After investigating the base, they learned that when Karik II rebelled, Yamcha had actually defected to the enemy.
In other words, at the most critical moment, that guy had made the worst possible decision.
Everyone was furious when they thought of him, but even after searching, they couldn't find him. They could only focus on healing Yajirobe.
Once they failed to find him, no one continued looking for Son Goten, either. They let everyone rest before resuming their training. He had a feeling that many enemies would arrive sooner than expected.
To improve his planet's Combat Power, he also had to ally with others and obtain more advanced equipment and supplies.
Light would have to take action for this. He knew a great deal about the universe, including the many mysterious ores on this planet. They were extremely valuable and could be sold for a high price.
But to sell them, they first had to find planets that specialized in trade.
There was a Commercial Alliance in the universe. These alliances specialized in all kinds of trade, helping people buy and sell all kinds of supplies.
Son Goten's next stop was one of those planets. The warriors on his planet could continue training in the meantime, hopefully gaining even greater Combat Power.
Son Goten had already boarded a spaceship with Light and Bulma, bound for the planet where the Commercial Alliance was based.
Chichi went with them, too.
Traveling through space was incredibly dull, so Son Goten spent every day with the two girls instead of continuing his training.
He savored the feelings they gave him, and over this period, the bond between the three of them had grown by leaps and bounds.
Bulma was a little older and more mature, and she understood a lot about the world.
She