Shieldbreaker Murdonn was a fel-crazed vrykul who broke through the outer defenses of Dalaran, and made it all the way to Krasus' Landing. He was accompanied by a felbat named Fangs. They were taken down by the champions of the Class Orders.
He was very likely a member of the Felskorn.
- Patch 7.0.3 (2016-07-19): Added.