Your poll question does not correspond to the Yes and No in the poll. But your 5* has no depth, so you should keep upgrading 4*s.
Your poll question does not correspond to the Yes and No in the poll. But your 5* has no depth, so you should keep upgrading 4*s. I see, my bad. What 4*s should I upgrade?
4*s only good for arenas now. So if your a grinder go for em otherwise don't bother.