Although the Wood Spirit Clan of the Chaos Realm was a Sentient Tribe capable of giving birth to even Profound Tier and Mahayana existences, Wood Spirits needed to rely on special trees and vegetation for cultivation. Even Profound Tier and Mahayana Wood Spirits were no exception.
Thus, the Wood Spirit Clan could only live on Wood Islands.
Furthermore, Mahayana Wood Spirits had even more restraints. To reduce the descent of the Heavenly Tribulation, they would guard a single place and no longer move about freely. As time stretched on, even if a Mahayana Wood Spirit did not deliberately absorb energy on a large scale, the vegetation where he secluded himself would still be thoroughly destroyed.
This gave rise to an extreme situation: a Mahayana Wood Spirit would lack sufficient energy to absorb and fall into a prolonged slumber.
Moreover, after a Mahayana Wood Spirit secluded himself in one place for a long time, he would merge with the Heaven and Earth there, making it extremely difficult for his true body to leave.
The Spirit Gathering Marrow Pill refined by Immortal Fairy Qu Wen possessed a special effect. It could allow Wood Spirits to absorb a certain amount of Heaven and Earth energy. Although it could not enable them to do so as cultivators did, it greatly alleviated the disadvantage of Mahayana Wood Spirits being unable to leave their secluded lands.
The Mahayana Wood Spirit was certain that as long as he refined enough pills, although his true body could not roam the Chaos Realm freely like a cultivator, it would certainly be able to leave that barren land and seclude itself in a region where vegetation flourished.
As long as he cultivated his body and spirit for a period of time, even briefly traveling through the Chaos Realm would no