C335 Swallowing Lotus Seeds

The grade of the Martial Soul was determined by the grade of the Martial Vein. Other than the grade of the Martial Vein, there was another thing that played an extremely important role in the Martial Soul.

That was the item used to inject the soul into the void.

The grade of this item must be above the Earth Rank. When one's cultivation reached the seventh or eighth level of the Innate Realm