Solitary Sword Sovereign

Uh? Greatest Prodigy? Is that Food?

...

Spiritual veins were veins that transported energy from the pores on the skin, to and all around the body. Meridians, on the other hand, were broad valve-like checkpoints that existed in the complex network of spiritual veins. There were actually thousands of spiritual veins, but only 20 of such meridians.

Places, where spiritual veins intersected, were called acupoints. One could freely operate one's acupoints to assist in directing energy, but meridians were different.

There were two types of meridians, called the Eight Gates and the Twelve 

Doors, respectively.

How many meridians you had unsealed at birth was a measure of your cultivation talent. Especially your Gates: the more you trained, the more Doors you could open. The number of Gates however never changes, you are stuck with that number for life.

In the beginning, Will had six Doors that were unsealed and five unsealed Gates.

Each of the Doors was trait less and thus