Urban Cultivation: Invincible After Being Released from Prison

Three years ago, Zhang Ruofan's family was framed and the entire family was killed. He was also bound to die. It was Jiang Qiuling who risked his life and was imprisoned in the Netherworld Prison. Three years later, he was the king of Netherworld Prison and an immortal cultivator! Zhang Ruofan was released from prison with an invincible appearance, and he was happy with his revenge! I vow to become the Immortal Emperor and live forever in this world! If you are kind to me, I will repay you tenfold! Anyone who has enmity against me will retaliate a hundredfold!