The technique was not based on the Black Serpent Map, but another Vortex Diagram.
The principle behind it was to cause death energy to rotate at high speed, the faster the better, and at the peak of its velocity, to suddenly reverse its direction.
The severe conflict caused by the two opposing forces would create a great deal of chaos, effectively shattering the death energy imprints within.
Then Li Chengyi would absorb this now-purified death energy into his own body.
This was the Vortex Technique.
As Li Chengyi concentrated on absorbing death energy, time trickled by.
Every twenty minutes, he would enhance his Flower Language Technique.
Li Chengyi and the Skeleton Mage sat opposite each other like true scholars, diligently studying death energy.
Whenever Li Chengyi gained a new insight, he would quickly flip through his books to verify it.
His control over and understanding of death energy also skyrocketed during such interactive research.
Finally.
