In order for a person to comprehend advanced level cultivation technique, he needed to have high levels of skill. The martial arts training institute was a place where geniuses gathered. As such, there were a few demon students who had access to advanced level cultivation techniques; but, even as demon students with access to the required materials, it was very rare for any but a few to fully comprehend the books successfully.
Dong Lin's successful comprehension of an advanced level cultivation technique implied very high levels of skill.
Nine distinct vital energies headed towards Du Yuntian and, for the first time, Du Yuntian's apathetic eyes narrowed into a serious glare.
"A Streaming Cold Sword!" Du Yuntian finally drew his sword!
Clang, clang-
The light from his sword shone in all directions, it was dazzling and glimmering.
His sword was like an icy cold firefly, it pierced the sky!
Titter-
Ah-