The undead faction had very few directly offensive spells. Aside from converting the dead into undead armies for battle, most of its offensive methods were related to wraiths and vengeful ghosts.
Looked at from another angle, could these wraiths and vengeful ghosts not also be considered another form of army?
The only difference was that this army could usually be stored directly inside your equipment and carried on your person. Thinking about it that way, it actually seemed even better.
Of course, judging by the situation at present, their combat power still could not compare with a proper undead army.
The "Vengeful Spirit Bone Staff" that Zhou Xu had previously commissioned had an effect that could convert the souls collected within it into "wraiths."
The Soul Binding Rope went a step further. It could convert "wraiths" into the even more advanced "vengeful ghosts."
There were two methods for converting wraiths into vengeful ghosts. The first was to rely on the equipment's effect to convert them naturally.
Once the souls had been collected into the Soul Binding Rope, there was basically no need to interfere. The equipment itself would nourish them with Undead Energy, allowing them to complete the conversion.
However, after that battle, the Soul Binding Rope had been almost completely drained of power. Since it had taken several years to slowly recover on its own, its conversion efficiency was not particularly high.
Under these circumstances, the other method was undoubtedly to manually inject Undead Energy and accelerate the conversion.
During this process, the quality of the souls would also affect both the conversion efficiency and the power of the converted entities.
Simply put, an ordinary soul definitely could not compare with the soul of a martial artist in the Hundred Refinements Realm.
Then again, if one had the soul