The writing is scummy, it may be a trap, please be careful and ask for a gentle pat.
The male protagonist is reborn in another world (the background of the novel) to cultivate immortality. He upgrades the ordinary routine to become an immortal, cuts off his legs to produce food, and wants to see his efforts to become an immortal without any emotional connection.
After Liu Yueting was hit by a car and died, he was thrown into another world by a man who called himself the Soul Ferryman, starting a journey to another world.
As the bastard of the Liu family, he was sent to the sect to practice because of his talent, and was later involved in a series of conflicts.
Another world (novel background): Liu Jinyu (original male protagonist) was gifted since childhood, and was sent to a sect to cultivate immortality. She devoted herself to the Tao, but unexpectedly she was jealous of others. After her master ascended to the throne, she was framed and died.
After Liu Jinyu's death, he was brought back by the family's magic weapon - the Mirror of Rebirth. Before entering the sect, he searched for the person who killed him in his previous life, worked hard to become an immortal, and ascended together with the heroine (Fang Xi).
Intent: A cool piece of writing with a golden finger