The endless sea water roared day and night, yet it could never fill the sky above the [Returning Ruins].
A team of Feather People, bearing wings on their backs, rode the increasingly violent sea winds back and forth to ensure that nothing from within the Returning Ruins would escape.
Although this monotonous task had been upheld by their three Heavenly People Kingdoms for over a thousand years.
Only in the past four months did they occasionally hear a deep roaring sound beside their ears, not coming from the outside world but from the depths of beings' hearts.
Any sentient beings in the Mortal World who entered the range of the [Returning Ruins] could hear this sound.
Even though these Heavenly People had heard it countless times, the thought of what each resonating boom represented still made their blood surge with excitement.
"One sage can equal the defense of a city of ten thousand miles, and a single person can hold off a million soldiers!
