C3245 Collect

Spirit marrow, in layman terms, is the essence of the spirit vein. Although spirit marrow did exist, it did not exist as long as there was a spirit vein.

There was a saying in Spirit Realm, ten thousand veins produce one marrow.

Although that was the case, in terms of the spirit marrow, ten thousand spirit veins definitely couldn't give birth to a spirit vein with a spirit marrow