Ark City Guide - What to Do and How to Unlock Excursion

Ark City guide for Chaos Zero Nightmare. See all Ark City facilities, Policy Points, Psychotherapy, Trauma Code, Diner, Cafe, Communication Pass, Nono's Shop, and Excursion in CZN.

Ark City Features

Ark City Points of Interest

• Policy Office
• Starshine Diner
• Garden Cafe
• Epione Center
• Nono's Shop
• Research Facility
• Excursion

CZN's Ark City has various facilities, and utilizing them will allow you to progress through the game efficiently.

Policy Office

In the Policy Office, Policies accumulate over time. By completing Policies, you will earn Policy Points, which can be used to exchange for items at Nono's Shop.

Pay Attention to Project Information Too

Projects, such as disaster responses, are also underway in the Policy Office. If you advance the Policies within the limited time and achieve the target value, you will receive rewards according to the Grade.

Starshine Diner

At the Starshine Diner, you can order food by paying with Units. Depending on the food you order, you can receive status upgrades in Chaos.

Starshine Diner's Item List

Item	Price/Effect
Warm Steamed Meat Bun	[Price] 10,000 Unit [Effect] +10% health for all Combatants
Fluffy Steamed Peach Bun	[Price] 15,000 Unit [Effect] +5% HP to all Combatants, increase Passion Damage Amount by 5%
Sweet and Savory Teriyaki Skewers	[Price] 10,000 Unit [Effect] A+5% Defense, +5% Health for all Combatants
Juicy Charcoal-Grilled Skewers	[Price] 15,000 Unit [Effect] +5% HP to all Combatants, increase Instinct Damage Amount by 5%
Ocean Breeze Sushi Set	[Price] 8,000 Unit [Effect] +7% Attack for all Combatants
Melt-in-Your-Mouth Sushi Set	[Price] 13,000 Unit [Effect] +5% Attack, +5% Health for all Combatants
Hearty Hamburger Steak Meal	[Price] 15,000 Unit [Effect] +7% Defense for all Combatants
Cheesy Hamburger Steak	[Price] 15,000 Unit [Effect] +5% Defense, +10% Critical Damage for all Combatants

Garden Cafe

At the Garden Cafe, you can get Aether once a day. You can choose to either instantly recover 80 Aether or obtain recovery items worth 60 Aether.

Epione Center

At the Epione Center, you can use two types of content: Psychotherapy and Trauma Code.

Psychotherapy

With Psychotherapy, you can treat Combatants who have fallen into a Deep Trauma in Chaos. If you challenge Chaos with a Combatant in Deep Trauma, you will suffer disadvantages, so be sure to treat them actively.

Trauma Code

You can also play Trauma Code at the Epione Center. Additionally, by using the Special Security Code sold at Nono's Shop, you can unlock Trauma Codes outside of their event period.

Research Facility

In the Research Facility, you can advance your research using the Research Notes that can be purchased at Nono's Shop. By advancing your research, you can gain beneficial effects for the game, such as shortening Policy creation time and increasing the amount of Aether you can retain.

Prioritize the Top Skill Tree

Among the three available skill trees, the top skill tree should be your main priority. It offers key upgrades that support daily progression, including access to the First Skill.

Unlock Research Priority List

Nono's Shop

At Nono's Shop, you can exchange items with points obtained from Policies. In addition to the Research Notes used for research, you can also obtain items that let you choose the Main Option for Memory Fragments and Training materials.

Shop Items Unlocked by Research

Location	Details
120~125 Lower Level	Advanced Battle Memory Premium Support Data
Lower Level 135~145 Lower Level	Core of Memory
150~ Lower Level	Traces of Memory

Excursion

In Ark City, you can go on an Excursion with a character that has appeared by selecting their location icon. Going on an Excursion will increase that character's Affinity.

Communication Pass is Required

You use a Communication Pass when going on an Excursion. You can automatically obtain 3 Communication Passes every day.

Add Favorite for Guaranteed Appearance

The characters that appear for Excursions are random, but if you register them as a favorite in Unigram, they will be guaranteed to appear. You can register up to 3 people, so be sure to register the characters whose Affinity you want to raise.

How to Unlock Ark City

Clear Chapter 2 #01-2 to Unlock

Ark City is unlocked by clearing Chapter 2 #01-2 [Ark City]. You need to progress to Chapter 2, so let's raise your Captain Level to 10 and take on the Promotion Mission.

Chaos Zero Nightmare Related Guides

Galactic Disaster Season

Galactic Disaster	The Great Rift
Nebula Distortion	Memory Encroachment

Beginner Tips

Early Game Guide	Daily Tasks
Recommended Gacha Banner	Ark City Guide
Card Epiphany Activation	How to Use Ego Skill
Stress Management	Weakness Attribute Guide
Safe Zone Guide	How to Restore Aether
How to Raise Captain Grade	ID Card Settings
Battle Pass (Arkhianon Supply) Guide & Should You Buy?	Simulation Guide
Twin Star's Shadow Guide	How to Download & Sync Data
Deep Trauma Guide	Latest Updates
Intermediate Captain Promotion Guide	Unigram Guide

Character Enhancement Guides

Character Enhancement Guide	How to Set and Upgrade Partner
How to Upgrade Potential	How to Use Save Data
How to Upgrade Manifest Ego	Memory Fragments
Prism Modules	Daily Reset Time
Zero System	Counseling Guide
Omega Codes	Redeem Codes
Zero System Guide	Basin of Hyperspace Guide
Affinity Guide