Electrocute
There is a discussion about this spell compare to thunderstorm.
viewtopic.php?f=812&t=23490&start=10
The truth is thunderstorm is way better with consistent damage output and on top of that, crit hit doesn't affect monsters with invincible (and all later tough map bosses (or world boss, boss raid) come with invincible).
Can electrocute be slightly changed? Maybe also increase its chance to paralyse monsters (even though not working on invincible, but at least help on normal monster to compensate the fact crit hit doesn't work on bosses)?