The way to become a dungeon master is...

"Somehow take possession of a soul stone," Edmond said, his expression seemingly saying, 'Easy, huh?'.

"You can't get one free of charge, right?" Kang Oh said.

"Guardians protect the soul stone. You either need to kill all of the guardians or win them over. I wouldn't recommend it, but you could also try stealing one too. As I said, all you need is the soul stone. Ah, of course... that only applies to an ownerless soul stone."

Edmond referred to these dungeons as 'soul dungeons'. It seemed like that was the correct term for these kinds of dungeons.

"Guardians? Like that giant scorpion?" Eder asked.

Edmond nodded his head. "Melcapion. That child is one of the dungeon's guardians." 

"It must be the weakest guardian here." Kang Oh said.

It seemed much too weak to be a guardian.

"Indeed. That child's only responsible for guarding the entrance."

"Where are the other guardians?" Kang Oh asked.

"Behind that door." Edmond pointed at the door on the wall.

"Please show me," Kang Oh asked boldly. 

He wanted to see how powerful...