Mortal? I Have Thunder-Type Tianling Roots

[Traditional Cultivation of Immortals + Upgraded Cool Articles + Tianjiao Style + Not a Wasteful Man + Both Parents Are Still Alive] Li Jingtian traveled through the world of cultivating immortals and became a mortal boy in a drug store in Qingniu Town. His father was just a low-level Qi-refining monk. The Xuantian Sect accepts disciples every three years. He went there with the mentality of giving it a try, but unexpectedly detected the top-grade thunder spirit root that shocked the past and the present, plus the Kongming body that had never been seen in ten thousand years! Instantly detonated the whole place! The elders of Jiedan lost their composure on the spot in order to snatch him away. They were so furious that they even alerted the Supreme Elder Yuan Ying who was in seclusion and showed up in person to recruit disciples tyrannically! Just when everyone thought that his myth would be composed by this incredible talent, no one knew that Li Jingtian's real trump card was the mysterious apple that he had eaten for several years and could regenerate infinitely! Top grade Lei Linggen? The body of emptiness? Just an appetizer! While others were still struggling for a trace of aura, Li Jingtian took a bite of apple every day, and his physique transformed crazily, and his cultivation speed increased by leaps and bounds! Unstable foundation? Doesn't exist! Not strong enough? What a joke! At the seventh level of Qi refining, he can crush the sect's senior genius with one finger! Empty and clear, invulnerable to all forces, invincible at the same level! The perfect foundation was built at the age of nineteen, which even led to the vision of "three flowers gathering at the top" of heaven and earth, shocking the entire sect! Let's see how a young man from a medicine shop turns his supreme talent into absolute strength with the help of a mysterious apple. In this cruel world of immortality, he rolls up thunder and reaches the top of the immortal world!