BUG: Stuck in Personal Storyline mission.
I see nothing in your attachment. You can remove attachments by editing your post (with the little pencil option).
Here is a walkthrough: https://wiki.guildwars2.com/wiki/Tower_Down
If you continue to have issue, you can contact the CS Team via the ‘Support’ link above/below and ‘Submit a Ticket’ for assistance.
Good luck.