Guild Wars 2

Last boss rifts appear in ground has collapsed, I provide image for example.
http://i.imgur.com/eWmQ5sb.jpg

P.S. I prefer to do living story solo. The part where you have to fly seems pretty unfair. The pull skill, fail to be launched in the air and open your glider providing you wont get pulled or thrown down by the rocks he launches. Oh, and the damage is increadibly huge. Spent 4 hours on this.