Onimusha: Way of the Sword Guide | How to Perform Issen

Here's a guide on how to preform issen in Onimusha: Way of the Sword.

Game Guide by Navid Kabbo on Sep 08, 2026

Issen is one of the most powerful combat techniques in Onimusha: Way of the Sword. The move allows Musashi to counter an enemy's attack with a perfectly timed strike, often dealing massive damage and creating a valuable opening.

This guide explains how to perform Issen in Onimusha: Way of the Sword, including the correct timing, how to practice it, and when to use it in combat.

Onimusha: Way of the Sword using Issen

What Is Issen in Onimusha: Way of the Sword?

Issen is a precision counterattack that requires you to attack at the exact moment an enemy's strike is about to connect. Unlike a normal parry, you aren't trying to block the incoming attack first. Instead, you commit to your own attack at the last possible moment.

A successful Issen triggers a powerful counter and can make short work of regular enemies. However, the timing window is narrow, so repeatedly pressing the attack button will usually result in a normal attack instead.

How to Perform Issen

To perform an Issen, watch an enemy's attack and press your Attack button just before the strike connects.

The most important part is the timing. Don't press Attack when the enemy begins its swing. Wait until the weapon is about to reach Musashi, then make your attack input.

The basic Issen timing is: enemy attacks → wait for the strike to approach → press Attack immediately before contact.

If your timing is correct, Musashi will perform the Issen instead of a standard attack.

Onimusha: Way of the Sword performing issen

How to Get the Issen Timing Right

The best way to learn Issen is to focus on the enemy's actual attack rather than trying to memorize a fixed timing.

Watch the weapon as it moves toward Musashi and learn the point immediately before the hit connects. Different enemies have different attack animations, so the timing can change depending on what you're fighting.

Avoid button mashing. A single deliberate attack input makes it much easier to understand whether you're pressing too early or too late.

How to Practice Issen

Start with a single regular enemy rather than trying to learn Issen during a crowded fight or boss encounter.

Keep your distance consistent and allow the enemy to repeat the same attack. Watch its weapon, identify the moment the strike is about to land, and press Attack.

If the attempt fails, don't immediately try again by pressing the button several times. Reset your position and watch the animation again. This makes it easier to recognize the timing and develop the reaction naturally.

Onimusha: Way of the Sword gameplay

Issen vs. Parry and Deflect

Issen, Parry, and Deflect all rely on precise timing, but they work differently.

Parry is primarily used to stop an incoming attack and create an opening. Deflect provides another defensive option for dealing with attacks that require a more precise response. Issen is the most aggressive option because you are committing to an attack rather than simply defending.

Issen also has a much tighter timing window than standard defensive techniques, making it more rewarding but also more difficult to perform consistently.

When Should You Use Issen?

Issen is most effective when you've learned an enemy's attack pattern. Regular enemies with predictable attacks are good targets for practicing the technique.

Avoid forcing Issen against unfamiliar attacks. If you're still learning an enemy's timing, using a parry, deflect, or dodge gives you a safer way to react.

Once you're comfortable recognizing attack animations, Issen can become one of the fastest ways to punish aggressive enemies.

Common Issen Mistakes

The most common mistake is attacking too early. Pressing Attack during the enemy's wind-up simply produces a normal strike.

Another mistake is waiting until the attack has already reached Musashi. By then, the Issen window has passed.

Finally, don't rely on button mashing. Issen rewards reading the enemy and making one precise input rather than repeatedly pressing Attack.

Final Thoughts

Issen is difficult to master at first, but learning the timing can dramatically improve your combat performance in Onimusha: Way of the Sword. Watch the enemy's weapon, wait until the strike is about to connect, and press Attack at the last moment.

Start with predictable regular enemies and practice one attack at a time. Once the timing becomes familiar, you can begin incorporating Issen into tougher encounters and boss fights.