Can merge into any cultivation technique or supernatural power, greatly amplifying their power. It is known as the ‘Mother of All Dharmas’. If its main body remains in a profound Yin location for a long time without seeing sunlight, it can mutate to form a variant Earth Fiend Yin Qi. This variant Yin Qi is difficult to expel and can cause meridian atrophy and physical rigidity if left in the body for too long. It can be refined using a specific incantation method.