Onimusha Way of the Sword contains 53 Power Stone locations. Power Stones are upgrade materials, needed to fully upgrade all skills for the Well-Rounded trophy & achievement. You can find enough Power Stones on the first playthrough to upgrade everything but you won’t get enough Oni Stones in one playthrough to fully upgrade the Gauntlet. Your skills carry over into New Game+ and you can collect the upgrade materials again for the last upgrades.
You can still free-roam and find all collectibles up until the Point of No Return before the final mission “The Clash At Rendaino”. If you keep a manual save from this point, then you can still clean up everything from there.
Collectibles & Upgrade Materials Overview:
Power Stones
Power Stone 1 – Located in a chest in the Oni Refuge.
Head to the location above and locate the chest on a small island. Look between the land you are on and the small island and you will see a bridge you can shoot with an arrow to raise. Once risen, head over the bridge and open the chest:
Power Stone #2 + #3 – Reward for completing ‘The Silent Gauntlet’.
Power Stone #4 – Reward for completing “Careful What you Wish For”.
Power Stone #5 + #6 – Reward for completing “Windswept Kennin-ji”.
Power Stone #7 – Found in a chest in a small courtyard Southeast of the Kamo River – East Spirit Mirror in Kyoto:
Power Stone #8 – Found in a chest in the Underground Laboratory in Underground Level 3:
Power Stone #9 – Found in a chest in Kiyomizu-dera Temple behind an Malice Barrier:
Power Stone #10 – Found in a chest North of the Kiyomizu-zaka Slope Spirit Mirror:
Power Stone #11 + #12 – Reward for completing “Bloodbath on the Bridge”.
Power Stone #13 – Found in a chest on the West island of kyoto:
Power Stone #14 – Reward for completing the second Oni Portal.
Power Stone #15 – Reward for completing “Shadows Fall”.
Power Stone #16 + #17 – Reward for completing the “A Wife’s Prayer” Mystery of Kyoto.
Power Stone #18 – Found in a chest in Kiyomizu-dera Temple when taking the path behind the Oni Wall:
Power Stone #19 + #20 – Reward for completing the “Ace Archer: Nijo-jo Castle” Chance Encounter.
Power Stone #21 – Reward for completing the “An Ugly Business” Chance Encounter.
Power Stone #22 – Found in a chest Southwest of the Gojo Street – West Spirit Mirror:
Power Stone #23 – Reward for completing “A Tempest at the Temple”.
Power Stone #24 + #25 – Reward for completing the “The Growling Ghost” Chance Encounter.
Power Stone #26 + #27 – Reward for completing the “Ace Archer: Kyoto Imperial Palace” Chance Encounter.
Power Stone #28 + #29 – Found in a chest where you fought Sasaki Ganryu next to the Yasaka Pagoda Spirit Mirror:
Power Stone #30 + #31 – Reward for completing “Okuni’s Kabuki Dance”.
Power Stone #32 – Reward for completing “The Demon on the Mount”.
Power Stone #33– Reward for completing the 3rd Oni Portal.
Power Stone #34 + #35 – Found in the Hidden Oni Treasure #3 chest.
Power Stone #36 – Found in a chest in the Valley of Mount Oe after moving around platforms return to the previous platform you wall ran on and drop down and follow the path:
Power Stone #37 – Found in a chest in the same room as the Storehouse Spirit Mirror in Mount Oe:
Power Stone #38 + #39 – Reward for completing “A Haunted Distraction”.
Power Stone #40 + #41 – Reward for completing the “The Night Parade” Mystery of Kyoto.
Power Stone #42 + #43 – Found in Hidden Oni Treasure #4 chest.
Power Stone #44 – Found in a chest North of the Higashioji Street Spirit Mirror:
Power Stone #45 – Found in a chest just outside Yasaka Shrine in Kyoto to the South:
Power Stone #46 + #47 – Reward for completing “Storm Chaser”.
Power Stone #48 – Found in a chest in bamboo Grove in Arashiyama:
Power Stone #49 – Found in a chest in the North end of the swamp in Arashiyama:
Power Stone #50 – Found in a chest in the Swamp of Arashiyama:
Power Stone #51 + #52 – Reward for completing “The Clash at Rendaino”.
Power Stone #53 – Found in a chest at the dead end of the village West of the Hozu River Spirit Mirror in Arashiyama:
For all other collectible refer to the Onimusha Way of the Sword Collectible Locations Guide.
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