Not long after, a roar like wailing ghosts and howling wolves came from ahead.
Ning Fa looked up and saw a vast expanse of darkness several dozen miles away, stretching from sky to earth and spanning nearly a hundred miles from east to west. The sight was terrifying.
Looking carefully, he saw that it was actually made up of deep-black wind masses.
Even from such a distance, he could still feel the violent pressure emanating from within, and his expression could not help but change.
This was undoubtedly an extremely formidable restriction.
Ning Fa had long learned from Yun Jin that this was Hidden Dragon Island's outer defensive grand array, known as the Heavenly Scroll Wind Fiend Array. It was as high as fourth-grade mid-tier.
Moreover, according to Yun Jin, the array was mixed with True Lord Fenglong's natal wind essence.
Once someone attempted to force their way through, True Lord Fenglong would sense it instantly even if he were tens of thousands of miles away.
Thus, although Yun Jin possessed some special methods for breaking arrays, he still did not dare attempt it. In the end, he came up with the method of infiltrating the place through Lu Yu.
A trace of nervousness appeared on Lu Yu's face as well.
Yet he took a deep breath, and his expression returned to normal. Leading Ning Fa and Yun Jin, who were bound by a yellow net-shaped magic treasure, he flew toward a certain point ahead.
The winds and waves around them surged to the heavens, their momentum terrifying.
Yet Lu Yu moved with practiced ease, following a specific route as he led the two to the edge of a somewhat calmer section of the restriction.
He then took out a special black token and gave it a light shake.
A