Long Chen had just vanished when two figures materialized. Both of them wore gray robes and masks, and their hair was already white with age. 

The two of them were Netherpassage experts. They held a gourd, but based on the bulging veins on their hands, it was extremely heavy. After bringing that gourd to the entrance to the Yin Yang World, they placed it there and made some hand seals. Then, the runes on the gourd lit up. A torrent of blood burst out of the gourd and struck the Sovereign seal.

The blood instantly transformed into blood mist upon contact with the Sovereign seal. That mist then slowly invaded the Sovereign seal.

After doing that, the two of them took the gourd and left. They didn’t say a word from the start to the end.

Long Chen slowly walked out from behind a boulder. Looking at the Sovereign seal, Long Chen could feel killing intent creep into his eyes.

That blood they had just poured out was composed of the essence blood from billions of different entities. Merging it into the...