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Xenoblade Chronicles X: Definitive Edition

Mia Is Missing! Walkthrough

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★ Missions: Normal | Basic | Affinity
☆ Tier List: Characters, Classes, Skells
★ Best Divisions | How to Change Divisions
☆ Character Customization and Fashion Gear
★ 104 FN Site Locations | 99 Lobster Locations
☆ All Heart to Heart Locations

Mia Is Missing! is a Normal Mission that unlocks Mia as a playable character in Xenoblade Chronicles X. Learn how to unlock Mia Is Missing!, its full walkthrough, enemies, rewards, as well as where to find Mia!

List of Contents

Mia Is Missing! Mission Overview

Mission Details

Client Mia
Location Cauldros, Ganglion Antropolis
Areas of Interest Cauldros, Administrative District
Summary Mia has been kidnapped. Go free her.

Note: Areas of interest are the place(s) you will visit as you progress Mia Is Missing！

Mission Objectives

・Search for a blue-suited xenoform in Cauldros's Ganglion Antropolis.
・Acquire the container key from HH100: Hierana in Cauldros's Ganglion Antropolis.
・Talk to Mia in Cauldros's Ganglion Antropolis.
・Talk to Walter at the maintenance center in the administrative district.

How to Unlock Mia Is Missing!

Unlock Requirements

How to Unlock
• Clear Consequences
• Clear It's-a Mia！
• Clear Definian Downfall
• Survey 65% of Cauldros

The table above contains all the requirements needed to unlock the mission, Mia Is Missing！.

It's-a Mia! Questline

Order Mission
1 Chapter 3: Builders of a Legacy
2 Mamma Mia!
3 Chapter 5: Ma-non Maneuvers
4 Adventure!
5 Chapter 6: Dark Matters
6 Mighty Mia
7 Chapter 9: Warriors of Wroth
8 A Girl's Wings

Since It's-a Mia! is a required mission, you'll need to complete its entire questline first. This table shows the full list of all 8 missions leading up to it.

Make sure to finish them all before It's-a Mia! becomes available.

List of All Missions

Mia Is Missing! Walkthrough

Step-by-Step Walkthrough

# Walkthrough
1 To unlock the Mia Is Missing! normal mission, you must first complete Chapter 11, the It's-a Mia! and Definian Downfall Normal Missions and must have surveyed at least 65% of Cauldros.

Head over to the Ganglion Antropolis in Cauldros and locate Mia behind a locked container. Her position is in a small cave at the top center of the map. Defeat the enemies guarding the area to trigger a cutscene.
▶Chapter 11: Consequences
2 After the cutscene, accept the mission by choosing to help Mia. Your first objective is to find a blue-suited Xenoform in the same area.

Turn on the Follow Ball and follow where it leads you.
▶Noctilum Region Map Guide
3 You will eventually be led to a Definian masquerading as Mia. Do not fall for her tricks as the real Mia is locked up in the container.

After the cutscene, you will battle a Level 50 HH100: Hierana, which drops the key to Mia's trailer upon defeat.
4 Return to where you found Mia and set her free using the key.

After the cutscene, fast travel to the Maintenance Center in the Administrative District of New LA and find Walter.

After the cutscene, the mission will be completed and Mia will join your party.
▶New Los Angeles (NLA) Map Guide

Where to Find Mia

Find Mia in the Ganglion Antropolis (Cauldros)

Mia is trapped inside a locked container in Ganglion Antropolis, Cauldros. The container is located inside a small cave at the top center of the map.

You will need to defeat the guarding enemies to trigger a cutscene. Her location is also marked yellow on the map.

Cauldros Region Map Guide

Mia Is Missing! Enemies

Quantity All Enemies
1 Level 50 - HH100: Hierana

Mia Is Missing! Rewards

All Mia Is Missing！ Mission Rewards
460 EXP

Clear to Unlock Mia

Unlocked Character
MiaMia

Completing Mia Is Missing！ unlocks Mia as a playable character in Xenoblade Chronicles X!

List of All Characters

Xenoblade Chronicles X: Definitive Edition Related Guides

Missions

List of All Missions

All Mission Types

List of Mission Types
Story Missions Affinity Missions
Normal Missions Basic Missions
Online Missions Support Missions
Time Attack Missions Global Nemesis Missions

Other Mission Guides

Other Guides
List of All Squad Tasks and How to Clear Them

All Normal Mission Walkthroughs

List of Normal Missions
Definian Love Welcome Back, Conner Cinicula Assault
Better Latte Than Never A Hero's Ride Myles to Go
Mayhem The Probe-fessional Planetary Pioneer (Part I)
Primordia Trailblazing 1 Primordia Trailblazing 2 Primordia Trailblazing 3
City Saviors A Painful Lesson Data Miner
Installation Research Miranium
Forest Foray Mamma Mia！ Yardley's Scheme
The Trading Floor Rise of the Blood Lobster Mission A
Mission B Mission C Mayday
A Proper Chopper A Tip of the Cap Lesson From the Grave
Castle in the Sky Supplies Surprise That's In-Credible！
Booming Business Dodonga Caravan Dorian Caravan
Adventure！ The Celeste Three Water Woes
Missing in Action The Handy Ma-non Mystery Man
Prone Sweet Prone Planetary Pioneer (Part II) Noctilum Trailblazing 1
Noctilum Trailblazing 2 Noctilum Trailblazing 3 The Pip-Squeak
No Ma-non Need Apply Tree-mendous The Bodyguard
Rescue at the Ensconced Citadel The Skell License Proficiency Exam 1
Proficiency Exam 2 Proficiency Exam 3 Proficiency Exam 4
Proficiency Exam 5 Proficiency Exam 6 Proficiency Exam 7
Proficiency Exam 8 Frontier Spirit Close Encounters
The Fashionista Planetary Pioneer (Part III) The Membership
The Miracle Maker Lakeside Getaway Mighty Mia
Predator and Prey A Grim Undertaking Quegga's Gift
Sun'celeg Rises The Silver Membership Attack on Biahno Hills
Training Day Alien Nation Emotion Commotion
Professor B's Return The Journey Begins Circle of Life
Going Viral Good Neighbors Ovah And Out
Dead Men Tell No Tales The Voltant Visionary Gorkwa Games
Trade Agreement Pollution Solution Special Delivery
Planetary Pioneer (Part IV) Setting Forth Rites of Ruin
Shotgun Diplomacy Data Probe Challenge The Root of All Evil
Lone Survivors The Art of War Forbidden Love
Sparking A Smile Entrepreneurial Spirit Hair Apparent
Muimui's Meltdown Cavern Crushers Pack It In
Herbivores, Unite！ The Line of Fire It's-a Mia！
A Dubious Operation Here Come The Brides Stop, Thief！
The Good Thief Haywire！ The Gold Membership
Murder Most Foul House Call Slovity's Rampage
The Bug Whisperer Bread And A Circus Alex's Last Stand
My Angel, My Lana Unknown Assailant Data Probe Progress
Waste Not, Want Not Turf War Good Fortun
The Duel (Part I) The Ultimate Price No-Show Nan'celeg
Orphean Pluck Wrothian Innovation The Duel (Part II)
The Duel (Part III) The Duel (Part IV) White Lifehold
Gold Rush Law and Orders The Sword of Legendaryness
Definian Downfall Child of Mira A New Life
Lend an Ear Until the End Two Warriors
The Queen is Dead Planetary Pioneer (Part V) Slovity's Revenge
Mia Is Missing！ A Dish Served Cold Black Lifehold
Unsatisfied Customer Data Probe Breakthrough Plans of Attack
The Platinum Membership Snipe Hunt Professorial
The Old Gods The Unbreakable Sword An Ancient Legend
Fortun and Glory The Divine Nopopon A Fateful Choice
The Party Line Cooking Schooled New Frontier
Data Probe Evolution Data Probe Revolution The Lurker
The Gauntlet Leaving The Nest Oblivia Trailblazing 1
Oblivia Trailblazing 2 Oblivia Trailblazing 3 Kidnapped: Uzoma Vassago
Kidnapped: Oll Valdileo Kidnapped: Rada Valdileo Sylvalum Trailblazing 1
Sylvalum Trailblazing 2 Sylvalum Trailblazing 3 The Big Bang
Hackers Securing Lan'cord Material Hunt A
Material Hunt B Material Hunt C Elma's Task A
Elma's Task B Elma's Task C Cauldros Trailblazing 1
Cauldros Trailblazing 2 Cauldros Trailblazing 3 The Divine Napopon
The Divine Nipopon The Divine Nupopon

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