first Start with blade or Cull next are you core items Shiv and Firecannon first you build shiv if you have enough money buy boots if not wait for boots after you firecannon. After this you get the Infinity for the crit and dmg boost or essence Reaver for the cdr and heal choose one of them last whisper at the end and ggwp you have the op season 6 build you last item is optional