"Over the years, I've done some research on the side. Goku's body composition is basically the same as that of Earthlings and mine. The only difference is that Saiyans possess a kind of Special Cells."
Yinsen and Son Goku sat cross-legged on the floor, facing each other. Everyone else was scattered around them, quietly listening to Yinsen explain Super Saiyan Two.
"As your strength increases, the number of these cells keeps growing. After comparing you with myself, Krillin, Bulma, and the others, I believe the amount of these cells is the key factor in whether someone can transform into a Super Saiyan."
Using himself as an example, Yinsen explained that if he wanted to master a Transformation Skill, he would need to continuously increase the Special Cells within his body. Only when they grew to a certain number could they bring about a complete and obvious change in him—this was the crucial element of transformation.
"When did you collect my cell samples?"
"You trained like that in the Gravity Chamber. What couldn't I collect?"
Yinsen spread his hands. There was as much hair and blood as he wanted. Goku put himself through hell whenever he trained, and major and minor injuries showed up every other day. An ordinary person would have wrecked their body long ago training like that.
But Saiyans were a terrifying race with nearly limitless potential. Combined with cheats like Senzu Beans, Goku was not only alive and kicking, but growing stronger and stronger.
"You think that once these cells reach a certain amount, I can transform into a Super Saiyan?"
"Once your Combat Power broke one million, the growth rate of these cells visibly slowed down. I estimate their growth has already reached a certain point. What comes next should be finding a way to activate