Diagram: Dark steel plate
The Witcher 3 Remastered Crafting Diagram

Diagram: Dark steel plate is a crafting diagram in The Witcher 3 Remastered. It makes Dark steel plate. A Journeyman craftsman or better forges it for 104 crowns.

It takes 2 Dark steel ingot. The crafting diagram itself has a base price of 21 crowns.