The Osaka Castle Samurai Daishos are key enemies inside Assassin's Creed Shadows, each guarding crucial locations within the fortress. Taking them down not only earns mastery points but also grants access to a Legendary Chest with powerful rewards.
This guide will help you find all the Osaka Castle Samurai Daishos, along with other key rewards hidden within Osaka Castle.
All Osaka Castle Samurai Daisho locations in Assassin's Creed Shadows

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1) Southwestern patrol - First Samurai Daisho
The first Osaka Castle Samurai Daisho is situated near the southwest corner of the castle grounds, patrolling next to a haystack next to the outer wall. There is little enemy activity in this area, so it is a good place to set an ambush.
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2) Southeastern construction area - Second Samurai Daisho
The second Samurai Daisho is located in the southeastern corner of Osaka Castle, within a construction area. He does not move much, so he is an easy target to eliminate quietly.
3) Main Castle tower - Third Samurai Daisho
The third Samurai Daisho is located just outside the main castle tower, moving along its western, northern, and eastern sections. If you’ve synchronized at Osaka Castle’s viewpoint, you can use the pile of hay nearby for a Leap of Faith Assassination, catching him off guard.
Unlocking the Legendary Chest in Osaka Castle

Legendary Chest location
The Legendary Chest resides on the rooftop of Osaka Castle's main tower, located in the middle of the fortress. The most convenient way to enter it is through opening the roof hatch and descending from the top.
Osaka Castle Kura Key location
Osaka Castle Kura Key is borne by a fan-carrying samurai in the northeastern sector of the stronghold. Defeat him to get the key.
Storage shed locations and additional resources
1) Northwest Quadrant
There is one storage shed stationed in the northwest quadrant, between the castle walls. Look for an open space to locate it easily.
2) Castle Tower
Additional resources are stored inside the bottom floor of the main castle tower. You’ll need the Osaka Castle Kura Key to unlock this area and claim the loot.
Rewards for defeating the Samurai Daishos and looting the Osaka castle
Clearing out all Osaka Castle Samurai Daishos inside Osaka Castle rewards players with 3 Mastery Points and the Legendary Light Armor - Peasant Clothes, which grants a 3% chance to remove 1 Health Segment on hit — a perfect match for quick-strike weapons like the Tanto.
Completing this challenge also grants 3,000 XP and the Assassination with Attack Engraving, further enhancing combat efficiency in Assassin's Creed Shadows.
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