Teaching

He-El, Yamcha, Puar, Goku, and Krillin did not take any aircraft. They intended to travel all the way from the Red Ribbon Army headquarters to Korin Tower on foot. Along the way, He-El taught Yamcha, Puar, Goku, and Krillin the most precise methods of training Ki for their respective constitutions. Goku possessed a Saiyan constitution. Without a doubt, recovering from the brink of death could maximize his Battle Power, and the method He-El taught Goku for training Ki was likewise the most extreme.