"It's the mission which trapped Steven in the dungeon for 10 whole years," Ozel said to Julius.
…
"How is that even possible? Isn't the dungeon supposed to have disappeared once Steven had been let out of it?" Julius asked.
"I know, that's what makes this dungeon so troublesome," Ozel replied.
"Where do these mission come from? Aren't you the ones who place them on the board?" Julius asked with a confused face.