C402 The Struggle for the Spirit Vein

A prerequisite for opening a sect's gate was to have a set of Spiritual Vein. In order to open a sect, one needed to have a set of Spiritual Vein, which was actually similar to natural gas, and which contained the spirit energy of heaven and earth. Not only could it be used to speed up one's own cultivation, it could also be used to cultivate medicinal herbs and fruits