I downloaded this new add-on this morning called “NPCScan“, it’s purpose is to watch wow for you so that you can be alt-tabbed out doing something else or just generally not paying attention for a rare spawn. The purpose of me having this add-on is to aid me in finding the Time Lost Proto Drake, which you can kill to get a mount (a time lost proto drake mount). Anyway, it shares a random very low spawn rate with a few other mobs, which are both rare. I was in the middle of a problem a few minutes ago when I heard the horns go off. So unexpected I barely knew what to do! Five minute later, look what this Holy Priest is capable of:

Dead by Trihedron @ 3:40pm on July 22nd on Ghostlands