What is for Critical Damage (example Wind Rider)

Dyes:
Str or Dex ?
Or
Skill:
Critical Damage get higher from passive skills you learned ?

Or both ? Dex/Str + Passiv Skills

critical damage is from CD SA

So it is impossible to get the crit damage higher with dyes ?

through patk modif. (through str stat) but meh..its gona be unnoticable since patk is not the real factor(test blows with ng and with s gr dagger - unnoticable)