The deafening roar shook the heavens as even those in Fortress One faintly heard it. The entire wilderness region fell silent. 

Even a tier five master could barely stand when the ground shook so strongly. The terrifying aura was suffocating. It was something alien, but it gave them a clear sense of horror of the unknown. Imagine walking alone down a dark, quiet alley, while a hungry wolf glared before it chased you down. That was the fear it evoked. 

There was only one thing capable of generating this much terror from within the wilderness: a tier nine Beast Emperor. They were living nightmares that unleashed terror upon the world. They were beings that even nuclear bombs couldn’t kill, and despite centuries of research, humans still couldn’t get...