This diagram appears in both The Witcher 2: Assassins of Kings and The Witcher 3: Wild Hunt.
The Witcher 2: Assassins of Kings[]
Diagram: Weeper is a crafting diagram in The Witcher 2: Assassins of Kings that is needed to craft Weeper. It is only available in Dark Mode.
The Witcher 3: Wild Hunt[]
Diagram: Weeper is a crafting diagram in The Witcher 3: Wild Hunt that is needed to craft Weeper.
It's a possible spawn at a random diagram location.