The fact your are questioning this means you know the answer. That you would do so publicly suggests you are looking for acknowledgement of such and validation that ending it is the answer. You have gotten that from the forum.

As I often ask, in what way is this relationship an advantage to you?

In addition to the assaults what are you getting out of this? In what way is he a giver to this relationship? Would you say you are an equal?

For your physical and emotional safety, end it.