The next several days passed in Uchiha Tenshu's training.
Through his diligent study of the technique, which allowed him to understand the entire cultivation process, combined with his own talent and abundant resources, Uchiha Tenshu's progress advanced by leaps and bounds. Before long, he entered the fourth minor stage of the first chapter, the Refining Essence Chapter, and was about to begin the Qi Refining Chapter.
However, during this cultivation process, Uchiha Tenshu also discovered a few issues.
This technique truly was a manual that increased one's attributes by percentages. Perhaps for the frail human bodies of other worlds, cultivation only meant a doubling of physical ability. But for a body from the Ninja World, with 130 trillion cells, where both mental strength and physical strength were at least three times that of an ordinary person, the actual potential gap was three times three—ninefold.
For example, even though Uchiha Tenshu had yet to complete the entire first major chapter, his strength had already increased beyond the bonus described in the manual. His raw power had risen by more than five times.
With such terrifying strength, he could surpass even pure-blooded direct descendants of the Senju clan through brute force alone. Though he had never seen how strong Hashirama Senju had been at the same age, Uchiha Tenshu still did not believe himself inferior to him in strength.
Although, in the original plot, Hashirama Senju's weapon was a huge door-panel-like sword, and its weight alone clearly wasn't light, his own strength came from specializing in taijutsu and training day after day. Even as a Chunin, he could contend with ninjas of the same rank through taijutsu alone. Not to mention that after the limits of the Jonin rank were opened, his talent was further unearthed. Uchiha Tenshu secretly speculated, his heart