An adventurer had no regrets. At most, he had failed to glimpse the Underground City in its entirety or make it back alive, leaving only a few concubines behind to live as widows.
"I'll see the whole Underground City for you."
Mu Yuan lightly tapped his fingertips, deep in thought.
This was clearly the ruins of an ancient civilization, and its area was countless times larger than that of the ancient tower. Even if most of its regions had already decayed and fallen into ruin, they ought to be able to dig up something, more or less, right?
There was no map in the adventurer's diary, but since he had once been seriously injured and then captured by the Cave Dweller Tribe, it meant the distance couldn't be too great.
Deathbone began its search.
It was extremely cautious—ten times more cautious than before. In half an hour, it had explored only a little over a thousand meters.
Mu Yuan: "..."
He knew Deathbone was worried about the Earth Rock Dragon mentioned in the diary.
The Earth Rock Dragon wasn't a true Dragon, but monsters with the word "Dragon" in their names were extraordinary all the same. At the same level, it could easily crush other monsters. Moreover, the Earth Rock Dragon might not be merely Professional Grade.
The fact that the two Dark Night Hunters in the Cave Dweller Tribe had seemed utterly powerless before being slapped into paste was enough to reveal how terrifying the Earth Rock Dragon was.
Deathbone's caution was not without reason.
The search continued from daytime into night.
Night had already fallen outside the Mage Tower where Mu Yuan was. He could vaguely make out the distance, where row upon row of completed houses stood. The glow of oil lamps twinkled here and there, dispelling