An External Incarnation and an Internal Incarnation differed by only one word, but they were things as far apart as heaven and earth.
The former was nothing rare. Let alone mighty cultivators at Spirit Division and above—even those at Dongxuan, or even Lihe, could refine one.
Moreover, they were divided into several kinds.
Some were controlled by a Second Nascent Soul, others by a single separated Primordial Spirit, and their power varied as well. Although they could increase a cultivator's combat strength to a certain degree, their weaknesses were also glaringly obvious.
An Internal Incarnation, however, was different. As a divine ability created by ancient mighty figures who had exhausted all their skill, it could almost be described as perfect. It inherited the advantages of an External Incarnation in one unbroken line, while its flaws and shortcomings had been discarded through improvements. If one had to point out a deficiency in this secret art, it was that the materials required to refine the incarnation were far too demanding.
The body used for this divine ability was no longer the fleshly body of a cultivator or Demon Race member seized through possession, but something of grass and wood.
What did "something of grass and wood" mean?
Simply put, it meant all kinds of spirit medicines, or wondrous grasses of heaven and earth.
Of course, not just any rare flower or strange herb would do. It had to be something that had gained sentience, whose intelligence was almost no weaker than that of a human cultivator.
This condition was truly harsh. Looking across the Spirit World, there were not many suitable materials to be found.
Of course, Lin Xuan had already solved this problem.
On his trip to the Ice Sea Realm, although he had not found any suitable sentient plant or