In case you didn't know...

Riven's "Valor" shield is the only form of tankiness and survivability in her kit. She has some of the lowest sustain of any top laner, she has no HP regen compared to others, no natural healing, lifesteal or spellvamp. Baseline she has a lot less base tanking stats. And no other tanking steroid in her kit. Suggestions to increase the cooldown of her only way to dodge damage in top lane, or to nerf it so it's only an all in tool, are literally asking for a gutting.

Yesterday I was watching some Riven streams, and I noticed every time the Riven came out even or slightly ahead on HP they said they lost the trade. Why? Because every other major top laner will get that HP back before the minion wave finishes. Whether it is Trynd's Q or Darius Q or Poppy's shield and insane HP regen and W or just lifesteal. Top laners need ways to mitigate damage. And Valor is Riven's only tool for that. Her high mobility is also her only tool to escape ganks. She cannot just Q and get all her HP back like Darius then double kill. She runs away.

But this goes beyond laning. Riven's only tanking steroid in team fights is a shield that only lasts 1.5 seconds. Which is insanely short compared to many other shields with 3-7 second durations. Again, her only survival tool. So what does it get? A shorter cooldown than MOST shields. Not all of them.

If I could suggest a fix for Riven? Everyone knows what it is. Remove animation cancelling. She does shit in Bronze where people don't know how to use it(45% or less win rates) and too good in Diamond where people do(53% or higher win rates). Removing this turns her into a normal fighter, who can(if necessary) be rebalanced with higher base stats to compensate the sudden inability to burst. She becomes a sustained fighter with mobility and CC and a timed dodge/block, but less base tankiness and sustain than others.

Pros: Makes her easy to balance. Fixes her being OP in high tiers and trash in low tiers. Makes her a sustained fighter, not an assassin. Doesn't touch her only form of damage mitigation(dodging and shielding with E) Keeps the character fantasy and baseline gameplay.

Cons: Lowers her skill cap. BoxBox probably quits. High tier players start saying Blizzard is dumbing the game down. Low tier players still call her OP despite her having a 45-49% win rate in their bracket and call for more nerfs anyway. Probably never used in top tier/LCS again like most melee tops.