I Am a Useless Person Who Cultivated Myself into an Immortal Emperor by Praying for Death.

It was only after Jiang Han died that he found out that he was the cannon fodder male supporting character in a fairy novel. Reborn a hundred years after his death, he was surprised to find that he had a death-seeking system. The genius fiancée who killed him in his previous life, the elder of the sect who deposed his cultivation, the genius of the immortal sect who stepped him into the quagmire... Will everyone in this world come to him for revenge? Jiang Han looked up to the sky and laughed: Great! Please kill! Asking for abuse! Please be tortured severely! However - how could he remain dead and become the most terrifying immortal emperor in the immortal world?