reacts on fedi are like badges in pokemon
>heart from Blouie
>sob from a varis user
>pogey from nugger
>shrimp from d
>clink from Lyle
>fire from ChristiJunior
>smirk from skizm
>coffee cup from tyler

if you get them all you can fight the elite four. It's just graf, matty, nozaki and vari from varishangout and they beat you to death in an alleyway with a tire iron.