"Crack!"
"Crack, crack!!"
The black rain of the undead pattered down, turning into a hazy black drizzle.
Pale blue Soul Fires rose from the earth and fused into the corpses piled throughout the city. Rotten flesh fell away, transforming them into Chaotic Undead Skeletons, their limb joints clattering as they collided.
Within the forests beyond the city, beast bones were likewise bathed in the undead black rain. They broke through the soil one after another and gathered toward Yin Ming.
Before long, the bones had piled into a mountain of white bone, yet more Undead Skeletons continued to claw through the dirt covering them and surge forth.
"With human bones, beast bones, and the stockpile accumulated by a plane over several centuries, a single plane can yield hundreds of billions of skeletons. With just ten such planes, the Palace of Rest can be built, giving the Endless Bone Sea its initial scale."
Yin Ming did not waste time waiting for the Undead Skeletons to finish gathering.
His body transformed into a rainbow streak and headed for the next location.
The undead black rain could not cover an entire plane, but he could swiftly escape to multiple locations and repeatedly trigger the 'Undead Revival' witchcraft.
If strength was lacking, speed would make up for it.
He only needed to record the coordinates. Once the undead black rain covered the whole plane, he could return and harvest them one by one.
He was already thoroughly familiar with this process. Gathering the skeletal materials from one plane took roughly three days.
Minor Five-Elements Escape Technique.
His escape light remained incredibly swift within the plane.
In the blink of an eye, he broke beyond the range covered by the undead black rain and descended upon another ruined city.
The scene was no different from