After the Emperor's Death, He Was Reincarnated into a Dog?

Story summary On the night when I became emperor, before the wedding candles were over, my fiancée put a dagger into my heart with her own hands! She ruthlessly united with the eight most powerful saints to divide up my ten thousand years of cultivation. They thought that by getting rid of me, the "obstacle" that monopolizes the destiny of heaven and earth, they would be able to usher in a prosperous age that belongs to them. God showed mercy and allowed me to be reborn as a dog with a ray of my soul. From that day on, I dragged this humble dog's life, climbed up from the mud, and survived in humble circumstances. I searched for the elixir of transformation to reshape my body, went through mountains of corpses and seas of blood to reunite my cultivation, and stepped on the edge of a knife every step I took. There is only one thing that has supported me in my life till now—— Revenge. I swore that everyone who conspired to kill me would pay a price. I want to get back everything I lost back then...