"What is Blue Sea Essence? Why have I never heard of it?" Yue Qianchou asked suspiciously. "Could it be related to the Blue Sea Death Realm in the Blue Sea beyond the domain?"
Wei Chunqiu nodded gravely. "That's right! Blue Sea Essence comes from the Blue Sea Death Realm. If you want to find Blue Sea Essence, you must search for it in the Blue Sea Death Realm beyond the domain."
Yue Qianchou scratched his head. "Can you make yourself clearer? What exactly is this Blue Sea Essence, and why is it connected to you and Bai Suzhen cultivating the Myriad Demon Heart Sutra?"
"This is a long story." Wei Chunqiu clasped his hands behind his back, striking the pose of one reminiscing about the past. Yet paired with his wretched-looking face, it somehow seemed utterly out of place. With his hands behind his back, he slowly paced and said, "Ordinary people only know that the vast sea formed a Blue Sea Death Realm because of an enormous Blue Crystal that fell from beyond the heavens. From then on, that stretch of sea became a dazzling, magnificent blue. All kinds of snowy-blue auroras would shoot up from the seabed from time to time. Whenever cultivators who knew nothing flew overhead, they would be strangled by the sudden auroras. As time passed, no one dared trespass there again, and that place came to be known as the Blue Sea Death Realm."
"I've heard all that. I know the finest artifact-refining material in the Three Realms is the Blue Sea Golden Essence produced there, but it's extremely difficult to obtain and exceptionally rare. Whenever someone with good luck encountered a small piece of Blue Sea Golden Essence erupting from the sea, they would become rich overnight. That's why many people often go