Son Goku successfully broke through to the second stage of Super Saiyan, but he wasn't satisfied. He dragged Yinsen into training every day and even wanted to develop Super Saiyan Two into its Full Power State.
"This... I don't think there's much hope."
Super Saiyan Two consumed far more energy than Super Saiyan One. It went further down the path of emphasizing Burst Power. Super Saiyan Full Power, on the other hand, achieved a balance while in the Super Saiyan state. Breaking through to Super Saiyan Two itself meant shattering that balance.
"What a pity. But forget that for now—let's have a good fight!"
Having broken through to Super Saiyan Two, Son Goku once again couldn't restrain his excessive excitement and love of battle. He grabbed Yinsen and wanted to fight hundreds of rounds.
During these past six months of training, Yinsen hadn't focused on increasing his Combat Power, but he didn't refuse. He readily accepted Goku's challenge.
The scenes from their battle half a year ago once again frequently played out in the white expanse. This time, however, Yinsen was no longer the one with the upper hand. It was the stronger Son Goku.
To contend with Son Goku's immense Combat Power, Yinsen had to increase the amplification multiplier of the Jao Ensatsu Ken. Only then could he trade blows with him.
Otherwise, Son Goku's transformation into Super Saiyan Two, which effectively doubled his Combat Power again, would grant him enough explosive strength to defeat Yinsen in an instant.
Yinsen didn't unleash more power because he was no longer simply pursuing explosive increases in Combat Power. He also intended to use the pressure Son Goku placed on him to accelerate his body's "upgrade."
Yinsen wasn't a masochist, but under intense pressure, it really was easier to squeeze out one's