I don't mean to be that guy... but...
its*
get -> go
into -> onto (not actually sure about this one, neither seem right, maybe change it to like "The guardians of hell have descended upon this night!")
(just looks slightly unprofessional if you post this anywhere else and people who see that image are like "omfg median makers cant even spell probably shit game")
Maybe another small thing is if someone is killing a boss and this popup flares in your face it can be extremely distracating (espec. hardcore).
Other than that, I like the idea, I like the UI, keep up the awesome work!