how to get fat chicken hero upgrade without luck?
#big fat chicken hero
cerulean yew
edgy topaz
Mom's box, possible reward from Swole, and shop offers. Same is true for Redcorn and Zoidberg. Those are the 3 super-premium heroes.
Keep in mind mom's box and shop offers still require luck, as they pull any hero randomly that you don't have at max.
hot basin
Does Mom's box give super premium? Thought it only did common and premium.
nova trout
I think I got chicken from calendar login rewards. Not sure though