The Great Symbol Sword Technique and the Dragon Tiger Hell Method

The ancestral portrait of Liu Yin, though only showing the figure's back, was nearly identical to the attire and bearing of the Taoist priest before me.

But how could this be possible! Liu Yin, the founding ancestor of the Barbarian Ghost Sect, had died thousands of years ago. How could he suddenly appear in such a sinister place?

"You are quite perceptive to recognize me at a glance. However, I am not Liu Yin in person, merely a wisp of divine sense that he left behind before he perished," said the middle-aged Daoist with a hint of surprise on his face, followed by a smile.

"I see, so referring to the senior before me as Liu Yin is not incorrect. But may I ask where this place is? Could it be inside the Shadow Retention Wall?" Liu Ming asked with a mix of realization and caution.