This is my opinion, the only recent good rework, revamp, or whatever you want to call it was Kayles. It's pretty impressive, and I'm still impressed by it and Zoe's animation.
On the other hand new animations added to akali, and morgana, ect... is giving me seizures, they are bad, and it makes the champ look goofy and out of character.
There's nothing cool about the way they walk or move, take morgana for example, I can't tell if the champ is having a seizure or that's just the way she has to deal with her condition.
Before creating a walking animation I think Riot should ask themselves, would they walk like that in real life?