Yellow Springs Demon Lord? Instantly Refined!

Although he had awakened the latest in this life, and his body was already riddled with terminal illness, fortunately, this final stretch of time had been relatively peaceful, without too much trouble. According to his memories, whether it was his sons and daughters or younger descendants like his granddaughter, they were all fairly filial. At the very least, they would certainly care for him in his old age and see him through to the end. Even with a terminal illness, they had actively sought treatment for him.