At the end of the Ninja Gaiden 4 campaign, Yakumo acquires a fifth weapon, the Dark Dragon Blade, which allows him to fight the game's final boss on equal ground. Here's how to permanently unlock this powerful final weapon in less than 30 minutes.

NOTE: Method tested in the game's Steam 1.0.1.0 version after the completion of two different playtroughs, which the author played at Normal and Hard difficulty. Screenshots captured from the same version.

Table of contents

How to Unlock the Final Weapon, the Dark Dragon Blade

Unlocking the Dark Dragon Blade permanently requires some effort after completing the Ninja Gaiden 4 main campaign

The Dark Dragon Blade is the final weapon for Yakumo. It is permanently unlocked by completing the following steps:

Defeat the Dark Dragon in Chap

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