What do you guys think of Kai''sa?

I like the concept but man I am afraid of what RIOT is doing right now they are rushing champions out, if they don't give her enough time on the PBE to test her efficiently she will be broken someway or another
Like ZOE she was so OP in high Elo in useless in low Elo she was basically a new Azir !
And the way RIOT found to balance her ? Nerf to the ground so no one is playing her anymore !