Om incense wood severely harms the soul, and although the Iron Demon harbored ill intentions, being a heaven-reaching realm demon cultivator, he knew countless profound techniques. Before exploiting them fully, the Sea Monster Emperor certainly couldn't bear to kill him.
"Zong Yan, now you see how formidable it is. You are but a sliver of soul essence; it's utterly impossible for you to escape the Soul Cage. Be sensible and hand over all the techniques and secret arts you know. In consideration of our past relationship, I might think about sparing your life," the Sea Monster Emperor said with a sullen voice.
Zong Yan's soul essence seemed dimmer than before, clearly hurt by the om incense wood, but his face revealed a cold smile. With a movement of his body, he unexpectedly charged directly at the gray light surrounding the cage.
"What are you doing, seeking death!" The Sea Monster Emperor was greatly shocked and hurriedly cast a spell.