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How to Unlock Skills and Upgrades - Onimusha Way of the Sword

AmosLast Updated: September 15, 2026 at 6:42 AM
Table of Contents

All Skills and Upgrades

This page details all the skills and upgrades in Onimusha: Way of the Sword, as well as their costs. Use this guide to quickly look up how much they cost, as well as future upgrades!

How to Unlock Skills and Upgrades

Skills and Upgrades become available as you progress through the story, obtain Oni Armaments, and complete Oni Portals. They can be purchased at a Spirit Mirror using Red Souls, Power Stones, or Oni Stones.

The Basic Skills tree becomes available during The Oni's Apprentice at a Spirit Mirror. Additional upgrades become available as you complete the Oni Portals.

Skills are arranged into connected branches, with some upgrades requiring previous skills in the same branch. You can unlock skills from multiple branches as you progress.

Special Skills are unlocked as you progress through the story. Oni Vision, Oni Strength, Oni Agility, and Oni Awakening each have their own story requirements.

Oni Armament upgrades become available after obtaining their corresponding Oni Armament, with additional upgrades unlocked as you progress through the Oni Portals.

Our advised skills and upgrades for a first playthrough can be found here.

Basic Skills

Soul

SkillEffectCostUnlock Requirement
Absorb Souls While AttackingAllows Musashi to absorb souls while attacking.2 Power Stones1st Oni Portal
Break Issen: Red Soul YieldIncreases the Red Souls gained from Break Issen.5,500 Red Souls2nd Oni Portal
Soul Absorption Bonus BoostIncreases the bonus from absorbing souls.3 Power Stones3rd Oni Portal

Chain Issen

SkillEffectCostUnlock Requirement
Chain IssenAllows Musashi to chain multiple Issen attacks together.2 Power StonesThe Oni's Apprentice
Chain Issen: Chain Length 1Increases the maximum number of chained Issen attacks.3 Power Stones2nd Oni Portal
Chain Issen: Chain Length 2Further increases the maximum number of chained Issen attacks.3 Power Stones3rd Oni Portal

Reflex Combo

SkillEffectCostUnlock Requirement
Reflex ComboAllows Musashi to counterattack after successfully dodging an attack.2 Power StonesThe Oni's Apprentice
Reflex Combo Power 1Increases Reflex Combo power.4,500 Red Souls1st Oni Portal
Reflex Combo Power 2Further increases Reflex Combo power.6,500 Red Souls3rd Oni Portal
Ultimate Reflex ComboFurther improves Reflex Combo.3 Power Stones2nd Oni Portal

Break Issen Combo

SkillEffectCostUnlock Requirement
Break Issen ComboAllows Musashi to follow up a Break Issen with additional attacks.Story UnlockThe Ruckus at Rendaino
DeflectAllows Musashi to deflect enemy attacks.2 Power StonesThe Oni's Apprentice
Deflection Power 1Increases Deflection power.4,500 Red Souls1st Oni Portal
Deflection Power 2Further increases Deflection power.6,500 Red Souls3rd Oni Portal
Deadly DeflectionImproves the effect of successful Deflections.3 Power Stones2nd Oni Portal

Issen

SkillEffectCostUnlock Requirement
IssenAllows Musashi to perform an Issen by responding to an enemy attack at the right moment.Story UnlockThe Ruckus at Rendaino
Issen Power 1Increases Issen power.4,500 Red Souls1st Oni Portal
Issen Power 2Further increases Issen power.6,500 Red Souls3rd Oni Portal

Reflex Combo

SkillEffectCostUnlock Requirement
Reflex ComboAllows Musashi to counterattack after successfully dodging an attack.2 Power StonesThe Oni's Apprentice
Reflex Combo Power 1Increases Reflex Combo power.4,500 Red Souls1st Oni Portal
Reflex Combo Power 2Further increases Reflex Combo power.6,500 Red Souls3rd Oni Portal
Ultimate Reflex ComboFurther improves Reflex Combo.3 Power Stones2nd Oni Portal

Soul Boost

SkillEffectCostUnlock Requirement
Blazing StateAllows Musashi to enter Blazing State by filling the gauge through combat.2 Power StonesThe Oni's Apprentice
Blazing State: DurationIncreases the duration of Blazing State.3 Power Stones3rd Oni Portal
Blazing State: RangeIncreases the range of Blazing State.3 Power Stones2nd Oni Portal

Sneak Attack

SkillEffectCostUnlock Requirement
AssassinationAllows Musashi to perform assassination attacks from stealth.Story UnlockThe Ruckus at Rendaino
StealthAllows Musashi to move stealthily and perform Assassinations.3,500 Red SoulsThe Oni's Apprentice
Stealth: Assassination BoostIncreases the effectiveness of Assassination attacks.4,500 Red Souls1st Oni Portal
Stealth While RunningAllows Musashi to run while remaining in stealth.5,500 Red Souls2nd Oni Portal
PetrifyAllows Assassination to petrify enemies.2 Power Stones1st Oni Portal
Petrify: Number of TargetsIncreases the number of enemies that can be petrified.3 Power Stones2nd Oni Portal
Petrify Stronger EnemiesAllows Petrify to affect stronger enemies.3 Power Stones3rd Oni Portal

Item

SkillEffectCostUnlock Requirement
Items: Number FoundIncreases the number of items found.5,500 Red Souls2nd Oni Portal
Items: Effect DurationIncreases the duration of item effects.5,500 Red Souls2nd Oni Portal
Items: Quick UseMakes items quicker to use.3 Power Stones3rd Oni Portal

Bow

SkillEffectCostUnlock Requirement
Oni BowUnlocks the Oni Bow.Story UnlockThe Stage is Set at Kiyomizu
Oni Bow: Ultimate Charged AttackUnlocks the Oni Bow's Ultimate Charged Attack.2 Power Stones1st Oni Portal
Oni Bow: Arrow DurationIncreases arrow duration.3 Power Stones3rd Oni Portal
Oni Bow: Charge TimeReduces charge time.5,500 Red Souls2nd Oni Portal
Oni Bow Power 1Increases Oni Bow power.3,500 Red SoulsThe Oni's Apprentice
Oni Bow Power 2Further increases Oni Bow power.6,500 Red Souls3rd Oni Portal

Charms

SkillEffectCostUnlock Requirement
Charm Capacity 1Allows Musashi to equip 2 Charms.2 Power Stones1st Oni Portal
Charm Capacity 2Allows Musashi to equip 3 Charms.3 Power Stones3rd Oni Portal
Flat-Out SprintIncreases sprint speed after running for a duration in Eastern Kyoto.2 Power Stones1st Oni Portal

Soul Absorption

SkillEffectCostUnlock Requirement
Soul Absorption: Yield 1Increases the amount gained from Soul Absorption.5,500 Red Souls2nd Oni Portal
Soul Absorption: Yield 2Further increases the amount gained from Soul Absorption.6,500 Red Souls3rd Oni Portal

Environmental Objects

SkillEffectCostUnlock Requirement
Environmental Object Power 1Increases the power of attacks using environmental objects.4,500 Red Souls1st Oni Portal
Environmental Object Power 2Further increases the power of attacks using environmental objects.6,500 Red Souls3rd Oni Portal

Special Skills

Oni Eye

SkillEffectCostUnlock Requirement
Oni VisionReveals hidden objects.Story UnlockThe Stage is Set at Kiyomizu
Oni Vision: DestructiblesMakes breakable enemy body parts and environmental objects easier to spot.3,500 Red SoulsOni Vision
Oni Vision: TreasuresMakes hidden treasures and Hozuki visible nearby.2 Oni StonesOni Vision
Oni Vision: Treasures 2Automatically reveals nearby treasures and Hozuki outside of combat.2 Oni Stones1st Oni Portal
Oni Vision: Search RangeIncreases the range of Oni Vision.5,500 Red Souls2nd Oni Portal

Oni Arm

SkillEffectCostUnlock Requirement
Oni Strength: DestroyAllows Musashi to break enemy guards and armor more effectively with two-handed strikes.Story UnlockDefeat Rasho-gan
Oni Strength: SliceAllows charged one-handed attacks to extract Blue Souls.3 Oni Stones2nd Oni Portal
Oni Strength: ChopAllows charged two-handed attacks to extract Blue Souls.3 Oni Stones2nd Oni Portal
Oni Strength: Destruction SpeedIncreases the speed of Malice Barrier destruction.2 Oni Stones1st Oni Portal
Handle Even Bigger ObjectsAllows Musashi to pick up and swing larger corruption pillars.4,500 Red Souls1st Oni Portal
Oni Strength: Slice - Charge TimeReduces the charge time of Oni Strength: Slice.6,500 Red Souls3rd Oni Portal
Oni Strength: Chop - Charge TimeReduces the charge time of Oni Strength: Chop.6,500 Red Souls3rd Oni Portal
Handle Bigger ObjectsAllows Musashi to hurl powder kegs, oil pots, and other heavy objects.3,500 Red SoulsOni Strength: Destroy

Oni Leg

SkillEffectCostUnlock Requirement
Oni Agility: Wall RunAllows Musashi to run along walls.Story UnlockThe Roots of All Evil
Issen: RangeAllows Musashi to respond to ranged attacks with Issen.2 Oni Stones1st Oni Portal
Reflex Combo: RangeAllows Musashi to respond to ranged attacks with Reflex Combos.3 Oni Stones3rd Oni Portal
Oni Agility: Fall RecoveryAllows Musashi to recover when sent flying.3 Oni Stones2nd Oni Portal

Oni All

SkillEffectCostUnlock Requirement
Oni AwakeningUnlocks Oni Awakening when the purple soul gauge is filled.Story UnlockThe Demon on the Mount
Oni Awakening: DurationIncreases the duration of Oni Awakening.3 Oni Stones3rd Oni Portal
Onimusha Onslaught: PowerIncreases the power of Onimusha Onslaught.8,500 Red Souls3rd Oni Portal

Oni Armaments

The Two Celestials

SkillEffectCostUnlock Requirement
The Two CelestialsUnleashes a flurry of attacks and generates Yellow Souls.Story UnlockObtain The Two Celestials
Combo StrengthIncreases Combo Strength.2 Oni StonesObtain The Two Celestials
Combo Strength+Further increases Combo Strength.3 Oni Stones2nd Oni Portal
PowerIncreases power.4,500 Red Souls1st Oni Portal

Wind-Whipper

SkillEffectCostUnlock Requirement
Wind-WhipperCreates a wide-area whirlwind.Story UnlockObtain Wind-Whipper
Power/DurationIncreases power and duration.2 Oni Stones1st Oni Portal
RangeIncreases range.3 Oni Stones3rd Oni Portal
PowerFurther increases power.5,500 Red Souls2nd Oni Portal

Earth-Shakers

SkillEffectCostUnlock Requirement
Earth-ShakersCreates powerful attacks that can damage stamina, shields, and armor.Story UnlockObtain Earth-Shakers
Charge LevelIncreases the charge level.2 Oni Stones1st Oni Portal
Charge TimeReduces charge time.3 Oni Stones3rd Oni Portal
PowerIncreases power.5,500 Red Souls2nd Oni Portal

Firebird Flute

SkillEffectCostUnlock Requirement
Firebird FluteSummons flaming birds that can burn and stagger enemies.Story UnlockObtain Firebird Flute
Charged ShotUnlocks a charged shot.3 Oni StonesObtain Firebird Flute
ProjectilesIncreases the number of projectiles.3 Oni Stones3rd Oni Portal
PowerIncreases power.5,500 Red SoulsObtain Firebird Flute

The Flashing Void

SkillEffectCostUnlock Requirement
The Flashing VoidDeals heavy damage and extracts Red Souls.Story UnlockObtain The Flashing Void
Break IssenAdds a Break Issen effect.3 Oni Stones3rd Oni Portal
Break Issen ComboAdds a Break Issen Combo effect.3 Oni Stones3rd Oni Portal
PowerIncreases power.6,500 Red Souls3rd Oni Portal

Still Water

SkillEffectCostUnlock Requirement
Still WaterIncreases power and size, with its Golden Wave Gauge charged through attacks, parries, and deflections.Story UnlockObtain Still Water
Golden Wave GaugeImproves the Golden Wave Gauge.3 Oni StonesObtain Still Water
DurationIncreases duration.3 Oni StonesObtain Still Water
Golden Wave PowerIncreases Golden Wave power.6,500 Red SoulsObtain Still Water

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