weakest snake to strongest dragon with cheat cultivation system

I used to be a human, but now I'm a normal snake in a cultivation world.
god said
"it is dangerous to have memories of the modern world in this ancient time so I erased his memories."
Satan said
"HAHA! he won't be able to cause disaster in that puny body! I will just give him this cursed book even I dare to open!"
god: "..."(°-°)
me:"!"\(°^°)~[]