Vast Sky Drizzle

When Jiang Ming woke up in a strange world, he learned he had obtained immortality. In the dangerous and ruthless world of cultivation, he was determined to carve his unique path. Taking advantage of his immortality, he vowed to learn forbidden skills that would normally eat away at the user’s life. 
As he continued on his path, Jiang Ming realized that with his forbidden skills, he could become the strongest. 

As An Immortal, I Only Learn Forbidden Skills

CatABoo

Mystical stones were extremely special. It contained more than just the spiritual energy around them.

If one was lucky, one would find mystical stones of a higher grade. These stones were extremely rare and extraordinary.

It was also Jiang Ming's first time seeing mystical stones. After a short while, his expression suddenly changed a few times and he said in surprise, "I seem to be able to feel mystic Qi."

Gongye Jiu had once said that even if ordinary cultivators obtained mystical stones, they might not be able to sense the mystic Qi within, let alone absorb it.

As time passed, Jiang Ming's eyebrows twitched again.

"Absorbing spiritual energy is not a problem, but I can't refine it with my own methods."

Mystic Qi was different from spiritual energy. It was a source of cultivation power of a higher level.

The True Use of Mystical Stones