After the Collapse of Tiandao, I Became a System Hunter

My world is gone. After being ravaged by numerous system pigs and time-travelers, the way of heaven collapsed, the sky collapsed, and the rules were reversed. Even if there are all the immortal saints suppressing it, it will be difficult to stop the invasion of heretics and time-travelers who build and deliver the system. At the last moment before the world's demise, all the gods in the sky and the remnants of Heavenly Dao worked together to send me, a fool who had rejected the system due to an accident, into the long river of time and space outside the world, in the hope that I could reverse the past and future and save the world...