Since Wu Yu was already in the Xuan Sword Domain's Immortal Treasures Hall, Ming Long's advice was enough to convince Wu Yu to take a look. There was no harm in doing so anyway.

"Supreme immortal treasures far exceed spiritual immortal treasures in terms of spirit designs and materials. Only precious treasures of at least four spiritual marks and above are able to serve as the vessel for these supreme immortal treasures."

It could be said that as long as a Violet Kingdom of the Inner Sea cultivator wielded a supreme immortal treasure, they would be able to roam the entire universe unchallenged.

In practice, there were not that many supreme immortal treasures in the Xuan Sword Domain. This was because no Xuan sword rank disciple was skilled enough to control a supreme immortal treasure.

The supreme immortal treasures displayed here were mainly used to defend the hall. At the same time, they served to motivate the Xuan sword rank disciples to strive for the Violet Kingdom of the Inner Sea Realm. 

These supreme immortal treasures were displayed in the most prominent location of the Immortal Treasures Hall. They were placed right at the entrance.

As Wu Yu was about the leave the Immortal Treasures Hall, he just happened to pass by this area.

There were about 100 or so supreme immortal treasures displayed...