Longevity: a Long Period of Time in Charge at the Beginning

[Immortality + time ability + no system] (In the first volume, the protagonist's ability has just awakened and is still relatively weak. From the second volume, he is completely invincible) Seeing the rise of geniuses, seeing the demise of heroes, and even seeing mountains and rivers turn to ashes several times. Time has rolled over all living beings, but he alone stands on the long river of time. This body is immortal, and there is no turning back from this road.