After emerging from the Ancestral Demon Cave, Rulai and the others surveyed the demonic energy permeating the world outside, an overwhelming sense of discomfort washing over them.
Hailing from the Western Paradise, their path of cultivation stood in stark opposition to that of the cultivators of the Demon Realm. While beings of Rulai's stature had long since transcended to the pursuit of the Dao itself, the sheer density of the demonic energy everywhere hindered and slowed the recovery of his vital spiritual power.
Furthermore, Rulai was accompanied by several other venerables who had not yet attained his level and still relied heavily on the spiritual energy of heaven and earth to replenish their magic.
Chapter 446