The King in Yellow, a forbidden play which induces despair or madness in those who read it could be a good idea when it comes to that idea of nightmares and can show how the innocent of a child can be easily ruined.
Human Tattoed Monk - Pathfinder PFRPG DND D&D d20 fantasy
Raz the funny traveller , Roman Oumansky on ArtStation at https://www.artstation.com/artwork/wPrL6
The Man's shadow exists in the Dark Space. Not violent, but all powerful.
Diablo III Reaper of souls Contest by ourlak on deviantART
Fragged Empire (A.K.A. Games) • Black Book Editions