ONIMUSHA

Combat Mechanics / Issen

Issen

A family of precisely timed finishing attacks that includes counter, chain, and posture-break variants.

Musashi striking a Genma with a precisely timed sword attack
Chain target radius
15 game units
Chain dash speed
30 game units/sec
Chain start delay
0.7 sec
Break Issen search radius
10 game units
Counter Issen soul generation
1.65x
Chain Issen soul generation
1.65x

Reference tables

6 tables

Issen family comparison

The three Issen routes use different openings. Values shown here are taken from their released combat parameters.

VariantTriggerReach or timingConfirmed reward
Counter IssenAttack immediately before an enemy hit landsEnemy-hit timing1.65x soul generation
Chain IssenAttack again after a successful Issen15 unit target search1.65x soul generation
Break IssenUse the dedicated finisher after breaking enemy posture10 unit searchDedicated posture-break finisher

Chain Issen timing

Timing is measured in frames before and after the hit frame.

DifficultyBeforeAfterBefore with Two CelestialsAfter with Two Celestials
Standard315318
Easy317320
Hard315318

Chain Issen movement and target growth

LevelMaximum targetsTarget searchDash speedStart delay
1215 units30 units/sec0.7 sec
2315 units30 units/sec0.7 sec
3415 units30 units/sec0.7 sec

Break Issen targeting envelope

StageHorizontal reachVertical reachRun triggerSelection slow frames
Initial acquisition20 units3 units2.8 unitsNo selection phase
Follow-up selection15 units3 units2.8 units180

Soul generation formulas

AttackFormulaMultiplier
Counter IssenBase generated souls x 1.651.65x
Chain IssenBase generated souls x 1.651.65x

Skill-tree coverage

Skills whose released effect belongs to this combat system.

SkillInputReleased effect
Issen: RangeRespond to Ranged Attacks with IssenPressing Light attack or Heavy attack just before an arrow or other ranged attack lands instantly closes the distance to an enemy, delivering an Issen attack. Requires the enemy to be within a certain range, and the path must be unobstructed.
Chain Issen: Chain Length 1Press Light attack or Heavy attack Right When an Issen LandsIncreases the number of Chain Issen attacks that can be performed in a row.
Break Issen ComboPress Light attack After a Break IssenWhen multiple exhausted enemies are present, pressing Light attack after striking one with a Break Issen enables successive Break Issens on other exhausted enemies.
IssenPress Light attack or Heavy attack Just Before Being HitA powerful attack that can be unleashed when determining the exact moment an enemy attack will land. Tricky to execute, but capable of inflicting serious damage.
Flashing Void: Break IssenPress Oni Armament Near Exhausted EnemyStriking an exhausted enemy with the Flashing Void performs a Break Issen, extracting more red souls than usual should the attack defeat the enemy.
Flashing Void: Break Issen ComboPress Oni Armament Near Multiple Exhausted EnemiesIf multiple exhausted foes are present, the Flashing Void will perform a Break Issen on all of them when used.
Chain IssenPress Light attack or Heavy attack Right When an Issen LandsPressing Light attack or Heavy attack just as an Issen attack lands performs successive Issen attacks on other nearby enemies.
Chain Issen: Chain Length 2Press Light attack or Heavy attack Right When an Issen LandsFurther increases the number of Chain Issen attacks that can be performed in a row.
Break Issen: Red Soul YieldPress Light attack Near Exhausted EnemyMore red souls will be extracted from foes defeated with Break Issens.
Issen Power 1Press Light attack or Heavy attack Just Before Being HitIncreases the power of Issen attacks.
Issen Power 2Press Light attack or Heavy attack Just Before Being HitFurther increases the power of Issen attacks.

Connected records

ReferenceIn-game system values and tutorialsCheckedSeptember 3, 2026Source policy
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