The Slenderman said
-- He was Is in his God of darkness form, as appeared behind, swinging the scythes towards the being.-- --There are notes here to be found, only death.--
The figure seems to not notice you, until you strike, and the figure simply fades away, like an after image. He moves up into a tree, his suit changing to bend light around it, giving him a clear look. He was fairly hidden, and silent.