Slendermane: Missing Sister

Scootaloo is missing. Mysterious vanished. Rainbow Dash is very worried about her little sister, and things soon grow form bad to worse when Goldie Delicious arrives in Ponyville to inform the ponies that Scootaloo had been taken by a creature known as Slendermane. Desperately wanting to save her sister, Rainbow Dash makes it her mission to confront Slendermane before it's too late