He was a god, but he killed the one he loved deeply with his own hands. His soul suffered the punishment of Ling Chi, but his body was like a puppet in someone else's hands.
He also killed all her people, and then sunk himself into hell before enshrining the people on the altar.
When he was dying, he made a wish to the God to whom he was willing to give everything, that he could reunite with the lover he had failed to live up to in this life, and give her peace for the rest of her life.
What he said when his soul entered the Nine Netherworld was that even if there were thousands of bad consequences, he was willing to bear them alone, but why was she the one who suffered this bad consequences... He no longer wanted to live for others, he wanted to be selfish for a while, and the one he loved, even if he had to compete with the sky, he would have no hesitation and would definitely protect her.
She was a fox demon who fell in love with a god, but was killed by the god. She was unwilling to accept it and eventually became a god. However, the person she wanted to kill had already fallen into the demon world and became a demon king.
This story is not made up out of thin air, but started from a recurring dream...
Intention: Loving someone is always based on your heart and not your destiny, but even if fate cuts you off, your pure heart will never be broken.