The tide-like attack of the thin red snakes suddenly became extraordinarily strange in its sticky power. If Hong Yin and Li Yan wanted their spells to form true defenses and attacks, they had to expend even more magic power. Against ordinary cultivators, this would naturally have been fatal.
But for Li Yan and Hong Yin—especially since both of them were veterans of a hundred battles—it only felt somewhat troublesome. Even so, neither of them knew just how many such thin red snakes lay beneath the Red Desert, or whether other powerful Demon Beasts were hidden there.
So they did not dare sweep swiftly over from above. Instead, they carefully followed a straight line, taking the shortest distance toward the other end of the desert, attacking and defending while advancing through their investigation.
Their caution truly had its effect. Hong Yin quickly noticed something wrong. She slowed down again as she fought those thin red snakes.
She transmitted to Li Yan that she had sensed that a Buddhist formation she knew of might be hidden in this desert. Once this sort of formation sensed living beings flying above it and their speed reached a certain degree, it would launch an attack.
As for exactly how fast one had to be to trigger the formation's attack, she could not determine that. It depended on how the cultivator who had laid the formation had specifically set it up. At the same time, Hong Yin had not truly found where the formation was.
But under this judgment, she already did not dare fly quickly. As Li Yan fought these Demon Beasts that seemed unable to pose a threat to him, a faint unease had also arisen in his heart. This was his sharp perception of danger, though he could not clearly tell where the