Looking at the pensive Senju Hashirama, Genma thought for a moment before saying, "Actually, it's not just about exploring Yin-Yang Release. It also includes the nature transformations we use all the time."
After a pause, he continued, "If we go a little deeper, it's really an exploration of the essence of chakra and ninjutsu."
Everyone turned their attention to him.
Genma gathered his thoughts and continued, "Take Yang Release nature transformation, for example."
"What we learn at the Academy—or what all ninja generally understand—is that Yang Release is the power of the body, and Yang Release techniques breathe life into forms."
"The most common example is Medical Ninjutsu, such as the Mystical Palm Technique, which uses chakra to stimulate rapid cell division and heal wounds."
"There are also less common examples, like the Akimichi Clan's Expansion Jutsu here in Konoha. That, too, is a secret Yang Release technique involving Yang Release nature transformation."
"Now, here's another question for everyone to consider: What is nature transformation?"
Genma didn't wait for Tsunade and the others to answer. He simply followed his own train of thought. "I'd break the term down into two parts: nature and transformation."
"What is nature? I think we need to understand it in terms of matter—or, to put it another way, only matter can possess a particular nature."
"Life is a nature inherent to the human body. Yang Release nature transformation is when chakra, an energy with no inherent nature, changes to imitate the nature of life found in the human body."
"Of course, I think chakra inherently possesses both Yin and Yang natures. That's determined by how it comes into being."
Everyone present had mastered Yang Release nature transformation. Hearing Genma explain it this way gave them a fresh perspective.
For Shizune and Huixiang, it felt like