Time Travel, Starting from the Immortal God of Medicine

By chance, Zhang Chong's mood fluctuated because of the book, and he accidentally got the designated time-travel system. So Zhang Chong began his journey through time. In each world, Zhang Chong collected the five elements of metal, wood, water, fire and earth, the four elements of wind, thunder, light and darkness, the two attributes of time and space, life, death, soul and destiny, which are composed of four world operations. Then use the method of the Eastern Golden Elixir to turn it into the Chaos Golden Elixir, nourish itself, and transform into the body of acquired chaos. Then it travels through the prehistoric chaos, using the innate chaos to follow the acquired chaos, and achieves the great road. During this period, you can enjoy the plot in each world or follow the plot, or change the original plot that you don't like. The first world is the world of immortality and the god of medicine. Dear readers, this is the first time the author has written a book. Please be gentle in scolding if the writing is not good. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.