critical damage bonus

Hi all.
I have a question: my 31lvl outlander scores very different critical hits
i use glaive throw and sometimes its 2000 sometimes 5000.
why so much difference? glaive throw min and max damages are not so different.
my stats are something like this:
+85% damage from focus
+96% poison damage
+194% critical damage bonus
290-350 glaive throw damage
I have a question: my 31lvl outlander scores very different critical hits
i use glaive throw and sometimes its 2000 sometimes 5000.
why so much difference? glaive throw min and max damages are not so different.
my stats are something like this:
+85% damage from focus
+96% poison damage
+194% critical damage bonus
290-350 glaive throw damage
0
Comments
or maybe i cast it so fast (about +38% cast speed) that 2 hits are counted as one? is that possible?
The obvious experiment would be to fire glaives at a slower pace (<1/sec) to see if you can repeat this ~5000 hit. If you can, then something else is going on here. If, after a reasonable number of samples, you can't, then it's a reasonable induction that the "two damage packets rolled together by the overhead display" hypothesis is correct.
StashNinja - INFINITE Stash for Torchlight 2
NullMod - Play together in the same multiplayer game with different mods!
Display Dmg is total dmg on target in X second( x is quite small).