Help! From the Start, I Turned into an Eel and They’re Going to Cook Me!

“What? I’ve turned into an eel? And someone’s going to cook me?” Lin Yang was utterly bewildered when he awakened the Devouring System. When he encountered small fish and shrimp, he devoured them. When he encountered powerful animals, he devoured them. When he encountered mutated ferocious beasts, he still devoured them. What should he do after getting stronger? Obviously, find out why the world had become the way it was.