The blood-red tentacle moved as fast as lightning, even a shade faster than Xiao Yan's Flowing Shadow Lightning Flash. Before anyone could react, it pierced straight through the Heavenly Underworld Old Demon's body.
"How terrifying!"
Xiao Yan's expression changed drastically, and he roared, "Anyone still here, run!"
At the same time, his body turned into a streak of lightning and vanished, reappearing a thousand zhang away.
By the time he appeared a thousand zhang away, the Heavenly Underworld Old Demon's body had already begun to wither rapidly. The vast blood energy within him was being sucked dry!
"Everyone, run!"
Xiao Yan's face paled slightly as he let out a roar that reached everyone's ears.
Just as he had suspected, a terrifying Demon Saint lurked beneath the Heavenly Underworld Sect.
Most frightening of all, he sensed demonic qi within the tentacle's blood-red demonic qi that was far more powerful than that of an ordinary Demon Saint.
That meant the Demon Saint hidden beneath the Heavenly Underworld Sect was no ordinary Demon Saint, but an intermediate Dou Sheng-level Demon Saint, perhaps even one comparable to an advanced Dou Sheng.
Upon hearing Xiao Yan's words, the crowd that had been watching the spectacle immediately fled into the distance.
The helpers Xiao Yan had gathered were all outstanding talents. Before the battle, they had already been told that a Demon Saint might be hiding beneath the Heavenly Underworld Sect.
They all knew their own limits. They understood that even if a Demon Saint could do nothing to Old Ancestor Huoyun and the Little Pill Tower's grand elder, the shock waves of the battle alone could kill them.
With that thought in mind, they fled even faster.
Seeing this, Xiao Yan could not help breathing a sigh of relief. He exchanged a glance with Old