https://www.youtube.com/watch?v=u7isS2CbnlQ
vayne players were rushing crit and damage, her ulti damage combined with tumble could 70-0 a squishy, look at 30:10
Now how is vayne going to be with the nerf reverted? she used to deal so much damage to squishies.
Riot said that vayne should be a tank buster, this decision to revert her damage isn't going on this way...
Twitch Chat3 votesi think at this point the balance team has forgotten how league used to be. just put old vlad passive and vayne tumble scaling back in the game because those totally weren't cancer before. what could go wrong?
KONO RUBICK DA1 votesLook at 32:40, she two-shoted leblanc. But we can't know if it's going to be a problem because many things have changed.
Twitch Chat1 votesA lot of things have changed but high AD items still exist and so does the flat AD on her ult. You can be guaranteed that at a full 70% damage bonus it will be just as horrifying as it was before.
Ahristocats1 votestake 
for attack speed (berseker now gives 35% from 20%) 
for sustain .then rush 
heck you can even build 
this build will be op as fuck, with ulti you're going to have 300 AD, you will have enough attack speed to kill any targets, you don't even need 
anymore.
King of Mongoose1 votesits going back to 70% in pbe
KONO RUBICK DA1 votesyea that's why i'm asking. Riot nerfed it and now reverted the nerf.
Blumpkin Nation1 votesI think, and don't quote me on this, but it's going to be 70% Bonus AD and not 70% Total AD.
Ahristocats1 votes"Tumble (Q) bonus physical damage increased to 30/40/50/60/70% from 30/35/40/45/50% of total attack damage"
nop, it's wrong. The bonus physical damage is increased, but it isn't saying that it's changed to bonus AD.
Blumpkin Nation1 votesHave you gone on the PBE and tested this for yourself? The text may not have been updated. Otherwise I'm in the dark.