The Universality of Dark Energy

We don't know the nature of dark energy but we do know that the universe is accelerating its expansion. We have to talk about what's going to happen in trillions of years right because in billions of years the universe is just going to be bigger if you're in the milky way things will look roughly the same. The problems are soluble and we don't know that there's a physical law standing in our way of preventing this kind of thing from happening okay? And somehow gathering the energy that's in the universe there's a lot of energy in the universe to prevent this accelerating expansion so can we figure out something that would be able to take advantage of this dark energy and reverse it in some