The way to increase one's dungeon rewards was simple.

"You need to expand the dungeon," Teynos said.

"Expand the dungeon..." Kang Oh immediately clicked on the 'Expand Dungeon' option.

"It says I need 'repel points'. What are those?" Kang Oh asked.

"You gain repel points by either killing adventurers or forcing them to retreat. You can also pay for any change to the dungeon using repel points," Teynos said.

Changing the dungeon's topography/environment required a special item or an exorbitant sum of money. However, repel points could be used as a substitute for either. 

"Hmm. I guess I can't increase the rewards yet." Kang Oh looked disappointed.

At the moment, he had no way of earning repel points. No other adventurers had come to the Teyno's Cave, after all.

At the same time, he couldn't just tell everyone that a dungeon was here, and draw all of the curious adventurers here.

If he did, someone might steal the dungeon from him. 

Ultimately, Kang Oh had no way of increasing his dungeon reward for the time being. 

"How much do you get from the dungeon anyway?" Sephiro, who'd been watching...