A Crimson Mark [extra Quality] -

In romantic fiction, takes on a different flavor: the hickey, the love bite, the scratch of passion. Here, the mark is a secret language. It says: I was here. You are claimed. The difference between a love bite and a wound is purely context. Both are red. One is cherished; the other is feared.

The key is to never explain the mark immediately. Let it breathe. Let it terrify or tantalize. a crimson mark

"The envelope contained no letter, no signature. Just a crimson mark in the shape of a crescent moon. And then, three days later, the first phone call came." In romantic fiction, takes on a different flavor:

This is the second power of the crimson mark: To leave a red mark on someone is to leave a signature. You are claimed

In the Underworld LARP setting, the is a specific lore element associated with the Seven Crows Assassins Guild .