One year later.
Earth.
"Are you out?" Kami leaned on his wooden staff, watching as Goku finally emerged from the Hyperbolic Time Chamber.
He-El, Kami, and Bulma had once modified the Hyperbolic Time Chamber. It no longer had the old rule that one could only enter for two days in a lifetime, spending two years inside.
However, Kami had not allowed these Dragon Ball warriors to enter the Hyperbolic Time Chamber whenever they pleased. He still told them that each person could only enter for two days in their lifetime, equivalent to two years inside.
He-El and Kami had discussed this beforehand, to prevent training fanatics like Goku, who only wanted to train, from staying in the Hyperbolic Time Chamber indefinitely.
The time spent in the Hyperbolic Time Chamber was time their bodies truly experienced. In other words, it was no different from the outside world—they would still age two years.
If they were allowed to enter the Hyperbolic Time Chamber freely and train without end, they might lose themselves in endless training and train there until they died.
They were not He-El, nor did they possess He-El's strength that allowed him to train for centuries while remaining young.
So Kami still limited each of them to two days.
This arrangement was ideal. It let them feel pressure and urgency, while ensuring they would not slack off simply because they had two years inside the Hyperbolic Time Chamber.
The two years within the Hyperbolic Time Chamber, with ten times gravity and ten times the mental pressure, were enough for these Dragon Ball warriors to gain a considerable understanding of themselves and develop their own signature techniques.
Even so, training in the Hyperbolic Time Chamber meant facing not only ten times gravity, but also ten times the mental pressure. It was