Because many point in W you can poke all off lane with the damage and cooldown.

With the item build you can also use right click ability to provide lane pressure and poking.

Many point in W maen it has lot of damaging to it when land on enemy player.

U press your button but make sure W is hit or you no having damage from ability because many point in W.

BF has lot of synerging wirh spell so we buy lkot.

But we need bambi cinder because it synergy with your playstle u am like deer, you run arway all time and play dead meen u need fake DC to baiting enemy team!! :D