In the face of Yuantong Immortal Venerable's promise, Black River Heavenly Monarch's expression became serious.
However, he did not hesitate for too long.
Yuantong Immortal Venerable's favor was indeed precious, but he still couldn't agree to spare Jing Yan. He desperately needed the Netherworld Heart in Jing Yan's possession.
Black River Heavenly Monarch was a cultivator with great opportunities. Integrating the Outer Heaven Black River was an opportunity that countless cultivators dreamed of. However, after he fused with the Outer Heaven Black River, his realm remained stuck in the Immortal Rhythm Level. He tried many methods but couldn't further break through.
