Heavy Demon Source World.
There was a mountain range stretching for tens of thousands of miles, thick with demonic qi.
Within the range, peaks thousands of zhang high rose one after another, piercing straight into the clouds.
Every peak was dotted with countless cave abodes, densely packed like ant nests.
Between two of those peaks lay a vast valley.
A great number of heavenly treasures grew within the valley—multicolored flowers and black fruit trees.
Yet beneath the roots of every heavenly treasure lay a person, a human.
Every heavenly treasure had grown from these humans' chests, drawing nourishment from them.
In other words, these humans were fertilizer, used to nourish the growth of those heavenly treasures.
The valley was packed densely with over a thousand humans lying within it. Their eyes were shut, and they had no breath.
Yet their life auras could still be detected. They were all still alive.
When Su Mo and Si Kongyan saw this through their divine senses, their entire bodies trembled with rage.
These people were all core members of the Peerless Divine Gate, such as Su Xiao Mo, Su Ling'er, Mu Li, the Yuan King, and others.
"Kill! Kill every last Devil Race member in the Heavy Demon Source World!"
Si Kongyan's fury instantly surged to the heavens.
The Devil Race was actually using humans as nourishment to cultivate heavenly treasures.
"Don't be hasty. There is a Sixth Yang expert in the Heavy Demon Source World. We are no match for them!"
Elder Ke immediately warned him.
When he had scanned the area with his divine sense earlier, he had discovered the aura of a Sixth Yang expert, though he had not dared to draw near.
Fortunately, that Sixth Yang expert was not in the direction where the humans were located.
"I'll deal