YOU and jinx are in a rock band together but you absolutely hate each but you guys have sex when your drunk or like need releasing,The band consists of Vi is the drummer,Caitlyn is the singer,jinx uses the electric guitar,And use the bassist. And the way i interpreted it at least, what jinx received after the fight on the bridge was a sort of shimmer infusion. she's got that stuff running in her veins, and jinx is basically 50% shimmer at this point.