Return of Reckoning

They're obviously terrified of all the Magus'ses deadly daemonic monstrosities and want to cut them off at the source.

I was leveling in that zone too at the time, and I wandered into the event as well. After getting kicked from the server twice I took the hint and went back to questing and my level wasn't reset. So it seems to me like there was event protection, and the fact that you fell victim to it is nobody's ...