As always, An Jing let his consciousness sink deep into his Divine Sea, with the Sword Spirit guarding him.
Breaking through to the Inner Breath - Tidal Surge stage was not difficult; it was, by nature, a task of patient, steady grinding.
Simply put, the human body is like a massive water vat. For an ordinary person, their Xiantian Pneuma is nothing more than some moist vapor floating within that vat; once that vapor dries up and dissipates, the person grows old and dies.
Chapter 155