Quick answer
5% reported drop from Ryummy at Thriller Boat.
How to find or unlock Shusui
Start by checking the status above. For a released entry, follow the listed location, boss, merchant, quest, spawn, or crafting route: 5% reported drop from Ryummy at Thriller Boat.
Before using a key or rare material, confirm the same name appears in the live game interface. Haze Seas is receiving frequent 2026 updates, so a status-first check is safer than following an old video that may describe a preview build.
What it does
One of the swords associated with the 3SS path.
Availability & data confidence
Official + community cross-check means the entry name and core route were checked against official game surfaces or an official-Trello transcription, then compared with current community observations. Patch-sensitive values remain descriptive unless the current official text publishes an exact number.
Frequently asked questions
Is Shusui available in Haze Seas?+
Shusui is currently labelled Obtainable. Its listed route can be followed in the current data snapshot.
How do you get Shusui?+
5% reported drop from Ryummy at Thriller Boat.
What is Shusui used for?+
One of the swords associated with the 3SS path.