Kayn and Attack Speed

Okay, when i was using the practice tool earlier, i tried out a couple different builds and the best one i tried was Life Steal, and Attack Speed. It is broken af. And that is not even when he is at a full build and at lvl 18. Here is the following build i tried

I recommend these items when going as Rhaast as the life steal will just brake the game. miner tweaks are possible to made if you would like to run these items as blue Kayn.