Better solution would be for W to not work with R and not give double damage.
It's bad enough that it can reduce armor so much. It's worse when they start building to completely immobilize any champ even tanks with 21 points in the defensive tree can't get away from her.
Do to such builds that consists of TF and the merc scimitar that increases movement speed by 50% for melee champs which makes her become not only insane in dps, insane movement speed, ridiculous hp, and a bs passive giving her a barrier as well.
I honestly didn't think people would exploit her like this but by the 4th day of her release people have started to do so only chance people have of killing her is at level 1.