The confirmation that this was a Demonic Tribe Graveyard, matched their original thoughts when they had first entered the Inheritance grounds. The shrines on the islands outside had the same inclinations and they were finally seeing these graves themselves.
"So all this Death Qi is ultimately due to these graves." Lin Mu spoke.
"Indeed… Though normally this should not have happened." Ziran replied.
"Yeah, the function of an offering hall is to placate the souls of the dead and also the disperse any negative energies that may arise due to that." Crown Prince Feng Shun knew about this, since Offering Halls were a common thing for a lot of cultures.
"But that is clearly not being done." Crown Princess Shang said.
"What could have led to this then?" Lin Mu wondered.