i feel like that if you fall behind with Pyke,youre behind the whole game and youre almost uselss

Is it just me? Ive playing countless times Rengar support and if it worked they would surrender at maximum 20 minutes but if it gone shit i was useless untill i got 1-2 items and thats because unlike Pyke Rengars combo is much faster and the enemy do not have that much time to react

Now with Pyke i fall behind and im a zero since he is designed to go in but doesnt really have any tanky stats,nor does he have a way out unless he goes in with Q flash (and if he deals enough damage in order to kill them) then presses R and uses he W+E as an escape tool? But lets be real you always use your E and W as an engage tool and then execute with your Ultimate.

Plus his damage is low if he is behind so adding those two things up i cant really do anything? You cant even sneak past them and engage from behind since his W makes the enemy know that you are close...I still cant seem to understand why his W alerts them..evelyns passive doesnt alert you unless youre inside her "circle"

Anyway if you are fed its over though.