you just hang back and throw crows in lane, dw bout anything else. if they hard commit to your adc just crow fear drain ignite, and they are done for. After six you maintain vision control and look for a good place to ult from, your ult plays are key, you can 1v2 most bot lanes as fiddle with ult, just make sure they dont see you coming. The combo is ult-fear-crow-auto-drain, This will oneshot anything less than a 10/0 chogath with an adaptive helm.