Both of them moved at extreme speed, yet after racing for half an hour, they had not encountered any mishaps.
Beneath the Nine Heavens Thunder Formation, perception was unclear. Even Heart Lightning was suppressed; the might of a top-tier immortal artifact could not be underestimated.
Lin Xuan could only barely probe an area within a hundred li. Unfortunately, compared to the vast territory of the Thunder Punishment Sect, a hundred li was merely a drop in the ocean.
At its peak, the Thunder Punishment Sect's grounds alone had spanned tens of thousands of li, on par with the present-day Divine Firmament.
The Nine Heavens Thunder Formation covered only a little over half the region, but that still amounted to a range exceeding five thousand li.
Outside, five thousand li was a distance Lin Xuan and Lei Cong could cross in mere dozens of minutes. But now, Lei Cong advanced with great caution and constantly changed direction, immediately slowing their progress by countless times.
Suddenly, Lei Cong stopped, and Lin Xuan looked at him in confusion.
"Peak Lord Lin, this area is already close to the core region. There are many unforeseen dangers here. Please stay close to me. If we encounter a powerful enemy, we retreat immediately."
"If we encounter weaker enemies but cannot kill them instantly, do not break into a major battle either. It will draw the enemies nearby."
Lei Cong's expression was incomparably solemn.
"Alright!"
Lin Xuan immediately answered, his heart beginning to grow vigilant as well.
Seeing this, Lei Cong inwardly relaxed. Clearly, Lin Xuan was not the sort who aimed high but lacked ability, which put him much more at ease.
What he feared was Lin Xuan being overly confident in himself and charging recklessly at the first sight of an enemy. Then they would