For persistent symbols if the banner top and bottom (that says persistent on top and the symbol name below) is gold it’s does to all squares of its grey it only does the 8 squares around the symbol. For no. Persistent symbols of its grey it does all if it’s black it does the 8.
I’m sure most know this but thought i would post anyway as I’m just watching the single slot series and knew bandit would do his pan in about it haha