A Harvest

He was curious about was the crystal.

What was the crystal? No one truly understood it. The old civilization only mentioned something about calculi, which was also known as stone, that would form in human or animal bodies in the form of gallstones and kidney stones.

Crystal? Could it be considered a Śarīra of natural formation? In which era did such a crystal come into public notice? It did not seem like someone had made it up either.

Tang Ling was not a scientist. Although he was curious and eagerly sought knowledge, he did not have the time and suitable environment to study.

All he could say was that the crystal was unique to this era, and was usually found in the aorta of the heart.