The Stone Tower Tribe was an immensely large Ogre Tribe. To own a territory in this marshland, one must certainly possess great strength, especially considering this was the dominion of the Black Dragon.
If even the Black Dragon hesitated to provoke them, it was evident that the strength of these ogres was formidable, making them difficult to deal with.
The Black Dragon Princess was legendarily powerful in the tales, but the Black Dragon had almost been driven to extinction in ancient times.
The Black Dragon King had disappeared without a trace, and the Black Dragon Queen had met a tragic end.
The last vestige of the Black Dragon's strength remained in the hands of the Black Dragon Prince and lay entrenched in Blackrock Mountain in the East Continent, precisely where Li Yao sought clues to rare skills.