Veins, in their basic meaning, refer to blood vessels, and as stated in "Essential Discourse on Pulse," "The pulse is the storage house of blood."
It extends to mean the coherence of things, while the terrain has order and connection, and the Qi Vein of the terrain refers to whether the mountain range undulates purposefully, and whether the mountain ridges merging and branching have an aura halo—having an aura and halo is auspicious, otherwise, it is inauspicious. According to Feng Shui, the undulations and shapes of the mountain ranges are assessed based on different states.
Moreover, the Earth Vein is the ancestor of all mountains, the source of vein momentum.
An Jing's body floated in the Dragon Locking Well, surrounded by huge breaths of air that surged and formed an immense impact, as the "Great Celestial Star Refining Body Technique" involuntarily began to operate.