In that secret realm, teeming with deathly qi, there was more than one jade wall. There were two others. One held a secret art called "Hundred Ghosts Night Parade," a Phenomenal Domain somewhat like the one Ling Tian had mastered before, only far more powerful.
The other was "Death Qi Shield," which condensed the Law Power of deathly qi into an energy shield in a peculiar way. It bore some resemblance to the Buddhist Golden Bell Shield.
Since everyone had cultivated the Buddhist Golden Bell Shield, whose defensive power was even greater, there was no need for them to learn "Death Qi Shield" as well. As for "Hundred Ghosts Night Parade," that secret art relied on the vengeful ghosts and You Hun inside Corpse Cores, so the others couldn't cultivate it either.
After learning about the other two secret arts, Ling Tian went to take a look. The moment he saw "Death Qi Shield," he gave up on cultivating it. After all, he had already achieved considerable mastery of the Buddhist Golden Bell Shield, and the latter secret art had the stronger defenses.
Ling Tian was quite interested in the enhanced version of "Hundred Ghosts Night Parade," but Po Qiong said that if he comprehended "Corpse Dao Legacy Sound" and "Refining Corpse Ghosts," he could no longer learn it. There were only nine corpse ghosts, while Hundred Ghosts Night Parade required hundreds or even thousands of vengeful ghosts and You Hun. The two arts were incompatible.
For Ling Tian, the choice was a foregone conclusion. As long as it let him teleport over long distances, he would choose to cultivate "Refining Corpse Ghosts."
After looking over the two secret arts, Ling Tian returned to the first jade wall, ready to comprehend them.
Before he began, Po Qiong offered him a