The Harrowing map did NOT break the old map
Here's the new map that came out with the Harrowing stuff: http://i.imgur.com/s8AvwWp.jpg Here's the old map: http://i.imgur.com/lb9Dw5x.jpg Here are those maps slightly altered: http://i.imgur.com/pFFd3dK.jpg http://i.imgur.com/966ZsAb.jpg
So, no. Riot didn't break the map. They can, but they didn't with this.
is a Black Mist victim/being.