Its no longer fun as it is very difficult to get 5* event heroes even if you use your money still no luck. My advise to other is don't spend any money. Just play for free and dont have high expectations of getting 5* heroes. The developer doesnt know how to make the players happy. My suggestion they can introduce something like a bonus draw (i.e. 50% chance of getting 5* heroes) after you done 30 pulls. It is something they should implement.