Not sure if this has been reported but I just now noticed it wasn't actually fixed in the latest patch.
AOE skills that deal deal damage of type Target increase in damage the more targets you hit when you crit.
The bug applies to Winterblast/Pressure Spike/Crippling Blow/Grasp of the Starved/Etc
The bug in action:
https://www.youtube.com/watch?v=fjuKL88IhDY