All 16 Bosses — Onimusha: Way of the Sword Complete Guide by Chapter
Every boss in Onimusha: Way of the Sword, ordered by chapter progression (1-22). Each entry includes difficulty rating, attack pattern summary, recommended level, and links to the full strategy guide with parry timings, Issen opportunities, and reward unlocks.
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Chapter 1-5: Early Game Bosses
Tutorial and early story bosses. Generous parry windows teach the core combat loop. Recommended Level: 1-15.
Marcellus
EasyChapter 1 Tutorial Boss
5 attack patterns with generous 8-frame parry windows. Teaches the core parry-issen loop. Reward: Marcellus's Charm.
Fortinbras
MediumChapter 2 Boss
Heavy armored knight. Punishes panic rolls; rewards patience. Phase 2 introduces Issen window.
Benkei
EasyChapter 3 Boss
Large club swings with predictable wind-ups. Wide parry windows. Teaches positioning around large hitboxes.
Dohatsu-ten
MediumChapter 5 Boss
Fast multi-hit combos. Tests chain-parry timing. Sub-boss route unlocks early charm.
Chapter 6-10: Mid Game Bosses
Mid-game bosses introduce Genma variants and faster combo chains. Recommended Level: 16-30.
Burai
EasyChapter 6 Boss
Wild dual-wield attacks. Wide openings between flurries. Good Issen practice target.
Rasho-gan
MediumChapter 7 Boss
First "true" medium boss. Mix of fast & slow attacks. Tests patience vs greed.
Sasaki Ganryu
MediumChapter 9 Boss
Katana duel. Mirrors player combos. Long parry duels. Reward: Ganryu's katana.
Byakue
HardChapter 10 Boss
White tiger beast. Mix of charge attacks and AoE. Punishes panic rolls heavily.
Chapter 11-15: Late Game Bosses
Late-game bosses with multi-phase mechanics. Recommended Level: 31-50.
Yoshitsune
MediumChapter 12 Boss
Dual-blade warrior. Phase 2 adds lightning combos. Reward: Yoshitsune's blades.
Shuten-doji
HardChapter 13 Boss
Oni lord with massive damage. Poison status + AoE. One of the toughest mid-late fights.
Nue
MediumChapter 14 Boss
Bird-beast hybrid. Aerial charges + ground slams. Punishes stationary play.
Genma Archer
MediumChapter 15 Boss
Ranged enemy boss. Must close distance quickly. Reward: rare ranged soul.
Chapter 16-22: Endgame Bosses
Endgame bosses require fully upgraded weapons and NG+ preparation. Recommended Level: 50+.
Genma Brute
HardChapter 16 Boss
Tanky Genma variant. High HP, slow attacks. Tests stamina management.
Dokyo
HardChapter 18 Boss
Sorcerer boss. Mix of melee + projectile magic. Tight parry windows on magical attacks.
Ifuu
HardChapter 20 Boss
Wind-user boss. Constant pressure, AoE waves. Punishes passive play heavily.
Daidara
HardChapter 22 Final Boss
Story final boss. Three-phase fight. Tests everything learned. Reward: Genma Onimusha unlock.
Related Boss Guides
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