^ What they said. But I don't think anybody's actually answered your question yet either - the rate of actually killing in one shot.
My guildies and I like to dick around with that skill while we vanquish for the lulz (btw it's not a very good skill) - from my experience most squishies in HM will die in one shot from the +828, while rangers, sins, dervishes, warriors, and paragons will pretty much guaranteed survive - in fact warriors usually laugh in your face and only take ~250 damage. 70 armor characters (rangers, sins, dervs) usually are almost dead to the point that a Cry of Pain or something takes them out. Caster bosses usually lose about half their HP, while other types of bosses will probably only lose 1/3-1/4. The keyword in there is
piercing - a lot of enemies have good armor against it.
Meth ninja'd me
