Kiin and Peyz, Double Lane Domination - Best of LoL Stream Highlights (Translated) 

It's more to do with the fact Kennen is dealing that much damage while being 0/3. AP items are insanely strong.

Someone that behind shouldn't do that much damage.

eheh xd!

New item. On his 3rd slot, it‘s called Cryptobloom. Gives Ap, magic pen and haste. If you kill an enemy there is a small healing field for all allies nearby. 60 seconds cd

2!

FIRST!

3!