A person's soul solidified only after becoming a Legend Rank Warrior. Even then, the main method to strengthen one's soul was still through Meditation Techniques.
Although a solidified soul would continue to grow stronger as a person cultivated their Source Core, the rate of improvement wasn't significantly different from before the soul's solidification.
In simple terms, the primary method to strengthen the soul was the Meditation Technique.
Even if a person cultivated their Source Core and advanced in level, to truly enhance their soul, they still needed to practice a Meditation Technique, as it remained the most effective source of spiritual growth.
But just now, Azrael suddenly thought of the free stat points he received after leveling up, thanks to his Eternal Grade Bloodline.
He could freely allocate those stat points to his Strength, Stamina, Agility, and Cosmic Energy.
