C662 Find out the Cause of Immortal Venerable Everlasting's Death

Investigate the cause of Boundless Immortal Sovereign's death.

After the battle ended, the rain of blood didn't stop immediately. Two Immortal Venerables had died. It rained for five days and five nights, calling it a rain of blood. Actually, it was similar to blood. It was sticky and had a nauseating smell of blood