I'm Reborn but I'm Not in a Good Mood

Is rebirth a good thing? Certainly! Because rebirth can lead to another life without any regrets! Repay kindness with kindness and revenge with hatred. In rebirth, we must take advantage of foresight and foresight to step by step towards the pinnacle of life! However, Shao Jue, the protagonist, was reborn with two thousand years of general memories of cultivation to the time when he had just traveled to the vast continent, and then... Invincible, how should I put it, although invincibility is very happy, but what is the slight sadness that always exists in me?