Several items are required to unlock Inventor skills in Octopath Traveler 2 (Octopath 2). Read on to learn what items each inventor skill needs, their locations, and where to get the items needed for each skill.

All Inventor Guides
How to Get Inventor Job	Inventor Items Locations

List of All Inventor Skill Items

All Inventor Skill Items Locations

Inventor Skill	Item	Location
Critical Scope	Unerring Earring x1	Weapons Shop - New Delsta, Brightlands
	Critical Earring x1	Weapons Shop - Canalbrine, Harborlands
Elemental Bomb Bottle	Fire Soulstone x1	Black Market - New Delsta Flats, Brightlands
	Ice Soulstone x1	Black Market - New Delsta Flats, Brightlands
	Thunder Soulstone x1	Black Market - New Delsta Flats, Brightlands
	Rainbow Glass Bottle x1	Chest in Conning Creek: Harbor, Harborlands
Tin Horn	Empowering Lychee x1	Chest in North Beastling Traverse, Toto'haha
	Tin Toy x1	From Merchant in Department Store - Wellgrove, Leaflands
	Mythical Horn x1	Chest in Nameless Village, Toto'haha
Hastening Hammer	Soldier's Bow x1	Weapons Shop - Clockbank: Industrial District, Brightlands
	Great Blade x1	From Soldier in Sai, Hinoeuma
	Guardian's Axe x1	Weapons Shop - Stormhail, Winterlands
Arkar's Coil	Scrap Metal x1	From NPC in front of Weapons Shop in Clockbank: Industrial District, Brightlands
	Ancient Cog x1	From Factory Worker in Roque Island, Harborlands
	Natural Magnetite x1	Chest in Unfinished Tunnel - Southern Crackridge Wilds, Wildlands

Critical Scope Item Locations

Unerring Earring

Map View	Overworld View
Item: Unerring Earring Location: Weapons Shop - New Delsta, Brightlands Price: 280

Critical Earring

Map View	Overworld View
Item: Critical Earring Location: Weapons Shop - Canalbrine, Harborlands Price: 280

Elemental Bomb Bottle Item Locations

Soulstones

Map View	Overworld View
Items: Fire Soulstone, Ice Soulstone, and Thunder Soulstone Location: Black Market - New Delsta Flats, Brightlands Price: 700 per Soulstone or 2,100 in total

Soulstones are sold in the Black Market at New Delsta Flats, Brightlands. The market can only be accessed at night so don't forget to change the time from day to evening. If the merchant that sells the soulstones isn't at the Black Market, simply change the time again and again until the merchant that sells soulstones shows up.

Black Market Location

Rainbow Glass Bottle

Map View	Overworld View
Item: Rainbow Glass Bottle Location: Conning Creek: Harbor, Harborlands

A Rainbow Glass Bottle can be obtained from Conning Creek: Harbor, Harborlands. You can find the item inside a chest by the shore.

Tin Horn Item Locations

Empowering Lychee

Map View	Overworld View
Item: Empowering Lychee Location: North Beastling Traverse, Toto'haha

Empowring Lychees can be found anywhere in Solistia. If you don't have one though, you can fast travel to Beastling Village in Toto'haha then exit to North Beastling Traverse. Follow the road up north until you see a chest by the shore. Open it to get an Empowering Lychee.

Tin Toy

Map View	Overworld View
Item: Tin Toy Location: Department Store - Wellgrove, Leaflands

The Tin Toy can be obtained from the Department Store in Wellgrove, Leaflands at night after completing Chapter 3 of Partitio's storyline. Use Path Actions like Osvald's Mug or Agnea's Enreat to get the item from the merchant.

Partitio Chapter 3 Walkthrough

Mythical Horn

Map View	Overworld View
Item: Mythical Horn Location: Nameless Village, Toto'haha

The Mythical Horn can be obtained from a chest in the Nameless Village, Toto'haha that's being guarded by a beastling. Use Path Actions like Throne's Ambush or Hikari's Challenge to knock out the beastling, then safely get the Mythical Horn from the chest they're guarding.

Path Actions Guide

Hastening Hammer Item Locations

Soldier's Bow

Map View	Overworld View
Item: Soldier's Bow Location: Weapons Shop - Clockbank: Industrial District, Brightlands Price: 11,000

Great Blade

Map View	Overworld View
Item: Great Blade Location: Sai, Hinoeuma

A Great Blade can be obtained from one of the soldiers near the inn in Sai, Hinoeuma. This soldier will only show up at night so the only way you can get this is by using Osvald's Mug or Agnea's Entreat.

Guardian's Axe

Map View	Overworld View
Item: Guardian's Axe Location: Weapons Shop - Stormhail, Winterlands Price: 23,000

Arkar's Coil Item Locations

Scrap Metal

Map View	Overworld View
Item: Scrap Metal Location: Weapons Shop - Clockbank: Industrial District, Brightlands

A Scrap Metal can be obtained from the man outside the Weapons Shop in Clockbank: Industrial District, Brightlands. You can take the item from him using Path Actions like Osvald's Mug or Throne's Steal.

Ancient Cog

Map View	Overworld View
Item: Ancient Cog Location: Roque Island, Harborlands

Use Osvald's Mug or Agnea's Entreat to get the item from a Factory Worker NPC in Roque Island, Harborlands at night.

If you're using Osvald's Mug, we recommend equipping him with the a Gleaming Amulet to greatly reduce the light damage dealt to him.

The Gleaming Amulet can be found in the Sacred Guard Headquarters in Stormhail, Winterlands once you've unlocked the Forbidden Shrine during Temenos' Chapter 3 storyline.

Natural Magnetite

Map View	Overworld View
Item: Natural Magnetite Location: Unfinished Tunnel - Southern Crackridge Wilds, Wildlands

Take down the NPC guarding the entrance of the Unfinished Tunnel in Southern Crackridge Wilds, Wildlands using Throne's Ambush, Hikari's Challenge, or Ochette's Provoke.

Enter the tunnel and follow the railroad down south. Go down the wooden planks to your right, then down another plank again to your south. Keep moving left until you see a ladder. Climb it and open the chest to get a Natural Magnetite.

How to Unlock Inventor Skills

Examine Glass Enclosures at the Inventor Guild

Once you have all the items needed for an Inventor Skill, examine the glass enclosure associated with that particular skill in the Inventor Guild located at Eastern New Delsta Highroad, Brightlands.

Once you've unlocked a Job Skill, you can use it anytime in battle at 0 SP cost! Hwoever, do remember that each skill costs a turn every time you use it.

How to Get Inventor Secret Job Skills

Octopath Traveler 2 Related Guides

Octopath Traveler 2 Tips and Tricks

All Tips and Tricks
Day and Night Cycle Guide	Boat and Canoe Guide
Travel Banter Guide	How to Fast Travel
What to Do at Taverns	All Radar Icons Explained
Should You Choose Mahina or Akala?	How to Restore Reputation
Nuts Guide	Trophy and Achievements
Crossed Paths Guide	Missables Guide
Ship Guide and Features	True Ending Guide
Is There New Game Plus?	100 Percent Completion Guide
Drinking the Forbidden Elixir	How to Learn Limb from Limb Skill
Tier List and Best Guides
Best Weapons to Use	Best Secondary Jobs
Best Party Setup	Best Support Skills
Best Starting Character	Best Concoction Recipes
Best Character Tier List
Farming Guides
Money Farming Guide	JP Farming Guide
Octopuff Traveler Farming	Cait Farming
Jerky Farming Guide	Cait and Octopuff Differences
EXP Farming Guide
Location Guides
All Divine Weapon Locations	All Black Market Locations
All Guild Locations	All Altar Locations
Inventor Item Locations	All Gramophone Locations
All Legendary Arms Locations
Path Action Guides
Path Actions Explained	Best Items and Weapons to Steal
Best Monsters to Capture	Best NPCs to Allure
Best Skills to Learn from Challenges
Battle and Combat Guides
Break and Boost Guide	All Latent Powers Explained
Combat Bonuses Guide	How to Increase Encounter Rate
Status Effects and Buffs Explained	All Stats and Attributes
Controls and Settings
Difficulty Settings Guide	Recommended Settings
How to Skip Cutscenes	Basic Controls and How to Save
How to Transfer Demo Save Data