In the blink of an eye, three days had passed.
Chen Shi'an, who had been sitting cross-legged in the gorge with his eyes closed, suddenly opened them and slowly rose.
Then he took out the Thunderclap Saber and slowly poured Origin Force into it.
As he poured in more and more Origin Force, the blade trembled slightly, a faint azure light flowing along it.
Suddenly, he leaped up and brought the Thunderclap Saber down with thunderous force. An azure saber light shot out like a ribbon of silk, surging like a storm toward the deep stream at the bottom of the gorge before slicing into it at tremendous speed.
The next instant, spray blotted out the sky and sun. The rushing stream at the bottom, over twenty feet wide, had actually been forcibly severed by the saber light.
Only after a full six breaths did the severed current reconnect and rush onward with a roar.
What Chen Shi'an had just unleashed was the second move of the Great Derivation Saber Technique, River Severing!
After three days of arduous cultivation, he had refined all the third-, fourth-, and fifth-level Demon Cores in the jade box. His cultivation had risen to Fourth Grade Middle Stage, and he could finally execute River Severing.
However, after executing River Severing, he had barely any Origin Force left in his Dantian.
Powerful as the Great Derivation Saber Technique was, it consumed far too much Origin Force.
Even with his current Fourth Grade Middle Stage cultivation, he could only just execute River Severing and still could not unleash its full power.
With Second Grade Early Stage Mind Power cultivation, Fourth Grade Middle Stage Origin Force cultivation, and the immensely powerful Great Derivation Saber Technique, Chen Shi'an was now brimming with confidence.
He believed that if he fought