Onimusha: Way of the Sword — Side Content Guide: Mysteries and Chance Encounters
How the side-content systems of Onimusha: Way of the Sword work — 8 Mysteries of Kyoto and 18 Chance Encounters, and what they reward.
FAQ
What are Mysteries of Kyoto?
What are Chance Encounters?
When does side content unlock?
Do side quests carry over into New Game+?
What does rescuing townspeople do?
Onimusha: Way of the Sword keeps its map busy with two side-content systems — Mysteries of Kyoto and Chance Encounters — plus random citizen rescues. This page explains how each system works, when it opens up, and what it pays out. For the per-item collectible sweeps (Lion Dogs, Genma Notes, stones), see the pages linked from the Platinum roadmap.
How do the two systems work?
| Mysteries of Kyoto | Chance Encounters | |
|---|---|---|
| Count | 8 | 18 |
| Map marker | Butterfly icon | Notebook icon |
| What they are | “a set of side quests you can complete for rewards” — each “tells its own small story, sends you across Kyoto… and throws a wave of enemies your way” (IGN) | “side missions… helping out ordinary citizens of Kyoto” (IGN) |
| Tracking | Curious Cases menu, as Observations (PowerPyx) | Not documented as tracked — PowerPyx and Gaming ProMax are silent on a menu entry |
| Trophies | Mystery Solved (first), Demystified (all 8) | Life-Saver (first), No Job Too Small (all 18) |
Both systems open as the story progresses — individual entries gate behind named main missions, listed below.
When does side content unlock?
- Mysteries of Kyoto unlock after the main mission “What Lurks in the Shadows” (PowerPyx, confirmed by Gaming ProMax). Lady Murasaki — the spectral writer behind the activity — formally introduces them in The Light of Vengeance, the twelfth story mission, at Yasaka Shrine (IGN walkthrough). Her character page has the full introduction.
- Chance Encounters appear “once you have cleansed [an area] of corruption” (IGN trophy page — single-source on the cleansing mechanic), with the first opportunities from the early mission The Curse of Kiyomizu-zaka Slope onward. Each encounter then gates behind a named main mission.
All 8 Mysteries of Kyoto
Names and unlock missions below match PowerPyx and Gaming ProMax exactly. Reward names for #5–#8 are Gaming ProMax single-source; #1–#2 rewards were not itemized by any fetched source, while #3–#4 charm attributions come from the charms guide’s source (single-source) and #4’s Fine Silk Cloth from PowerPyx’s material list.
| # | Mystery | Unlocks after | Reward |
|---|---|---|---|
| 1 | The Light of Vengeance | Story-mandatory (cannot be missed) | Not itemized in sources |
| 2 | A Wife’s Prayer | Bloodbath on the Bridge | Not itemized in sources |
| 3 | Something in the Water | A Tempest at the Temple | Charm of Purification (charms guide’s source, single-source) |
| 4 | The Blessed Man | Available as soon as Mysteries unlock | Fine Silk Cloth (PowerPyx materials list); Inner Strength Charm (charms guide’s source, single-source) |
| 5 | The Night Parade | The Demon on the Mount | Charm of Protection |
| 6 | The Faceless | Okuni’s Kabuki Dance | Fencer’s Strength Charm |
| 7 | The Three Worms | Okuni’s Kabuki Dance | Blazing Charm |
| 8 | Hanging Monkeys | The Demon on the Mount | Oni Strength Charm |
Note on naming: PowerPyx files #7 as “The Three Worms” with Gaming ProMax attaching the parenthetical “(Worm-ly Ways)” to both #6 and #7 — the in-game mapping of that subtitle is ambiguous across sources, so this page does not print it as a quest name.
All 18 Chance Encounters
Grouped by the main mission that unlocks them, per PowerPyx and Gaming ProMax (lists match exactly). Charm rewards are Gaming ProMax single-source; material rewards cross-check against PowerPyx’s material location lists.
| Unlocks | Encounter | Reward |
|---|---|---|
| At system unlock | Pale Lights in a Night Sky | Charm of Zeal |
| At system unlock | Clear Space, Clear Mind | Sadist’s Strength Charm |
| Bloodbath on the Bridge | The Growling Ghost | Charm of Stamina |
| Bloodbath on the Bridge | Ace Archer: Kiyomizu-dera Temple | Tamahagane (PowerPyx materials list) |
| Bloodbath on the Bridge | Ace Archer: Nijo-jo Castle | Fine Silk Cloth (PowerPyx materials list) |
| A Tempest at the Temple | Ace Archer: Kyoto Imperial Palace | Tamahagane (PowerPyx materials list) |
| A Tempest at the Temple | Hidden Treasure No. 1 | Fine Silk Cloth (PowerPyx materials list) |
| A Tempest at the Temple | An Ugly Business | Reaper’s Charm |
| A Tempest at the Temple | Noisy Neighbors | Charm of Dexterity |
| To Live is to Suffer | Hidden Treasure No. 2 | Fine Silk Cloth (PowerPyx materials list) |
| To Live is to Suffer | Hidden Treasure No. 3 | Fine Silk Cloth (PowerPyx materials list) |
| Okuni’s Kabuki Dance | The Odd Couples | Charm of Enticement |
| The Demon on the Mount | A Fishy Story | Charm of Awakening |
| The Demon on the Mount | Ace Archer: Mount Oe | Tamahagane (Gaming ProMax single-source — PowerPyx’s material list puts Mount Oe’s only Tamahagane in a fixed chest instead) |
| The Demon on the Mount | Hidden Treasure No. 4 | Upgrade materials — yields both a Tamahagane and a Fine Silk Cloth |
| The Demon on the Mount | Hidden Treasure No. 5 | Fine Silk Cloth (PowerPyx materials list) |
| The Demon on the Mount | Ace Archer: Arashiyama | Tamahagane (PowerPyx materials list) |
| In the Light of an Icy Moon | Restless Spirits | Charm of Oni Power |
The five Hidden Treasure encounters work differently from the rest: the marker is approximate, and you “use your Oni Eyes (Oni Vision) in the right spot to uncover the treasure itself” (Gaming ProMax) — the encounter must be active before the chest appears. The upgrade materials page lists which numbered treasure holds which material.
What does side content pay out?
- Twelve charms itemized. Four Mystery charms plus eight Chance Encounter charms, per Gaming ProMax — and the charms guide’s source additionally maps two more Mystery charms (#3 and #4), which would bring side content’s share to fourteen of the 15 tracked by the Charmed Life trophy.
- Upgrade materials. Eleven confirmed drops: three Tamahagane and one Fine Silk Cloth from Ace Archer encounters plus the five Hidden Treasure cloths (all per PowerPyx’s material list), Hidden Treasure #4’s extra Tamahagane, and Gaming ProMax’s single-source Mount Oe Tamahagane — feeding the gear-maxing math on the upgrade materials page.
- Lore. Mysteries are tracked as Observations in the Curious Cases menu; Lion Dog rescues add Legends there and unlock sword skins — see the Lion Dog locations page.
What about the citizen rescues?
Separately from both systems, citizens are “randomly attacked all over Kyoto” by Genma (PowerPyx). Rescue 30 of them for the Citizen Savior trophy — and note the fine print: “If you do not speak to the citizen it will not count toward this trophy”. Rescues award “a small reward” (IGN), type unspecified.
Can you miss any of it?
No — with one asterisk. Free roam runs all the way to the final mission The Clash At Rendaino, which warns you before the point of no return; after the credits, the Continue menu drops you back just before it with everything still reachable. The asterisk is New Game+: both Mysteries of Kyoto and Chance Encounters reset, so the second playthrough re-runs all 26 entries. The cleanup math lives in the New Game+ guide.
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