I Have a Fake System for Traveling Through Time and Cultivating Immortals Without Spiritual Roots?

The path to immortality is vast, and people in the world have spiritual roots since childhood, which can lead Qi into the body and set foot on the path to immortality. However, Qin Yi, who came from time travel, has no spiritual roots and can be easily wiped out like a rat crossing the street under the rules of heaven. He relies on the help of the system to survive with his soul. But! Why! Why do they have spiritual roots and I don't! Why can they become immortals through cultivation! But I am always being watched by Heaven! Shouldn't I be the protagonist? But why can't I even cross the threshold of cultivating immortality? I'm not convinced! Even if I don't have spiritual roots, I still want to live forever!