I Am Invincible, and a System Is Coming to Me

As long as I complete the training in this life, I can become immortal. Damn it, there is no aura of heaven and earth in this world. It doesn't matter, I am a genius, even if I don't have spiritual energy, I will succeed in cultivating immortality! Activate the system Binding to host.... Binding failed. After 24 hours, the system upgrade was completed. What? There is actually a system? Naive, I have been reincarnated for nine lives, the system is useless! Oh? He actually traveled through another world to save the world. Take a look. Damn it, the aura of heaven and earth in this world is too strong! ! I love it, the system! ! Save the world, just save the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.