you build first stalker blade you will smite for get speed and get close easy to him and close you are more damage you deal
then second death dance because youa re a fighter
if you fight with high ap you need maw of malmortius

either you get killed so ez
bloodthirster is also good in fights or when you escape you can refill your hp fast and join fight again'
infinity is high damage item if you are good and don't die so easy and you have a good match you can build infinity in late