User blog comment:PsykJames/Jing/@comment-25007094-20140924120328/@comment-5910964-20140924224308

Jing is explained in great detail in the beginning

"Jing is one of the many types of energy in the universe. Jing is a very powerful physical energy and is stronger than Ki/Chi or PSI and can damage things even if a small amount is used. Jing is used in the production of sperm and eggs but is not simply a part of the sexual energy. It is another level of substance altogether and without it the sperm and eggs would be infertile. Since we only have a finite amount of Jing every time a male ejaculates or a female menstruates some of their Jing is lost forever. However it is possible to aquire more through training. Jing is also linked to the physical body's well being."

Since Jing comes from the earth it does originate from the planet