Ghost Daoist's real name was Luo Wenshan. He was an ascetic who lived in the mountains and was skilled in exorcism.
He would usually descend the mountain to treat illnesses and drive away evil spirits. Later, when the country was invaded, he led all his disciples down the mountain.
But in the end, they were only flesh and blood, unable to withstand artillery bombardment. Luo Wenshan and all his disciples died amid the merciless flames of war.
As Xiao Zhen examined Ghost Daoist's memories, he finally found the key point.
It turned out that the Imperial Seal had always been kept in the Taoist temple where Luo Wenshan lived. After Luo Wenshan, a cultivator of the Dao, died, his flesh, blood, and soul, all imbued with spiritual power, were absorbed by the seal. As a result, he became something similar to a Spirit Artifact.
Afterward, he watched helplessly as the island nation committed one atrocity after another and resolved to take revenge on the entire island nation.
Just as his soul was preparing to attack an island nation military unit, perhaps because of the Imperial Seal, he was unexpectedly sensed by the island nation's National Destiny.
The Imperial Seal had been disconnected from the country for too long, and the fortune within it was in decline. Meanwhile, the island nation's National Destiny was flourishing, something the current Imperial Seal simply could not contend with.
So Luo Wenshan used the Imperial Seal to gather all resentful souls, preparing to accumulate strength. Any soul that bore hatred toward the island nation after death would be pulled into a space within the Imperial Seal.
After decades of accumulation and eruption, the plan to destroy the island nation finally began.
Luo Wenshan also discovered something terrifying: the resentful souls under his command had become