Kai'Sa has been in the Void for years
No, this isn't another "why does she look good?" thread. This is something I hope due to the fact that the Void is supposedly an amalgamation of horrors and abominations the likes of which can drive a person mad. As such, I really hope all of her quotes are basically just her slipping in and out of sanity or something. Another reason for this, is that she has more than likely been alone this whole time with no one to talk to except herself (and whatever voidborn creature that was stalking her/taunting her on any given day). It is scientifically proven that prolonged isolation can make people crazy, and that living with a constant fear of being hunted does the same. So, she better be pretty frackin' stark raving mad. It just needs to happen.