C506 Soul sealing flag

That black metal piece was extremely strange. Not only could it release the souls of Grave Clan clansmen, it could also devour Yin Spirits while sacrificing blood for the sarcophagus.

That black swirl had a powerful pulling force. In a blink of an eye, tens of thousands of Yin Spirits were sucked into it and disappeared.

However, when the nether beast took a step forward