The one we have all been waiting for, Darkbishop Benedictus converting the class to the dark side - where some might say it rightfully belongs. Priest, after all, has always been quite evil when we had to play against its endless answers. Luckily, this isn't forever healing Control type, but a far more proactive focus with direct damage options. 

Habugabu has been doing quite well in the shadow realm, still seeing areas for improvement. For example, double Rustrot Viper might not be necessary if we are not facing greater numbers of dangerous weapon classes. And Psychic Conjurer is debatable when we consider other alternatives.