The World of Xianxia: After Death, You Will Still Be Played by the System

The system is female and it is a very mysterious system. The protagonist Shen Qian was tricked into the world of immortality by the system after his death. This world, Immortality seeks immortality, The strength of the warrior confuses the gods, Demons are rampant, Living in such a world, Every plant or tree may be a stumbling block on Shen Qian's path to immortality. Can the protagonist do what the system says? Climb to the highest peak of immortality and become an invincible existence in this world. (Unable to describe the introduction, please read the text)