This is a walkthrough for the Colony 9 and Tephra Cave section of Xenoblade Chronicles Definitive Edition for Nintendo Switch. For a map of Colony 9 Landmarks and Locations, as well as boss strategy and other tips and tricks, read on!
List of Contents
| Objectives | |
|---|---|
| 1 | Defeat the Colony Krabble |
| 2 | Defeat the Common Caterpile |
| 3 | Follow the dotted line on your map to Colony 9 |
| 4 | Head to the Military District |
| 5 | Go into the Weapons Dev't Lab |
| 6 | Find Shulk at Outlook Park |
| 7 | Return to the Weapons Dev't Lab |
| 8 | Climb the hill and enter the Tephra Cave |
| Objectives | |
|---|---|
| 1 | Find the Mag Mell Ruins in the Tephra Cave |
| 2 | Cross the Tephra Cave and exit through the Rear Entrance |
| 3 | Fight off the constructs guarding the outpost |
The following side quests are available from this chapter:
| Quest | Location | Giver | Rewards |
|---|---|---|---|
| The Key to a Long Life | Tranquil Square | Dionysis | +100 Reputation 500 G 50 EXP Light Shoes |
| A Curry Conundrum | Ether Light | Giorgio | +100 Reputation 1200 G 60 EXP Caravan Gauntlets |
| Biscuits for a Grandson | Ether Light | Marcia | +100 Reputation 800 G 30 EXP Swimming Sandals |
| Education-Minded Suzanna | Tranquil Square | Suzanna | +100 Reputation 500 G 50 EXP Light Cap |
| Education-Crazy Suzanna | Tranquil Square | Suzanna | +100 Reputation 1500 G 300 EXP Ranger Cap |
| Lonely Niranira | Tranquil Square | Niranira | +100 Reputation 100 G 50 EXP Block Guarder |
| The Broken Watch | Ether Light | Désirée | +100 Reputation 750 G 80 EXP Muscle Up II |
| A Young Captain's Request | Fortress Entrance | Emmy Leater | +100 Reputation 600 G 70 EXP Dyed Top, Dyed Bottoms, Dyed Mules |
| Pride and Courage | Tranquil Square | Lukas | +150 Reputation 800 G 100 EXP Attack Plus II |
| Rocco's Heartful Request | Ether Light | Rocco | +100 Reputation 350 G 100 EXP Tinted Glasses, Pretty Bangle |
| Dean's Shady Request | Fortress Entrance | Dean | +150 Reputation 1500 G 200 EXP Lock-On Resist II |
| Liliana's Sincere Request | Ether Light | Liliana | +200 Reputation 4000 G 500 EXP Swimming Oil |
| Monster Quest 1 - Part 1 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 800 G |
| Monster Quest 1 - Part 2 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 500 G |
| Monster Quest 1 - Part 3 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1200 G |
| Monster Quest 2 - Part 1 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 800 G |
| Monster Quest 2 - Part 2 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1500 G |
| Monster Quest 2 - Part 3 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 800 G |
| Monster Quest 3 - Part 1 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 800 G |
| Monster Quest 3 - Part 2 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1000 G |
| Monster Quest 3 - Part 3 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 800 G |
| Monster Quest 3 - Part 4 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 600 G |
| Monster Quest 4 - Part 1 | Tephra Cave Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1000 G |
| Monster Quest 4 - Part 2 | Tephra Cave Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1500 G |
| Monster Quest 4 - Part 3 | Tephra Cave Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1200 G |
| Challenge 1 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 1800 G |
| Challenge 2 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1800 G |
| Challenge 3 | Fortress Entrance 06:00 - 18:00 | Defence Force Soldier | +50 Reputation 3000 G |
| Challenge 4 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 2200 G |
| Material Quest 1 | Fortress Entrance 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 500 G |
| Material Quest 2 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 800 G |
| Material Quest 3 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 800 G |
| Material Quest 4 | Tranquil Square 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1000 G |
| Collection Quest 1 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 500 G |
| Collection Quest 2 | Ether Light 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 300 G |
| Collection Quest 3 | Tranquil Square 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 800 G |
| Collection Quest 4 | Tranquil Square 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 300 G |
| Search Quest 1 | Central Plaza 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1200 G 50 EXP |
| Search Quest 2 | Tranquil Square 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1200 G 50 EXP |
| Search Quest 3 | Gem Man's Stall 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1000 G 50 EXP |
| Search Quest 4 | Tranquil Square 06:00 - 18:00 | Colony 9 Resident | +50 Reputation 1500 G 50 EXP |
Quests in Red Text indicate Timed Quests. As these quests will expire after progressing to a certain part of the game, be sure to complete them while they are still available!
 Enlarge |
| A | Gem Man's Stall |
|---|---|
| B | Mechon Wreckage Site |
| C | Main Entrance |
| D | Ether Light |
| E | Central Plaza |
| F | Fortress Entrance |
| G | Tranquil Square |
| H | Outlook Park |
| I | Tephra Cave Entrance |
| J | Cylinder Hangar |
| 1 | Commercial District |
|---|---|
| 2 | Military District |
| 3 | Weapon Dev Lab |
| 4 | Residential District |
| 5 | Anti-Air Battery 1 |
| 6 | Anti-Air Battery 2 |
| 7 | Anti-Air Battery 3 |
| 8 | Tephra Hill |
| 9 | Cliff Lake |
| 10 | Agora Shore |
| 11 | Hazzai Cape |
| 12 | Dunban's House |
| Title | Location | Char. 1 | Char. 2 | Affinity |
|---|---|---|---|---|
| Enduring Friendship | Tephra Cave Entrance | Shulk | Reyn | Green |
| Sunrise in the Park | Outlook Park | Shulk | Fiora | Yellow |
| Fiora's Cooking | Dunban's House | Reyn | Fiora | Green |
| Watching Over Them | Residential District | Reyn | Dunban | Pink |
| Overlooking the Colony | Agora Shore | Reyn | Sharla | Purple |
| Ancient Wreckage | Cylinder Hangar | Reyn | Melia | Purple |
| A Heropon's Perspective | Mechon Wreckage Site | Sharla | Riki | Purple |
| Veg | Sweet Wasabi | Cool Potato | Red Lettuce | Chewy Radish | - |
|---|---|---|---|---|---|
| Fruit | Dance Apple | Black Kiwi | - | - | - |
| Flower | Strong Dandelion | Moon Flower | Dawn Hydrangea | - | - |
| Bug | Prairie Dragonfly | Giant Hornet | White Beetle | Sorrow Beetle | - |
| Parts | Blue Chain | Rabbit Diode | - | - | - |
| Strange | Plate Snow | Rainbow Zirconia | - | - | - |
| Vegetables | Quick Step III |
|---|---|
| Fruit | Agility Up II |
| Flowers | Poison Defence III |
| Bugs | Regnas Gauntlets |
| Parts | Ether Up II |
| Strange | Strength Up II |
| 100% Completion | Carbon Driver |
You can start picking up side quests from Residents at Colony 9. There is no limit to the amount that you can take on, and many will be completed naturally as you play the game, so do not miss the opportunity to get them all!
Most people will give side quests, and a lot of those that don't give side quests give you area affinity if you talk to them. Every NPC with a name is worth talking to in Colony 9. These NPCs can also be used for trading.
Not all monsters need to be defeated, and some are outside your capability. If a monster is more than 1 or 2 levels higher than you at this stage, you should run past them and come back when you're a higher level, or grind experience then come back.
There is no boss battle for this chapter.
Xenoblade Chronicles Story Walkthrough
| Prologue | The Battle of Sword Valley |
|---|---|
| Chapter 1 | Colony 9 and Tephra Cave |
| Chapter 2 | Colony 9 (Mechon Invasion) |
| Chapter 3 | Tephra Cave (Revisited) |
| Chapter 4 | Bionis' Leg |
| Chapter 5 | Colony 6 and Ether Mine |
| Chapter 6 | Satori Marsh and Bionis' Interior (1st Time) |
| Chapter 7 | Makna Forest and Frontier Village |
| Chapter 8 | Eryth Sea, Alcamoth, and High Entia Tomb |
| Chapter 9 | Prison Island (1st Time) |
| Chapter 10 | Valak Mountain |
| Chapter 11 | Sword Valley and Galahad Fortress |
| Chapter 12 | Fallen Arm |
| Chapter 13 | Mechonis Field |
| Chapter 14 | Central Factory and Agniratha |
| Chapter 15 | Mechonis Core |
| Chapter 16 | Central Factory (Revisited) |
| Chapter 17 | Bionis' Interior and Prison Island (Revisited) |
| Final Boss | Memory Space |
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