Learn English – single word for “moving unhinderedly”

For example, in a novel, if someone is so powerful that no one can stop him, something like this would be said:

He [insert word] in the continent [or some other location].

"Moved unhinderedly" somewhat fits it, but it doesn't really seem like the right term.

The word I'm looking for describes a few things:

• Should have an implication that the person himself is powerful

• That person can go wherever he wishes to, and cannot be stopped because of his strength

• That person can do whatever he wishes to, and like above, cannot be stopped because of his strength

The other word I have is "swept", i.e.:

He swept through the continent.

I used "swept" because when you sweep the floor, nothing stops you and everything is swept away, similar to the example. However, the dictionary definitions don't match up, so that isn't the word either.

Any suggestions?