I'm glad things have settled down now mate.
Hopefully you can retain that sense of safety soon.
People like that are all bark and no bite. I wouldn't worry about him coming back. I'm sure he's off doing whatever he was doing before your lives intersected.
I'm sorry you had to go through that. I had to leave home when I was 15, so I know a little of what it can be like with the uncertainty and not feeling safe.
Things will be OK โค๏ธ