The terrain of Black Flame Mountain rose and fell unpredictably. Over the roughly ten thousand li Li Yan and the others traveled, they followed slopes up and down, crossing at least several hundred pitch-black mountains.
Fortunately, the mountains here rose only about a thousand zhang at their highest. If they had been any taller, the journey would have taken even more time.
After traveling roughly fifteen thousand li, Li Yan's group began leaving people behind one after another under the Great Devil King's orders. Before long, that Great Devil King also remained at a certain location.
By then, every cultivator in the team knew the distance they were supposed to maintain from the person ahead. Li Yan, Mu Guyue, and the remaining cultivators continued swiftly flying toward one side.
Soon, when it was Li Yan's turn to be at the very front, he halted and stood where he was. He immediately glanced behind him.
Mu Guyue quickly passed by his side. At the instant she brushed past him, her cold voice entered Li Yan's mind.
"Be careful!"
Almost at the same time, Li Yan's low voice also rang out in Mu Guyue's heart.
"Be careful!"
As though their hearts were linked, the two reminded each other in near-perfect understanding.
Li Yan swept his gaze over the backs of the last few people as they vanished into the distance, then quickly headed forward. At the same time, two streams of divine sense spread out to either side of him.
He was also responsible for a range of forty-five li on each side, advancing while searching ahead. For Li Yan, whose divine sense was as strong as the Great Devil King's, this was far easier than it was for those Devil Emperors.
Li Yan's position was separated from the Great Devil King