Thunder Swamp, the most dangerous and mysterious place in the Ten Thousand Li Mountains.
For countless years, innumerable mountain powerhouses had flocked there, gambling with their lives, only to vanish without a trace, their fates unknown.
To this day, no one knew what great terror lay within. They only knew it was shrouded in lightning year-round, and whoever touched it died.
A thousand years ago, a Soul Beast from the Ten Thousand Li Mountains that had reached the pinnacle of the Twelfth Rank entered it and likewise vanished without a trace.
From then on, Thunder Swamp became a forbidden land of the Ten Thousand Li Mountains.
Even Twelfth-Rank Soul Beasts could not withstand such terror, let alone those below the Twelfth Rank.
Several months later, Chi Yu and the others finally arrived at the entrance to this terrifying forbidden land.
"Look, young friend. That place ahead, where lightning flashed and thunder roared, is the entrance to Thunder Swamp." Mang Shan pointed ahead.
As they gazed at Thunder Swamp, everyone except Mang Shan and Chi Yu felt their hearts tremble, as though they were instinctively afraid.
"Father, are we really going in?" Mang Lin stepped forward, still hoping to persuade him otherwise.
"Let's go!" Chi Yu said those two words and once again flew toward the entrance ahead.
Mang Shan did not answer Mang Lin and flew after him.
"Ah... I hope everything will be all right!"
The Elders swept Mang Lin and Shu Da along with them and flew after them as well.
At the entrance, Chi Yu looked ahead with great interest.
Before the others could arrive, he transformed into his ten-thousand-meter true form and shot into the lightning.
"Not good, young friend, don't..."
Mang Shan, some distance away, was about to shout a warning, but it was