Hell's Heavenly Intervention

They said Hell is where bad people go, but what if it was a lie. Instead, it is the Heaven where corrupt Gods rule? Fa Jing sacrifices her life in order to resurrect Yun Fang, who had the most tragic life known to any immortal being. What if the person you are praying is devil in disguise? As the time goes can Heaven change it's way by itself or a revolutionary war is really necessary?