Originally Posted by Jehla

Just as you though things could not get any worse... Blizzard "fix" elemental mastery so you can no longer double crit. Problem is, you can also no longer crit while chain casting.

Here are 3 separate tests. I fired a few bolts then pressed EM with bolts still in the air. And poof EM no longer gives a crit. If you feel like testing this yourself (I know I would) don't do it by activating EM then firing a single bolt, since that works fine.
http://img512.imageshack.us/img512/4...notokaycu0.png