C1021 Ferocious black praying mat

The black altar was initially illuminated by Xiao Yue's endless white light, allowing it to clearly pinpoint the location of the Black Altar. But now, Ye Tian and the Demon Prince had easily found the location of the Black Altar.

The Black Altar was about three hundred meters tall and its surface was engraved with countless sinister patterns. Some of the sinister patterns had black blood on them