The Immortal Slaying Sword brings sharpness, the Immortal Slaughtering Sword brings death; wherever the Immortal Entrapping Sword goes, red light rises.
The Immortal Severing Sword holds endless transformations; even Grand Unity immortals will have their robes stained with blood.
Each of the Four Immortal Slaying Swords forged by Luohu had been infused with a different Origin of the Great Dao.
The Immortal Slaying Sword contained the origin of the Gold Dao. Gold governed slaughter, hardness, severity, and sharpness.
The Immortal Slaughtering Sword contained the origin of the Slaughter Great Dao, while the Immortal Entrapping Sword contained the origin of the Destruction Great Dao.
Clearly, these three swords were focused on killing.
As for the Immortal Severing Sword, it governed the profound mysteries of endless transformation. Its primary purpose was not killing, but defense—or rather, it was more inclined toward support.
It was used to link the other three killing swords.
Moreover, it served as the connection core between the Immortal Slaying Formation Diagram and the three killing swords, as well as the most crucial formation eye of the Immortal Slaying Sword Formation.
Although all Four Immortal Slaying Swords served as formation eyes of the Immortal Slaying Sword Formation, the formation eye that linked and drove the entire sword formation was the Immortal Severing Sword.
This showed that although the Immortal Severing Sword did not focus on killing, its supporting role was of utmost importance.
Of course, because of the Immortal Severing Sword's importance, it also became a vulnerable point of the Immortal Slaying Sword Formation—a weakness, a flaw.
But Luohu had no other choice. The Four Immortal Slaying Swords had ultimately been forged after the fact by him, and they had to be forcibly integrated with the Immortal Slaying Formation Diagram.
If the Four Immortal Slaying Swords and the Immortal