Reborn As a Spirit Cat, I Devour and Evolve in the Cultivation World

[Absorbing and evolving, invincible, system, decisive in killing, transforms into a white-haired catgirl, no romantic pairing, the entire story is primarily in cat form] Evolution: I ate myself into a catgirl. Xu Feng unexpectedly transmigrated to the world of cultivation. It became a little civet cat. At the start, it almost became fish food. In this world where demons roam freely and immortals reign supreme, it felt that the future was bleak. Fortunately, I obtained the system panel, which allows me to evolve infinitely by devouring others. Since that's the case. Xu Feng was the first to devour the fish demon that was preparing to rebel against the Heavenly Gang. Do roadside weeds give evolution points? eat! ... Are the mice in the valley plump and delicious? Eat, eat, eat! ... Elixirs and miraculous herbs? Let's keep eating! ... Through his diligent absorption of the nutrients, Xu Feng finally reached the Golden Core stage. "But someone tell me! Why did I turn into a catgirl???"