Ever been to turn 5? If you have I'm sure you've seen the "Omg RNG" spam in party chat when the tank randomly dies every now and then to 10-14k DMG instantly....

Because occasionally twintania will death sentence at the same time she pummels and immediately follow with an auto attack with no delays....

RNG is bad.

Sure Randomness in such a way that you don't know which attack is coming next is ok. But if RNG means it's possible for shit to come at the same time with no delays and no possible way whatsoever to avoid it, then F.... That.....