After hearing Android 18's words, Gaino said, "Little Gohan, who used to do nothing but cry, has become so renowned. In that case, let's hurry over and take a look!"
After saying that, Gaino wanted to fly straight into Skyward Martial Arts Hall, but Android 18 stopped him.
"We can't just fly in like this. Don't you see all these people slowly making their way from the foot of the mountain to the summit?"
"Why not just fly up?"
Android 18 said, "Do you think everyone is like you? They're still ordinary people who haven't even mastered the most basic use of ki. If they could all use ki, why would they come to Skyward Martial Arts Hall?"
One of Gohan's conditions for accepting disciples was that those who came to the martial arts hall had to be ordinary people. If they had already mastered the use of ki, there would be no need for them to come to Skyward Martial Arts Hall.
That was why these people were all ordinary civilians. Only by relying on their own abilities and climbing Skyward Mountain step by step from the foot of the mountain could they enter Skyward Martial Arts Hall.
This condition set by Gohan could eliminate nearly half the climbers. Another half would be eliminated halfway up the mountain due to exhaustion, so almost no one could make it to the end.
Gaino hit the nail on the head. "Gohan has two objectives. First, there's the requirement for physical fitness. From the foot of the mountain to the summit, it looks to be a distance of ten kilometers. Ordinary people without abundant stamina definitely won't be able to climb Skyward Mountain. Second, it's a test of the perseverance of those who come to learn. Without strong willpower to support them,