Let the gentle, kindly phantoms haunt us as they will; we are not afraid of them.
Source

I an confused about the phrase "as they will" – does this "will" means an intention? Like, "all they want?"

I'd like a native speaker's comment.

Let the gentle, kindly phantoms haunt us as they will; we are not afraid of them.
Source

I an confused about the phrase "as they will" – does this "will" means an intention? Like, "all they want?"