Fifteen Years of Immortal Cultivation, Invincible the Moment I Descend the Mountain

[Modern cultivation + invincible protagonist + no/one female lead + the Myriad Worlds] A mighty immortal who roams the mortal world happens upon Lin Fan, a young man born with an eternal immortal body, and takes him in. From then on, Lin Fan becomes the strongest person in the mortal world in just fifteen years. But a tribulation awaits him there. Watch as Lin Fan descends the mountain and stirs up the world. If he overcomes this tribulation, then “Heaven above and earth below!! I alone reign supreme!!”