The blood in the pool kept bubbling, like water at a rolling boil, and a nauseating stench of blood hung above it.
Beside the blood pool, figures lay prone all around its edge. They had been secured in place and could not move at all.
The Envoy saw that a cut had been made in each of their necks. Blood spurted from the vessels in their necks into little channels beside them, then all flowed toward the blood pool in the center.
As the blood passed through those little channels, he could seemingly make out faint flashes of light within them.
A formation? The Envoy was startled.
Only then did he come to his senses. There should be a formation laid beneath this blood pool, and not just beneath the pool; clearly, wondrous formations had been laid in those little channels as well.
The channels were clearly arranged according to some wondrous formation, ultimately joining with the central blood pool to form a complete Grand Formation. A Grand Formation like this must have cost immeasurable painstaking effort.
He was, after all, a Void Martial Realm expert. Even if he was not particularly versed in formations, he could still tell whether a formation was wondrous.
With these formations in place, this was no longer simply killing people to collect their blood.
Otherwise, merely killing people for their blood would never require so much trouble.
Could the Sect Master be cultivating some unrivaled Demonic Art? the Envoy wondered secretly.
In the Jianghu, using the blood of living people as a catalyst for cultivation methods was not uncommon. Such methods generally belonged to the evil and demonic sort.
The crudest used blood directly. Slightly better methods used processed blood, perhaps supplemented with pills and the like.
The very finest naturally refined the blood