What should I do next

Diminisher

This is my current roaster so what should now I do please help

The_Boss253

I would most definitely start ranking up some of your 5 stars. Your 6 stars aren't that good, but some of the other 5 star champs you have (like Hulkling, Juggernaut, Domino, and Wiccan) can get you through a lot of content.