what is your summon and talents alongwith other ninjas? i can only help then.

upgrade your sasuke to 3* to get best out of it, for now i can help you with this.

x x x
kakashi main hinata
x tobi x

get blue snake for now, then white snake, shark summon (best goes with most combos)

use celestial prison instead of fire ball jutsu.

sasuke main oboro clone
x tobi hinata
x x x

fire ball instead of celestial prison in this stage.

with shark summon, dont forget to get kakuzu, hidan, kurenai and karin. kokosho deer is also good in some combos too and ape too.