A breakthrough in Realm is not just an increase in Inner Strength, but also an understanding of the consciousness of thoughts.
Chen Nan held the ginseng, absorbing the Spiritual Energy within. He no longer had a Dantian, so theoretically nothing should stop him from absorbing more Spiritual Energy. But that wasn't the case; it was as if there was an invisible barrier in his body, preventing him from absorbing more Spiritual Energy.
His Inner Strength was already at the Peak of Fourth Layer Heaven. As long as he breaks through this barrier, he can fully step into the Fifth Layer Heaven.
The barrier of Taming Heaven Fourth Layer has not been broken, so Chen Nan absorbs Spiritual Energy very slowly. However, he doesn't lose heart. As long as he persists, the breakthrough is only a matter of time.
...
While Chen Nan was deeply immersed in cultivation, elsewhere in Ningjiang City, outside a villa.