Deflecting strikes and timing will carry you through basic fights in Onimusha: Way of the Sword, but if you want to challenge the deadly high-level Genma, you must expand Musashi’s core vitality. Power Stones are upgrade materials used alongside Red Souls at Spirit Mirrors to unlock and upgrade Musashi’s Basic Skills like Quick Use, Soul Absorption Boost, Item Drop Rates, and Charm Capacity. Basic Skill tree’s full upgrade unlocks “The Winding Way of the Sword” trophy/achievement.
Scattered throughout Edo-era Kyoto—from the rooftops of Kiyomizu-zaka to hidden cavern nooks in Mount Oe—these collectibles are frequently locked behind puzzle chests, side quests, random encounters, and hard-to-reach ledges. This complete location guide breaks down where to find every Onimusha: Way of the Sword Power Stone so you can build the powerful samurai defense.
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All Power Stone Locations in Onimusha: Way of the Sword
There are 55 Power Stones to collect in Onimusha: Way of the Sword to completely upgrade all the skills for the Well-Rounded trophy/achievement. Use the table below to track chest finds, mission rewards, and optional activities to grab all the stones the game offers.
| Power Stone | Area | How to Get + Location |
|---|---|---|
| #1 | Kiyomizu-dera Temple | Head to the Oni Refuge area of Kiyomizu-dera Temple towards the northern part of the map where the path splits off. Look across to the isolated stone island platform and shoot the drawbridge with your bow to raise it. Cross over to loot the chest. |
| #2 + #3 | Eastern Kyoto | Automatically rewarded by completing the main story mission “Kyoto, Corrupted“. |
| #4 | Eastern Kyoto | Complete the main story mission “Careful What You Wish For” to get it as a reward. |
| #5 + #6 | Eastern Kyoto | Reward for completing the main mission “Windswept Kennin-ji” (after defeating Ifuu). |
| #7 | Eastern Kyoto | Found west of Rokudo-chinnoji Temple (southeast of Kamo River – East Spirit Mirror). Open the chest inside an outdoor covered courtyard nook behind a tree and wooden crates. |
| #8 | Underground Laboratory | Inside Underground Level 3. Found in the corner of a side room along the upper northern corridor. |
| #9 | Kiyomizu-dera Temple | Southwest of Oni Refuge. Break the first Malice Barrier to get access to the temple path, pass through the cave, and open the chest placed in front of a row of red-bibbed Jizo statues. |
| #10 | Kiyomizu-dera Temple | Past the second Malice Barrier inside the Kiyomizu-dera Temple compound. Open the large wooden double gate, go right up the stone stairs, and open the chest next to stacked hay bales. |
| #11 | Eastern Kyoto | Found in a chest north of the Kiyomizu-zaka Slope Spirit Mirror and east of Yasaka Pagoda in a back alleyway behind a building and a bamboo fence. |
| #12 + #13 | Eastern Kyoto | Reward after completing the main story mission “Bloodbath on the Bridge“. |
| #14 | Eastern Kyoto | Found on the small island of Kyoto west of the Kamo River. Head to the island west across the bridge near Gojo-ohashi. Run to the end of the wooden river dock and open the chest placed beside stacked crates and a brazier. |
| #15 | Eastern Kyoto | Located inside the lake well in northern Kyoto. Open the 2nd Oni Portal using Oni Power and clear the challenge. (Prerequisite: Must complete the first Oni Portal to access). |
| #16 | Eastern Kyoto | Complete the main story mission “Shadows Fall” to get it as a reward. |
| #17 + #18 | Kiyomizu-dera Temple | Reward for completing the “A Wife’s Prayer” Mystery of Kyoto. (Unlocks after you finish the main mission “Bloodbath on the Bridge”). |
| #19 + #20 | Eastern Kyoto | Reward for completing “Ace Archer: Nijo-jo Castle” Chance Encounter. (Talk to the samurai NPC in town after “Bloodbath on the Bridge”). |
| #21 + #22 | Eastern Kyoto | Complete “An Ugly Business” Chance Encounter. (Becomes available after you complete the main mission “To Live Is To Suffer”). |
| #23 | Eastern Kyoto | Find the chest in a narrow residential alley courtyard southwest of Gojo Street – West Spirit Mirror. |
| #24 | Eastern Kyoto | Reward for completing the main story mission “A Tempest at the Temple“. |
| #25 + #26 | Eastern Kyoto | Complete “The Growling Ghost” Chance Encounter. (Talk to the townsman after the main mission “A Tempest at the Temple”). |
| #27 + #28 | Eastern Kyoto | Complete “Ace Archer: Kyoto Imperial Palace” Chance Encounter. (Talk to the palace archer after “A Tempest at the Temple”). |
| #29 + #30 | Eastern Kyoto | Go to the Sasaki Ganryu battle arena courtyard near the Yasaka Pagoda Spirit Mirror. Climb the ladder to the roof, drop down where the Genma will be having a party. Kill them first and then loot the chest containing 2 Power Stones. (Only appears during/after the “Noisy Neighbors” Chance Encounter). |
| #31 + #32 | Eastern Kyoto | Reward for completing the main story mission “Okuni’s Kabuki Dance“. |
| #33 | Mount Oe | Reward for completing the main story mission “The Demon on the Mount“. |
| #34 | Eastern Kyoto | Located in the northern district ruins. Enter the Oni Portal #3 and complete the trial. (Unlocks after completing Oni Portal #2). |
| #35 + #36 | Eastern Kyoto | During the “Hidden Oni Treasure #3” Chance Encounter, go to the courtyard slightly west of Kennin-ji Temple and use Oni Power to reveal the hidden chest. (Unlocks after the main mission “Okuni’s Kabuki Dance”). |
| #37 | Mount Oe | In the Valley of Mount Oe just past the Ruins Area II Spirit Mirror, the chest is on a wooden scaffolding platform built against the cavern rock wall overlooking the Genma fort. Cross the wooden walkway to interact with the lever mechanism to lower the cage, then go back, drop down on the cage, and climb the ladder to the chest. |
| #38 | Mount Oe | Found inside the cave chamber of Mount Oe in the same room as the Storehouse Spirit Mirror. |
| #39 + #40 | Eastern Kyoto | Reward for completing the main story mission “A Haunted Distraction“. |
| #41 + #42 | Eastern Kyoto | Complete “The Night Parade” Mystery of Kyoto. (Becomes available after completing “The Demon on the Mount”). |
| #43 + #44 | Kiyomizu-dera Temple | Talk to the quest giver in Kyoto to receive Old Drawing No. 4 (“The mountain temple of the dead”). Travel to Kiyomizu-dera Temple, step onto the exterior wooden balcony, and use Oni Power to reveal and open the Hidden Oni Treasure #4 chest. (Complete the Demon on the Mount main mission to unlock “Hidden Oni Treasure #4” Chance Encounter). |
| #45 | Eastern Kyoto | Located down a bamboo fenced alleyway north of the Higashioji Street Spirit Mirror. |
| #46 | Eastern Kyoto | Found in a rocky cliff alcove just outside and south of the Yasaka Shrine. |
| #47 | Eastern Kyoto | Found in northwest Kyoto near the river bridge (Sandbar – Near Stage). Climb the tall wooden ladder of the multi-tier lookout watchtower to reach the chest on the top deck. |
| #48 + #49 | Arashiyama | Reward for completing the main story mission “Storm Chaser“. |
| #50 | Arashiyama | Found in the Bamboo Grove in Arashiyama. Open the chest on an open stone plaza surrounded by red spider lilies and candlelit stone pagodas. |
| #51 | Arashiyama | Located at the northern end of Arashiyama Swamp, placed against a rock wall near a wooden ramp and brazier. |
| #52 | Arashiyama | Also found in Arashiyama Swamp beside a small wooden shrine building, just across from the Spirit Mirror: Swamp I. |
| #53 | Arashiyama | Found inside Hozukyo Gorge. Head west of the Hozu River Spirit Mirror to the village dead end and enter the dilapidated hut to find the chest on the floor. |
| #54 + #55 | Arashiyama | Reward for completing the final main story mission “The Clash at Rendaino” (just past the Point of No Return). Speak with Takamura inside the chamber to get all the rewards, including the last two Power Stones. |
