As a Five Star Executor of the Dark Domain, Liu Ziru naturally had access to far more information.
The Portrait Of Emptiness is one of the Ancestral Artifacts from ancient times.
It played a critical role during the battles against the Nefarious Demon Region.
The reason is that one of the Portrait Of Emptiness's powers is its immense spatial power and ability to manipulate time.
It can suck a living person inside, and a single day within the Portrait Of Emptiness equals a year in the outside world!
Back in the ancient times, the Human Ancestors not only used the Portrait Of Emptiness to nurture Heavenly Pride, but injured cultivators could also be placed inside it to heal.
This was one very important reason.
The second reason is that the Portrait Of Emptiness can set up formations—if it pulls an enemy within, it can activate an array to attack them.
