I'm in the World of Immortality, Killing Demons and Demons

(No heroine + Decisive killing + Protagonist does not talk nonsense + Swordsmanship + Demon slaying + Copy of the world in the painting) [Name: Ning Yao] [Realm: Crossing the Tribulation Realm·Heavenly Tribulation] [Kung Fu: Sun, Moon and Star Technique] [Sun, Moon and Stars Technique: By absorbing the power of the sun, moon and stars, you can enhance your own skills and gain sun, moon and star points] [Value of Sun, Moon and Stars: Thirteen thousand points] … Traveling through another world, Ning Yao became the eldest son of a small family, and he carried a mysterious picture with him. Ning Yao came to the world in the painting, survived one disaster after another, and embarked on an unknown path... At the same time, the door to hell opens, and countless demons descend to the lower world to cause harm to the world. … When the dying tree demon begged for a way out, Ning Yao's only answer was the Qingfeng sword in his hand. From now on, I will slay demons and settle my grudges happily! … The sun and the moon are in the same sky, ten days in the sky, a bloody crescent moon... Five hundred years later, the door to hell opens, and evil energy sweeps across the world. At this time of crisis, a monk who calls himself a demon slayer travels around the world, slaying demons, eradicating evil spirits, slaying demons and defending the way... … My name is Ning Yao, and I will not tolerate anything...