Flower On The Water That Reflects Moon

The Jiuzhou Continent contains an era of chaos and fiendish demons, haunted by mysterious beings and fraught with feuding martial families, demonic sacred grounds, and endless struggles between various powers. Conflict is a constant throughout the world.
Within such darkness, Gu Chen opened his eyes to this reality.
At the same time, he discovered that as long as he slew these fiendish demons and ghosts, his cultivation strength could continually elevate.
Killing a Panic Level Demon yields a decade's worth of cultivation.
Slaying a Ghost Level Fiendish Ghost brings thirty years of cultivation.
...
Eventually, one day, staring at the endless swarm of fiendish demons and world-renowned grandmasters in his path, Gu Chen chuckled lightly, "Are you able to withstand this fist of mine, charged with 1600 years of cultivation?"

Demon Slaying, Gaining 60 Years of Cultivation From the Start

In the deep mountains of Kyushu, amidst flashes of lightning and booming thunder, roaring winds swept through. Atop a black altar overflowing with fresh blood and echoing with the wails of souls, millions from the Human Clan were being sacrificed alive. As the fiery blood light burned, a blurry gateway emerged.


Blood-red lightning streaked across the sky, its myriad sparks dazzling as they cut through the heavens above, splitting them apart. Even the hundred thousand great mountains, the first forbidden zone in Kyushu, shivered at this moment, despite its unique environment.


The void shattered, the earth quaked, and ghosts and gods howled as blood-red lightning intertwined. The world rumbled ominously, a sight so terrifying it seemed as though heaven and earth themselves were in fury—as if the will of the heavens was manifesting, ready to sever anything that violated the rules!


586