GameTrek Logo

Best Skills and Upgrades - Onimusha Way of the Sword

AmosLast Updated: September 15, 2026 at 8:37 AM
Table of Contents

Onimusha: Way of the Sword Best Skills and Upgrade Priority

The skill tree in Onimusha: Way of the Sword lets you spend Red Souls, Power Stones, and Oni Stones to unlock new abilities and upgrade existing ones. While you can eventually unlock every skill and upgrade, completing the entire skill tree requires multiple playthroughs. Prioritizing certain skills can therefore help you get the most useful abilities and upgrades during your first playthroughs.

Check our guide here if you want the full list of skills and upgrades.

Best Skills to Get First

SkillEffectCost
DeflectAllows you to deflect enemy attacks and opens up more defensive options.2 Power Stones
Blazing StateAllows Musashi to enter Blazing State by absorbing enough souls.2 Power Stones
Chain IssenAllows you to chain multiple Issen attacks together.2 Power Stones
Charm Capacity 1Increases the number of Charms you can equip to 2.2 Power Stones
Oni Vision: TreasuresMakes hidden treasures and Hozuki easier to find with Oni Vision.2 Oni Stones
Oni Strength: SliceAllows charged one-handed attacks to extract Blue Souls.3 Oni Stones
Oni Strength: ChopAllows charged two-handed attacks to extract Blue Souls.3 Oni Stones

Combat Upgrades

SkillEffectCost
Issen Power 1Increases Issen power.4,500 Red Souls
Issen Power 2Further increases Issen power.6,500 Red Souls
Deflection Power 1Increases the power of Deflections.4,500 Red Souls
Deadly DeflectionImproves the effect of successful Deflections.3 Power Stones
Reflex ComboAllows a counterattack after successfully dodging an attack.2 Power Stones
Ultimate Reflex ComboFurther improves Reflex Combo.3 Power Stones

Exploration and Utility Upgrades

SkillEffectCost
Oni Vision: DestructiblesMakes breakable enemy body parts and environmental objects easier to spot.3,500 Red Souls
Oni Vision: Treasures 2Automatically reveals nearby treasures and Hozuki outside of combat.2 Oni Stones
Oni Vision: Search RangeIncreases the range of Oni Vision.5,500 Red Souls
Charm Capacity 2Increases the number of Charms you can equip to 3.3 Power Stones
Items: Quick UseMakes items quicker to use during combat.3 Power Stones

Recommended Upgrade Order

OrderSkillReason
1DeflectGives Musashi another way to defend against enemy attacks and opens the Deflect upgrade branch.
2Blazing StateUnlocks a powerful combat state that can help turn difficult encounters in your favor.
3Chain IssenAllows multiple Issen attacks to be chained together, giving you more opportunities to deal heavy damage.
4Charm Capacity 1Gives you another Charm slot, allowing you to benefit from an additional passive effect.
5Issen Power 1Increases the power of Issen and is the first major upgrade on the Chain Issen branch.
6Oni Vision: TreasuresMakes hidden treasures and Hozuki easier to find while exploring.
7Deflection Power 1Improves Deflection and leads to Deadly Deflection further down the branch.
8Deadly DeflectionFurther improves the benefits of successfully Deflecting attacks.
9Charm Capacity 2Gives you a third Charm slot for another passive bonus.
10Issen Power 2Further increases the power of Issen after progressing through the Chain Issen branch.

Related Guides

Helpful Guides

Helpful Guides

Guides by Category