C2529 The Theory of Martial Spirits(part I)
Martial Spirits were unique to the Heavenly Soul World. They were crucial to the warriors' initial cultivation. It could be said that without a Martial Spirit, one wouldn't be able to cultivate.
However, the higher the cultivation level, the less useful the Martial Spirit would be. Especially after he reached the Nirvana Realm, after he had cultivated his Fa Li