At this, Wushe's expression grew gloomy. "We didn't pay much attention to it at the time, thinking it was just some toxic miasma native to the Sealed Land. But a few days later, a cultivator in the Endless Forest suddenly went mad."
"He kept roaring at the top of his lungs, as if countless things were attacking him from all sides. He summoned his magic treasure and began striking out wildly, and no matter how hard we tried to snap him out of it, nothing worked."
"In the end, more and more people lost their minds. Eventually, even two cultivators at the Passing Immortality stage fell into madness, and everyone started turning on each other and killing one another."
Chapter 863