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In addition to the eight regular jobs that the main cast ofOctopath Traveler 2have access to, there are also four secret jobs that they can acquire. These jobs are unique and have more quirky skills than the regular jobs - as a result, making them work is often more involved than usual.
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One of these jobs is the Inventor, a useful job that grants access to a few weapon types and a host of very useful skills. The only problem is that acquiring these skills involves a hefty treasure hunt that might take you many hours.
How To Unlock Inventor Skills
As with all other jobs, the Inventor job has you starting with two skills already learned -Changeable CatapultandSpringy Boots- and six to unlock.
Five of the Inventor’s skills are unlocked byprocuring items across the world of Solistiaand returning them to Arkar, the Inventor who gives you the job license who lives to the east of New Delsta. The sixth is learned once you’ve learned the previous five.
All you have to do isgather the required materials and deliver them to Arkar. Once you’ve done this, the relevant skill will be unlocked for all eight travelers at once, meaning they will also all get the Inventor job’s support skills at the same time, too.
As with the other unique jobs, there is only one Inventor license in the game, so only one character at a time can use the job’s helpful moves. It’s best suited to characters who often have downtime, so avoid characters who are very regularly setting up or controlling the battlefield, such as Osvald, Throné, and Agnea. Instead,try using Inventor with Partitio or Hikari- both will appreciate the expanded repertoire of damage types.
All Inventor Skill Item Locations
The table below details the items required for each Inventor skill and how to acquire them. Most of them can be acquired as soon as you have access to the wider world, but some will require progressing specifically in Partitio’s storyline, and some are locked behind some tough-to-get items.
Critical Scope
Unerring Earring
You can find multiple Unerring Earrings in the game. You can purchase one in theWeapon Shop in New Delsta.
Critical Earring
You can find multiple Critical Earrings in the game. You can find one inSai’s East Districtby taking it from theCarpenterwho stands in front of the Item Shop in the daytime.
Elemental Bomb Bottle
Fire Soulstone
Elemental soulstones are found consistently throughout the game, but a very easy location to pick these up are inthe nighttime Black Market when it is being run by the two clerics. You can find the Black Market in the New Delsta Flats at nighttime only.
Thunder Soulstone
Rainbow Glass Bottle
On the beach in thenorthern part of Conning Creek, in a red chest on the left.
Tin Horn
Empowering Lychee
Empowering Lychees are found throughout the game in chests, from NPCs, and as rewards for defeating monsters.
Tin Toy
After completing Partitio’s Chapter 3, head to theWellgrove Department Store at night. On the second floor there is aMerchantstanding in the circle. Either Entreat him with Agnea or Mug him with Osvald to get the Tin Toy.
Mythical Horn
There is aBeastling on the lower level in the Nameless Village, which is found on the northern side of Toto’haha.Knock him unconsciousand open the chest behind him to get the Mythical Horn.
Hastening Hammer
Scrap Metal
Taken from theFactory Worker who stands outside the Clockbank Weapon Shopat all times of day.
Ancient Cog
Taken from aFactory Worker who lives on Roque Island next to the tavern. Can only be found in the daytime.To reach Roque Island, you’ll need to purchase Partitio’s boat.
Natural Magnetite
Inside ared chest in the Unfinished Tunnel to the west of Crackridge. You do not need to beat the boss in the tunnel to get this chest.
Purchased at theWeapon Shop in Clockbankfor 11,000 leaves.
Great Blade
Taken from an Elite Sanctum Knight in Stormhail, who resides in the Tavern at nighttime. He is a very strong opponent for Osvald to take down himself, so it might be better to Entreat it from him with Agnea once she reaches level 37.
Guardian’s Axe
Purchased at theWeapon Shop in Stormhailfor 23,000 leaves.
Once you have completed all of Arkar’s inventions, you will also get theAll-Purpose Tool skilland complete the quest related to the inventions, which rewards you with some leaves and aMechanical Top Hat. The hat is a very useful piece of headgear, providing 75 physical defense, 62 elemental defense, and 65 accuracy.
