What does Void of Madness actually do

[Xsarec]

It says gives you random buffs, but what buffs are they talking about?

[Evito]

10 second buff everytime you crit, you can have em all up at the same time too.
magic damage proc
crushing damage proc
base spell damage buff
crit damage buff
weapon damage buff
magic damage buff

[Xsarec]

Thank you