well i am dual wield as you supposed right allready, in fact i dont have a good shield to wear and dont want to buy on just for an "not" working skill.
i also thought allready something behind "infinite" crits = disable the source from.
just few runs ago i had several times where i cycloned trough mobpacks in docks with a size between 5-20 and in one particular situation 4whirls in a row nothing happend(except life/mana leech)but no crits and even no discharge,its kinda annoying to die "often" cause that gem isnt working properly.
+ edit: also sometimes i press right mouse buttons once=cyclone and then he starts spinnin in the direction i clicked but often after some distance hes starting to spin back-top-south like random spin wich i cant control ?!! ?...working as intended?
edit2:
so now after i ripped 50% of my lvlup into the dirt i made a screenshot ...i whirled allready into the pack and nothing happend with like? 0,25attackspeed=4(multistrike?12) hits, or even 8 if it hits only twice...
i start thinking that my internet connection is bad but not with 10mbitdown and 2mbit upstream.