[No system + double time travel + spiritual energy recovery + sister + decisive killing]
The spiritual energy is revived, the prehistoric era has begun, strange beasts are everywhere, and the immortals have left behind.
In the golden age, hundreds of schools of thought are contending. If you want to find the right path, you will risk your life!
...
Geniuses walk among the stars; immortals sit and lie on the long river.
In his previous life, Jin Lin was besieged while setting up a reincarnation formation. He had no choice but to be reincarnated in advance and traveled to a world very similar to modern society.
It feels like the spiritual energy in this world is thin!
Oh wait! The big one is coming! OK! The spiritual energy is revived!
Practice! Practice hard! No one can stop me from practicing!
Wrong! Why is my cheap sister different from the sister in the original owner's memory!
It doesn't matter anymore! Just practice!
