ONIMUSHA

Enemies and Bosses / Boss

Yoshioka Seijuro Boss

The swordsman Musashi defeats during the opening mission, The Way of the Sword. He has 1,500 health and 1,000 posture.

Yoshioka Seijuro: render of the original game model
Original game model rendered in neutral lighting.
Health
1,500
Maximum posture
1,000
Parry target speed
0.5x

Reference tables

3 tables

Moves and counters

Attack patterns and practical responses for recognizing the enemy's punish windows.

MovePatternCounter
One-handed cutOpens with a direct one-handed sword strike.Meet the single cut with a timed guard or step beyond its reach.
Two-handed cutCommits both hands to a heavier sword attack.Wait for the full downward motion, then punish the longer recovery.
Advancing attackScales his movement forward before attacking.Move off the center line instead of retreating straight back.
Dash-end guardFinishes a dash ready to defend.Do not swing into the guard; reset and answer his next commitment.
Dash-end hitConverts the end of a dash into an immediate strike.Track the dash and delay the counter until the finishing hit passes.

Where to fight

Missions whose objectives explicitly name this fight. Step numbers refer to each mission's checklist.

MissionStepFight objectivePrevious objective
The Ruckus at Rendaino5Defeat Yoshioka SeijuroFollow Takamura

Difficulty scaling range

Minimum and maximum multipliers across story checkpoints. Effective values apply those multipliers to this enemy's base health and posture.

DifficultyHealth multiplierEffective healthPosture multiplierEffective postureAttack multiplier
Easy0.63-1.69x945-2,5350.55-1.49x550-1,4900.59-1.43x
Standard0.72-1.9x1,080-2,8500.72-1.9x720-1,9000.72-1.9x
Hard1.44-3.2x2,160-4,8001.44-3.2x1,440-3,2001.44-3.7x

Connected records

Associated area

Region

Combat system

Character profile

Fight objective

Referenced in

ReferenceIn-game Genma Note, combat values, and mission recordsCheckedSeptember 3, 2026Source policy
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