User blog comment:Krankenheimer/Critical Strikes/@comment-9533487-20140420040910

Here's something you may not have heard of before, but which I think would work great to solve much of the RNG in critical strikes: PoE's chance-to-evade system.

Essentially how it works: assume you have 10% chance to evade a hit, the system picks a number anywhere 1-100, whereas 1-10 are the values that mean you evaded it. If you didn't evade it, the next hit will be a chance 1-99 next one 1-98 and so on, but it remains that you have 10 numbers which indicate you're not hit--and if it picks one of those, it goes down to 9 numbers until the process is done and it has to repeat itself.

If this were the math used for crit chance in league (albeit turned around to work the opposite way) it would mean that, as soon as you hit 50% crit, every other hit would crit, whereas the other hits are guaranteed normal attacks. You'd KNOW when you had a crit ready if you paid enough attention, and it would remove the frustration of dueling someone with equal/similar crit chance and not getting as many crits simply due to RNG.

In case of confusion, a little reinforcement: 60% crit would mean 3 out of every 5 hits are ALWAYS going to be crits, and 2 ALWAYS won't be.

I think it would be fun going into trades with those prepared crits, or waiting out others' before trading, finding the optimal number of auto attacks with which you should trade for certain crit chances to maximize damage dealt while minimizing damage sustained, and so on....a lot like we do already with cooldowns!