im a noob player, following zizaran explosive arrow, right now at yellow maps. Im strugling to do dps, like so hard. I dont know what im doing wrong. i feel like something is missing and i dont know what. Could someone explain if its obvious what im doing wrong?

my build: https://pobb.in/vBGWokQkaBkf

zizaran build: https://pobb.in/EziUblJ_q1MH