I am Still Strong in the Demon World

Traveling to the end of the dynasty when demons appeared frequently and warriors were rampant, the impoverished and sick Lin Xuankong found that he had the fate of [old but strong]. The longer he lived, the stronger his talent and understanding would be. At the age of fifty, his cultivation speed increased by fifty times, at the age of eighty, it increased by eighty times, and at the age of three hundred, it could increase by three hundred times... Thousands of years later, Lin Xuankong , who had long since recovered his youth, suddenly looked back and found that the countless powerful enemies he had killed had turned into dust and disappeared. The willow tree he personally enlightened had become the master of hundreds of millions of demons! The full moon on the boat has gone from now on, and immortality is originally a lonely person.