"This is a natural cavern that belongs to a part of the Lianyun Mountains systems. Rumor has it that the Sunken Jade Tower is hidden a few million feet in the ground, formed from the consolidated Essence of the mountains. Over hundreds and millions of years, the Essence gradually took after a human-like form, bearing a resemblance to a fetus. It's said that cultivators who come into contact with the Essence will experience a breakthrough in their cultivation. Initially, it was thought that humans were the first ones to discover it. However, a large group of beasts came along as well, thus beginning the longstanding battle between mankind and Beasts for the rights of the Essence, which led to its perpetual depletion.