Octopath Traveler II - How to Unlock Inventor Job Class

A guide on how to unlock the Inventor job class for Octopath Traveler 2, including steps to change to the secondary job, required item (Proof of the Inventor), job skills, support skills, equipment, stats, and recommended characters to equip it.

Octopath Traveler II 2 - How to Unlock Inventor Job Class

How to Unlock Inventor Job Class Guide for Octopath Traveler 2

What is the Inventor Job Class?

The Inventor is one of the secondary jobs in Octopath Traveler 2 that you can unlock during the early stages of the main story. As the job’s name implies, the Inventor is focused on building “inventions” that allow him to use a number of useful support skills in battle.

Can be unlocked at Eastern New Delsta Highroad (Brightlands)

Talk to Arkar the Inventor to get the Proof of the Inventor (Secondary Job Key Item)

Octopath Traveler 2 - How to Unlock Inventor Job Class

To unlock the Inventor job, go to Eastern New Delstra Highroad (Brightlands). Note that the area has a Danger Level of 5.

Once you arrive, take the exit to the east. In the next area, follow the road east. When the path opens up north, take it and follow it. Continue up ahead to a caravan and follow the road as it goes east again.

Ignore the path that opens to the north and take the one that leads south. Continue along the path and you will find a wooden bridge that you can cross. Then, go inside the large house. Afterwards, talk to the Arkar the old Inventor to get Proof of the Inventor x1. This will now allow you to set the secondary job of any character in your party to the Inventor class.

Inventor Job Class Overview

The Inventor is a versatile support-focused job class that has access to various skills that improve the party’s performance in battle. The Inventor’s active job skills are referred to as “inventions” and must be built for them to become usable during the character’s turn. Once a skill has been used, it needs to be “built” again that will take a specific number of turns.

Equipment and Stats

Inventors are able to equip swords and axes and have well-rounded stats across the board. They, however, do not have the best speed and evasion in the game.

Job Skills

Below are a few of the Inventor’s job skills, including each ability’s effects and SP cost in the game. Inventor job skills are unlocked by obtaining various materials found throughout the main story and build an invention at Arkar’s shop.

Skill Name Effect SP Cost
Changeable Catapult Unleash an attack on all foes with a selected weapon. 0
Springy Boots Causes a single ally to act first for 5 turns from the next turn. 0
Critical Scope Turn all damage dealt to a single foe into critical damage for 4 turns. 0
Elemental Bomb Bottle Deal the same type of damage as a single foe’s exposed elemental weak point for 1 time. 0
Tin Horn Fill the latent power gauge of all allies. 0
Hastening Hammer Unleash a highly powerful physical attack on a single foe, and reduce the crafting time of an invention by 1 turn. 0
Arkar’s Coil Restore 40% of a single ally’s HP and SP and grant them 1 BP. Incapacitate allies will also be revived. 0

Support Skills

Below are a few of the Inventor’s support skills, including each ability’s effects and how to unlock them in the game.

Skill Name Effect How to Unlock
A Step Ahead The equipping character will act first at the start of battle. Unlocked after learning 4 job skills.
Upgraded Accessories Raises the attributes of the equipping character’s accessories. Unlocked after learning 5 job skills.
BP in Adversity Grants the equipping character 2 BP when near death. Unlocked after learning 6 job skills.
Fruits of Labor Raises the physical defense and elemental defense of the equipping character by 1 for every job skill learned. Unlocked after learning 7 job skills.

Recommended Characters for Inventor Job Class

During the early stages, it is recommended to have Throne or Agnea equip the Inventor as a secondary job class to give them access to swords and axes. Both characters start off with only being able to use daggers which may seem underwhelming in the beginning of the game.

Changing Throne or Agnea’s secondary job to Inventor also grants them the Changeable Catapult job skill to target all enemies. This may be useful for easily clearing regular battles early on.

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