Sekiro How to Upgrade Prosthetic Tool

Prosthetic Tool upgrades in Sekiro Shadows Die Twice are necessary for making yourself stronger, which is invaluable against some of the tough enemies you’ll encounter. The prosthetic tools in your arsenal in Sekiro can mean the difference between life and death, so upgrading them is fairly vital. However, you first need to obtain a certain item. Which, as you might expect, is easier said than done. With that in mind, here’s our Sekiro How to Upgrade Prosthetic Tool guide to show you how to get the item necessary to unlock upgrades in Sekiro Shadows Die Twice, as well as where you can get said upgrades.

Sekiro How to Upgrade Prosthetic Tool
Sekiro How to Upgrade Prosthetic Tool

How to Upgrade Prosthetic Tool in Sekiro?

To upgrade the Prosthetic Tool in Sekiro, you’ll need to obtain the Mechanical Barrel item. This item drops from Sekiro’s first main boss, Gyoubu Masataka Oniwa, or just Gyoubu Oniwa. So, yeah, the game is going to test your mettle fairly harshly before it even considers letting you upgrade your prosthetic tools. Pretty rough deal, but then again, most of us are already used to this kind of punishment from From Software games.

Anyway, Gyoubu Oniwa can be found in the Ashina Outskirts; more specifically, Ashina Castle Gate Fortress. As we’ve pointed out, he’s the first main boss, so following along where the game takes you will have you at his mercy soon enough. Oniwa fights on horseback, and wields an enormous spear. How you’re going to defeat him is going to be somewhat up to you and your playstyle; however, we can recommend a defensive approach.

Basically, Oniwa has a heavy attack that he does, and that leaves him open for a handful of hits. Also, if you’re quick, you can grapple him when a green circle appears, which will stun him. This will allow you to get about two hits in. So, turtle up, and wait for your opening.

Where to Unlock Sekiro Prosthetic Tool Upgrades – Master of the Prosthetic Trophy / Achievement

To upgrade your Sekiro Prosthetic Tool, once you get the Mechanical Barrel, head back to the Dilapidated Temple. Have a chat with your friend The Sculptor. This will unlock the option to upgrade your prosthetic tools. Of course, the Sculptor won’t just upgrade it for free. It will require money, as well as materials, such as Gunpowder and Scrap Metal.

Just keep in mind that you can only unlock different upgrades once you get whatever prerequisite skill is necessary first. When you upgrade all the different branches to their full extension, you’ll earn the Master of the Prosthetic achievement / trophy.

If you want to know more about Sekiro, check out other guides on the game, such as Prosthetic Tools Locations and Gourd Seed Locations – How to Upgrade Healing Gourd. More to come.

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Author JoeTheBard profile picture
A language teacher and video game enthusiast turned rogue, Joe is on a quest to become the ultimate gaming journalist. This is somewhat hampered by his belief that the golden age of gaming ended with the PlayStation One, but he doesn't let that stop him. His favorite games include Soul Reaver and Undertale. Other interests are D'n'D, dad rock, complaining about movies, and being the self-appointed office funny man, which nobody else agrees with.

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2 COMMENTS

    J
    Jeff

    “Language teacher” But doesnt realize the word hes looking for is “mettle” Not “metal” Not hating just educating. Got a good laugh out of it though, thanks. Also, considers* hey let me proofread for you my dude 🙂

      J
      JoeTheBard

      Hey dude, thanks for the corrections, always happy to learn something new.

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