It was naturally startled, for with its current level of cultivation, it hadn't even caught a glimpse of the trajectory of Moyang's departure, and his very aura had vanished from its senses.
Afterward, it muttered to itself, "Using one’s own body as a furnace and draining soul power until almost nothing remains... this kid is not only ruthless, he’s a true lunatic."
The reason the Four-legged Divine Dragon said this was that Moyang’s method was fundamentally different from the Sword Saint’s soul-nourishing technique. Moyang had drawn his soul power out, yet kept it stored within his body, sealed inside his Spirit Palace. In this way, as Moyang’s own soul power grew and his cultivation increased, the stored soul power would also undergo transformation and strengthen accordingly.
Chapter 586