Accompanied by the sound's rise, everyone's gaze turned toward its source. Yet in their eyes, there was a hint of realization, devoid of any doubt.
If anyone among the human kings present possessed a Small World capable of invoking the World Thunder Sound, reaching an extreme state of existence, it had to be none other than Xiao Chen.
"Elder, may I ask how to invoke the World Thunder Sound?" Xiao Chen's voice followed promptly. He had heard of this World Thunder Sound, but his understanding wasn't very clear.
According to rumors, before one became a king, advancing one's combat power into the realm of a Forbidden Half-King was the extreme state, and the World Thunder Sound was the ultimate phenomenon one could condense before a king's Small World solidified into the seventh layer of heavens.
