Traveling Across the Great Kyushu: Cultivation of Immortality in the Doomsday

I was on a fatal flight, and everyone on board was a "destined child." The King of Hell said I didn't deserve to die and sent me to the world of cultivating immortals to start over again - but ended up being reincarnated in the doomsday world? Immortals and gods fight each other and wars continue, and heroes and heroes compete to appear. In this magical continent of Kyushu, there are mortals who plot against the immortals, there are pillars of heaven that have not yet been broken, there is the vast expanse of the sky, and there are ruins under the sky...