The Necbromancer Tattoo is obtained by visiting the Pretentious Artist while wearing the Dark Bro's Vestments.
Please allow me to paint your portrait...
That is... What is that? What is this, this, here, in my mind? A symbol, written in burning blood. I... Get it out. Get it out!
- The symbol is the Yellow Sign first mentioned in the book The King in Yellow but given form in an RPG based more generally on the Cthulhu Mythos. The symbol itself functions as a disease, passed from one person to another by means of artwork.