There are thousands of Fortnite skins, but not many of them have anything unique to offer beyond their visual designs. The skins in the Five Nights at Freddy’s Set–Freddy, Bonnie, Chica, and Foxy–are among those rare exceptions, though, in a way that we haven’t seen before. These skins don’t just look uncannily great doing Fortnite dances–they also do something that no previous Fortnite skins do. A small proportion of Fortnite skins are “reactive,” meaning they can respond in some way…