I posted a more detailed review of the ShadowFlare in this thread:

http://www.spacetimestudios.com/show...63#post1335463

Probably the most disappointing part of this is that on a charged attack you have 75% chance of getting nothing (no crit reduction or snare). And the snare is pretty much useless given its short duration and while 30% sounds like a lot. Your movement isnt really limited.