to earn points and rewards based on how far you go in battle. Plan your team, select the best combatants for each boss, and use your cards efficiently within 10 turns to conquer the Full-Scale Offensive.
Overdrive - Simulation
| End Date | October 7, 2026 |
|---|---|
| Rewards | 2x Rewards for all simulation runs (except Memory Fragments) |
Virtual Tactical Simulation - Sereniel and Narja
| Sereniel Duration | September 30 - October 21, 2026 |
|---|---|
| Narja Duration | Until October 13, 2026 |
| Rewards | Crystals, Memory Fragment and Character Growth Materials |
Virtual Tactical Simulation for combatant Sereniel, Narja, and Anika will be available for use during Season 5's preseason update. Play their trial stages using fixed save data to obtain rewards while also testing the new combatant.
Virtual Tactical Simulation Event Guide
Chaos Zero Nightmare (CZN) Related News
Permanent Events
| Garden Cafe's Returnee Present Event | See You on the Unigram Event |
| Spiral Tower of Screams | Virtual Tactical Simulation |
| Full Scale Offensive | A Story Rewritten |
Current Events
| Ecape from Judgement | CZN x Epic Seven Collab |
| Golden Autumn's Invitation | Memoirs of the Ark Protection Bureau Chief |
| Guardian Angel's Vacation | Overdrive - Simulation |
Past Events
| Beach Cafe Festival | SE-4 BR33ZE |
| Olga's Secret Diary | Stella Market |
| Primal Desire | Chasing the Remnants of Light |
| Following the Fox's Footsteps | Sweet Rewards After Missions |
| Monster's Arena Event | Chaos Regular Survery |
| Into the Depths of Discord | Daily Free Codex Merging |
| Bonds of Time | Rei's Gift Event |
| Operation Firebreak Event and Rewards | SS Nightmare Verification Event |
| Launch Celebration Follow and RP Event | Launch Celebration Comment Event |
| Haru Trauma Code Event | Special Daily Attendance Rewards Event |
| Guardian of the Ark Event | SS Edenity Patrol Operation |
| Invitation of Dreams | Lost Fairy Tale Book |
Author
List of All Events
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