There was an extra special message that needed delivering and the howler was on a mission. Had to make the recipient KNOW and had to do so with as much zeal as is to be expected from a howler.

Down the corridor it zipped, aware it was arriving at it's destination but when it approached the ghost it went right through, darting down the corridor.

What what what?

No one was escaping the howler today! It reared around and charged again...going right through a second time. Welp, it could do this all day til it exploded.