Is My Power a Waste of Time?

One day, Fang Nian awakened to the power of time. But after trying it, he was a little dissatisfied: "No... Is this a waste of time?" It wasn't until many years later that he became Superman. One punch is invincible. Travel thousands of miles in an instant. One breath stirs up a storm. A sound that destroyed everything... "Wait, isn't my power about time?" "Forget it, it doesn't matter so much." Fang Nian stood high in the void, looking at the world. "My world... Is a little dirty." "It's better to train him properly." … PS: Superpower development, only my own method, invincible writing, no female protagonist.