A Dao Tree was merely a general term. Anything capable of suppressing a grotto-heaven counted—whether one condensed it oneself or transplanted it from elsewhere, it made no difference.
By planting the Tianxing Divine Wood with his own 'True Spirit Blood · Ancestral Dragon Seed,' An Jing had instinctively grasped the essence of the Dao's underlying principles, and thus made the optimal choice. You Ruhui was far behind him; she needed to draw upon Dao Scriptures and rely on the profound foundations of the Da Chen Imperial Court before she could barely comprehend this level.
Yet without You Ruhui's insight to fill in the path between the 'unspeakable Dao' and the 'speakable laws,' the Grotto-Heaven Method could not be considered complete.
"Before finding—or condensing—that divine object, I need to adjust the state of the grotto-heaven within me and condense a vast quantity of Dragon Qi as foundational material, to ensure perfection... This, too, is a form of cultivation for the Return-to-Origin Secret Canon."
You Ruhui closed her eyes and cultivated.
Condensing vast amounts of Dragon Qi was an exceedingly painstaking, water-dripping-through-stone task. In the outside world, it might take years, but within Zhaolin Realm, where Spiritual Energy was abundant and sensitive and the laws were primitive and unadorned, the process was greatly accelerated.
In just a few days, one strand, then two... She felt the blood vitality and physical strength within her flesh and grotto-heaven filling out and sublimating at an unprecedented pace, nearly reaching the level of a Heavenly Dragon.
You Ruhui slowly exhaled a long breath. "The Sacred Ancestor truly received far too much investment from the Dragon Clan back then. This secret canon is the perfect fusion of the Path of True Spirit and Martial Dao. No wonder our Imperial Court has always treated the Dragon Clan with