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Chaos Zero Nightmare (CZN)

Account Growth Guide

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Account Growth Guide

Complete tasks and level up your account growth to receive tons of rewards in Chaos Zero Nightmare (CZN). Check out the tasks and a guide on how to complete them, as well as the rewards you'll receive per growth level!

Account Growth Guide

  1. Emergency Response Manual
  2. Project Reboot
  3. The Leader's Principle
  4. Neo DIgest
  5. High-Level Control
  6. Commander's Path
  7. Master Plan
  8. Code Nightmare
  9. Protocol Zero

1. Emergency Response Manual

Task Rewards
Clear Battle Mission Chapter 1-B3
Clear Story Chapter 1 #4 - A Promise Renewed
Complete Growth Simulation 3 times
Unit Unit x20000
Clear Story Chapter 1 #6 - A Captain's Burden
Clear Battle Mission Chapter 1-B6
Clear Story Chapter 1 #06-1 - License Renewal
Unit Unit x20000
Raise any 3 Combants to level 10
Raise any 3 Partners to level 10
Clear Battle Mission Chapter 1 - Promotion Mission
Unit Unit x20000
Clear Rewards:
Crystals Crystals x300

Most of the tasks here require you to play through the main story and several battle missions until you reach the promotion mission, which allows you to promote your combatants and increase their maximum level to 20.

You can use the Basic Battle Memory and Basic Support Data you obtained from completing other activities to raise your combatants and partners to level 10, clearing the remaining tasks in this section.

2. Project Reboot

Task Rewards
Clear Story Chapter 2 #01-2 - Ark City
Unit Unit x40000
Complete 1 Excursion with an Agent in Ark City
Approve Policies 3 times in Ark City
Clear Story Chapter 2 #05-1 - Epione Center
Raise any 3 Combatants to level 20
Unit Unit x40000
Send a gift to any Agent 1 time
Achieve Affinity level 2 with an Combatant 1 time
Clear Rewards:
Crystals Crystals x300

Half of the tasks in this section involve activities in Ark City such as approving policies in the Policy Office, going on excursions or dates with your combatants in different areas of Ark City, and giving them gifts. Doing excursions and giving gifts help raise an agent’s affinity toward you, which is also one of the required tasks.

For the remaining tasks, simply play through the main story in Chapter 2 and its sub-stories, as Chapter 2 #01-2 – Ark City is required to unlock Ark City itself. It's also best to order coffee at the Cafe once you unlock Ark City, since it's also a task on the next levels.

3. The Leader's Principle

Task Rewards
Raise any 3 Partners to level 20
Complete Potential Simulation 3 times
Activate 2 potential nodes of 3 combatants
Learn 2 times at the Ark City Research Facility
Order food 2 times at Ark City
Clear Story Chapter 2 #05 - Operation: Wolf Platoon!
Achieve Exploration Level 3 in Twin's Star Shadow
Clear Battle Mission Chapter 2 B6
Clear Battle Mission Chapter 2 - Promotion Mission
Clear Rewards:
Crystals Crystals x300

This section will have you do the rest of the activities in Ark City, such as ordering food from the Starshine Diner and unlocking nodes in the Research Facility. Play through chapter 2's sub-stories and battle missions including the Promotion Mission to allow promoting your characters up to level 30.

Do Potential Simulation runs to farm Growth Stones, which are used to unlock and upgrade your combatants’ potential nodes, granting them stat boosts and additional effects on their cards. You should also complete a Chaos run and reach Level 3 Exploration for the Twin Star's Shadow by obtaining this Chaos’ unique equipment, battling monsters and bosses a set number of times, and experiencing unique events in the unidentified areas.

4. Neo Digest

Task Rewards
Learn 4 times at the Ark City Research Facility
Complete 5 Excursions with an Agent in Ark City
Approve policies 9 times in Ark City
Clear Story Chapter 3 #01-1 - The Pilgrims' Walk
Complete Wailing Prodigal Challenge Simulation 3 times
Activate 4 potential nodes of 3 combatants
Unlock any Trauma Code 1 time
Send a gift to any Agent 4 times
Raise and Combatants' Affinity to level 5
Clear Rewards:
Crystals Crystals x300

Most of the tasks here, you've already done in the previous levels, which should be easy to do know since you have the experience. Head to Nono's Shop in Ark City and purchase the Special Security Code for 20 policy points to unlock a Trauma Code to accomplish one of the tasks.

Finish all story missions in Chapter 3 to unlock the first weekly boss in the Challenge Simulation and defeat it 3 times to accomplish one of the tasks.

5. High-Level Control

Task Rewards
Raise any 3 Combatants to level 30
Raise any 3 Partners to level 30
Order coffee 3 times at Garden Cafe in Ark City
Unit Unit x60000
Order food 3 times at Ark City
Clear Story Chapter 3 #06 - Purification Rite
Achieve Exploration level 5 in the City of Mist
Clear Battle Mission Chapter 1 B6 in Hard Mode
Complete Memory Fragment Simulation 12 times
Clear Battle Mission Chapter 3 B6
Clear Battle Mission Chapter 3 - Promotion Mission
Clear Rewards:
Crystals Crystals x300

The task to clear the Purification Rite story mission will already be accomplished, since you've already finished all of Chapter 3 during the past level. Also do Memory Fragment simulations 12 times to accomplish another task.

You should have already ordered coffee at the Garden Cafe as soon as Ark City became accessible, and ordering three times will complete one of the tasks. After leveling up your combatants and partners to level 30, you'll be able to take on the harder battle missions in Chapter 1 up to the sixth one. You’ll also be able to challenge the battle missions in Chapter 3 and clear the promotion mission to raise your combatants’ levels to 40.

6. Commander's Path

Task Rewards
Learn 7 times at the Ark City Research Facility
Unit Unit x80000
Send a gift to any Agent 6 times
Complete 10 Excursions with an Agent in Ark City
Approve policies 15 times in Ark City
Clear Dawn of Dimensions - Area 3
Upgrade Memory Fragments to level 3 6 times
Reach Trust level 7 with any combatant
Raise any 6 Combatants to level 40
Raise any 6 Partners to level 40
Activate 6 potential nodes of 3 combatants
Clear Rewards:
Crystals Crystals x300

Reach Captain level 30 to unlock the Basin of Hyperspace and clear the 3rd Basin in Dimensional Dawn to clear one of the tasks in this section.

Continue raising your combatants’ affinity through excursions and gifts until they reach level 7 trust. Keep approving policies to earn Policy Points, and use them to purchase Research Notes that unlock additional nodes in the Research Facility.

7. Master Plan

Task Rewards
Order coffee 7 times at Ark City
Order food 5 times at Ark City
Unit Unit x100000
Clear Story Chapter 4 #04 - Swamp of Judgement
Achieve Exploration level 5 in Swamp of Judgement
Clear Battle Mission Chapter 3 B6 Hard Mode
Clear Dawn of Dimensions - Area 5
Send a gift to any agent 8 times
Achieve Affinity level 10 with any combatant 1 time
Clear Battle Mission Chapter 4 B6
Clear Battle Mission Chapter 4 - Promotion Misison
Clear Rewards:
Crystals Crystals x300

Continue with the chapter 4 story mission to unlock the 4th Chaos Maniestation stage, the Swamp of Judgement, and achieve level 5 exploration level. Clear the chapter 4 promotion mission to raise your combatants’ levels to 50, which will make clearing chapter 3 hard mode easier.

Continue with clearing the Dimensional Dawn until the 5th basin to achieve one of the tasks in this section.

8. Code Nightmare

Task Rewards
Run Codex 1 time
x10
Raise any 6 Combatants to level 50
Clear Story Chapter 5 #03 - Foretold Ruin
Achieve Exploration level 7 in Foretold Ruin
Clear Battle Mission Chapter 4 B6 Hard Mode
Activate 7 potential nodes of 3 combatants
Unit Unit x120000
Achieve level 15 Affinity for 1 random combatant
Complete the Fear Encountered Challenge Simulation 3 times
Clear Rewards:
Crystals Crystals x300

Raise your combatants’ levels to 50 to make clearing Chapter 4’s Battle Mission on Hard mode easier. Complete Chapter 5’s story missions to unlock the Foretold Ruin Chaos Manifestation, and reach Exploration Level 7 to finish one of the required tasks.

Completing Chapter 5 also unlocks Judas as a weekly boss in the Challenge Simulation, whom you’ll need to defeat three times to complete the task.

9. Protocol Zero

Task Rewards
Learn 12 times at the Ark City Research Facility
Raise any 6 Partners to level 50
Upgraded the Zero System 5 times
Unit Unit x150000
Upgrade Memory Fragments to level 3 18 times
Run Codex 3 times
Clear Battle Mission Chapter 5 B6
Clear Chapter 5 Promotion Mission
Created 3 Memory Fragments
Clear Rewards:
Crystals Crystals x300

Clear the promotion mission in Chapter 5 to promote your combatants, allowing you to increase their level up to 60. You should also raise your partners to level 50 to boost their stats. This will make it easier for you to take on higher Chaos difficulties in the Zero System.

Chaos Zero Nightmare (CZN) Related Guides

Chaos Zero Nightmare Tips and Tricks
Beginner's Guide: All Tips and Tricks

All Tips and Tricks

Combat and Mechanics Guides
Combat Guide Mental Breakdown Explained
Epiphany Explained How to Get Divine Epiphany
What is Deep Trauma? How to Reduce Stress?
Best Items to Buy Rest Area Guide
How to Auto Battle What is Initiative?
How to Defeat Aether-Eaters Account Growth Guide
How to Level Up Fast -
Character Guides
How to Recharge Aether How to Increase Affinity
Manifest Ego Guide Link Crash Explained
Saved Data and Data Value Guide Potential Guide
How to Get Gifts Dismantling Guide
Card Motion Restoration Guide List of All Factions
Dice Roll Bonuses Explained Unigram Features Explained
Gacha Guides
Gacha System Explained Prism Module Explained
Settings and FAQs
How to Link Guest Account How to Logout
What to Do Every Day Best Way to Spend Crystals
Is Arkhianon Supply Worth Buying? Story Explained
How to Change Language Reset Times for Key Content

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