Sekiro’s Prosthetic Tools are just that: tools. Sure they’re weapons, but it’s even more useful to think of them as tools to solve the puzzles the game presents. The Sabimaru is a Prosthetic Tool you’ll find in Ashina Castle.
It’s easy to miss the location, so this guide will walk you through finding it and its uses.
The Sabimaru Prosthetic Tool is hidden in an area you could pass through countless times and never search — we missed it for hours.
Head to the Ashina Castle > Upper Tower Antechamber Sculptor’s Idol. Go up the stairs and handle the samurai behind the screen. The next room has two samurai and an old woman patrolling. Handle or ignore them however you’d like.
Your goal is below you. Jump the railing and grapple to the beam as you fall. Look below you to spot a samurai and three grunts. Target the samurai and take him out with a plunging Deathblow, then deal with his backup.
Head into the adjoining room and pick up the Eel Liver, then open the nearby chest to find the Sabimaru. Take that back to the Sculptor at the Dilapidated Temple, and he’ll turn it into a Prosthetic Tool for you.
Sabimaru as a Prosthetic Tool
he Sabimaru isn’t as generally useful a Prosthetic Tool as, say, the Shinobi Firecracker. It’s expensive to use — every hit in its combo chain consumes one of your Spirit Emblems. But the poison abnormality it imparts can be extremely beneficial in some fights, particularly against Snake Eye Sharifuji.