Nan Chi Island was just as its name suggested. Qin Fengming and He Xuan had only reached within several hundred miles of the island when they already heard a very ethereal howl.
Although the sound was faint, its penetrating power was astonishingly strong.
They were still so far away, yet that ethereal sound had already invaded their minds. Even their sea of consciousness seemed to have developed a faint reaction.
As they rapidly drew closer, the howling grew stronger without pause.
When they landed on the island, the sound had not increased by much, but ripples had already appeared in Qin Fengming's sea of consciousness, revealing the extraordinary energy contained within the howl.
If a cultivator below the Nascent Soul stage were subjected to this unceasing howl, they would certainly find it difficult to endure.
It was even possible for their minds to be seized by the sound, turning them brutal and berserk.
As Qin Fengming sensed the sound invading his mind, he vaguely felt that if he could enter secluded cultivation within it for a long time, his sea of consciousness would surely become somewhat tougher.
If he could remain there for several hundred years, his sea of consciousness's resistance to external forces would definitely increase severalfold.
Ordinary sonic attacks might not even be able to break through the barrier of his sea of consciousness before being blocked.
Although Nan Chi Island covered a vast area of nearly a million miles, there were not many cultivators on it. Only those coveting the island's rare materials or intending to temper their own seas of consciousness would remain there.
But if they only wanted to temper their sea of consciousness, not many cultivators would be willing to spend several hundred years on it.
After arriving at Nan Chi Island, Qin Fengming