Where Is the Path to Immortality?

I originally aspired to become a high official, but I was struck down by an old man with lightning. I was brought back to the sect to start cultivating immortals without thinking. Originally, I just cultivated immortals, but it turned out that I still had useless qualifications. However, an unexpected incident changed everything. Ten thousand years later, I reached the top of the Tao! ! ! However, looking back thousands of years later, there will be no one in the mortal world, immortal? What is a fairy? Where can I find my way to immortality? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.