i dont think it crits i know w/e the left click thingy is does i watched mine crit for like 300k same for the #1 button itll crit too i think if disintigration did crit itd be mega op
Disintigrate CAN crit, but you'll never see yellow numbers because they just get rolled into the white numbers (disintigrate ticks many times per second, but damage numbers only show up about twice per second per mob). I have no idea if it can proc CM though.
critical mass and archon