Infinite Double Super-Evolution Training System

[Killing wind, invincible crushing flow! "Ding, you punched once, and you gained 100x2 experience points." "Ding, you punched twenty times, and you gained 100x1024 experience points!" Songhe Wanshou Fist was promoted to the top skill, and his cultivation was promoted from the second level of the physical body to the fifth level of the physical body! It is a system that can infinitely double and evolve the skills. One punch will double, twenty punches will double twenty times, and there is no upper limit. Infinite doubling, cultivation can easily reach the peak of the physical body, and immortality. Do you need to practice for tens of thousands of years? I am still exhausted and afraid of being struck by lightning. I have a doubling system, and I can become an immortal at will!