Vegeta asked Son Goku, "Kakarot, why did they separate?"
Son Goku explained the reason to everyone again.
Only then did everyone realize that fusion did not let them keep fighting indefinitely.
Afterward, Son Goku took everyone back home.
They held another feast, and Whis, the Supreme Kai, and Kibito ate their fill again, even packing up some food to take with them when they left.
In the days that followed, Son Goku threw himself back into training.
Half a year later, Son Goku had trained Super Saiyan 5 to its limit. The gravity on the Red Giant no longer had any effect on his training.
So, with a single energy blast, Son Goku put the Red Giant out of its misery for good.
Then Son Goku lowered his head, recalling celestial bodies suitable for training.
He remembered a black hole sixteen thousand light-years from Earth.
This black hole had fourteen times the sun's mass, and its gravity was a trillion times Earth's.
Even with his body at the limit of Super Saiyan 5, Son Goku did not dare get too close to this black hole, lest its gravity tear him to pieces.
Son Goku proceeded gradually, first training at a suitable distance from the black hole.
Even there, the gravitational pull was nearly twenty million times Earth's.
The immense gravity tore violently at Son Goku's body, which had reached the limit of Super Saiyan 5.
His face twisted in pain as Son Goku began training at that distance. Feeling his strength slowly increase, he found pleasure amid the agony.
Half a year later, Son Goku finally adapted to twenty million times Earth's gravity and could move freely at that distance.
One day, the Supreme Kai and Kibito came to Son Goku's house to mooch another meal. Looking at them, Son