Inuyasha is attacted by a corrupted human wielding a mysterious sword known as "Dakki." If our hero loses this battle, he will lose his mighty sword Tetsusaiga as well! Then, the corpse of the turtle demon Meioju is revived by a piece of Moryomaru's flesh. Meioju's shell is said to be the toughest of any armored demon ... Even with the aid of Sesshomaru, does Inuyasha stand a chance of penetrating Meioju's armor?! Finally, a battle with a treacherous tree demon leaves our friends ... puzzled. What devious plan is Naraku concocting now?

Original Japanese edition published by Shogakukan. Book reads in right-to-left format. Collects volumes 40-42 of the graphic novel series.

v. 40. One soul -- v. 41. The invincible Blade -- v. 42. Meido Zangetsuha.