Card Of Death.

Shi Lang and the two had found their high tree crows and diligently cultivated them. A few hours passed, and Shi Lang gradually improved his level. In his cultivation path, bottlenecks did not exist. The secret lay in the sutra he practiced. 

Shi Lang was born to practice this sutra, and the aid of his Terran physique, control over his body, and observation skills made him understand the sutra better. The young man was focusing on condensing his spiritual energy inside his dantian. 

The spiritual weapon was the size of the needle, but to increase his cultivation realm, he needed to instill it with purer spirit energy. The spirit liquid in his body was cleansing his spiritual energy with every major cycle. 

Shi Lang was -also very prudent and did not keep his hands when using the spirit liquid. His body seemed to have become a black hole, absorbing the nutrition completely.