Heavenly Tomb, second level.
Gray light seeped out from nowhere, barely illuminating the wind-swept earth of the Heavenly Tomb's second level. The surroundings were exceptionally quiet.
The Heavenly Tomb's distinctive lifeforms, undead energy bodies, were wandering through their own small territories. Gray mist enveloped their bodies, and their true forms were rather illusory—not truly "human" in any sense.
The undead energy bodies within the Heavenly Tomb were beings born after a person's death. Generally, they possessed no intelligence and could only act on instinct. Yet when this one reached the edge of its territory, it suddenly sensed something.
In this area it had long been incomparably familiar with, it detected an utterly foreign presence. Its movements quickened, and the closer it drew, the stranger that thing seemed. Soon, it arrived before the unfamiliar presence.
The thing it found was Xiao Yan, cultivating with his eyes closed. When the undead energy body's fist was already nearing Xiao Yan's head, Xiao Yan's eyes abruptly flew open. There was not the slightest hint of panic on his face as his Natal Flame, the Red Lotus Star Flame, flashed forth instantly.
Boom!
A terrifying force erupted from Xiao Yan's fist. Though he struck later, his attack arrived first, blasting the undead energy body into twisted fragments with a single punch.
Xiao Yan had merely been recovering from his exertion. His soul power had never truly relaxed, so he had naturally noticed this thing from the very beginning. After killing it with one blow, Xiao Yan judged that the undead energy body was roughly equivalent to a human seven-star Dou Zun. To him now, such an energy body posed no threat whatsoever.
As the undead energy body completely dissipated, a diamond-shaped crystal appeared, glowing with a gentle, non-dazzling radiance. Xiao Yan caught it in his