My Understanding Is Incredible, the Country Asked Me to Create Dragon-Killing Magic

Jiang Cheng traveled through the magical world and became a student about to take the college entrance examination at a key magic high school in the magical city. Fortunately, he awakened his talent to the full level of understanding and became the provincial champion. He was selected into the key class of Capital College and attracted national attention! In this world where giant dragons, demons, and gods are rampant, and the human race is in danger! At the request of the country, Jiang Cheng used his heaven-defying understanding to break the plight of the human race and created many heaven-defying magics! You thoroughly studied the characteristics and habits of the dragon clan through books, and you had an epiphany and created dragon-slaying magic! Through your battle with the dragon, you had an epiphany and created the dragon power training method, giving the dragon slayer magician the power to rival the dragon! By studying demons, you learned about their abilities and characteristics. You had an epiphany and created a demon-killing method and a demon-power cultivation method! By studying the gods, you learned about their abilities and characteristics. You had an epiphany and created the magic of destroying gods and the cultivation method of divine power! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.