The phrase is also popular in modern gaming and fiction to describe "illegal" or overpowered weapons:
: Each authentic blade is marked with the name "+VLFBERHT+" in a specific arrangement of crosses, which functioned like a high-end brand name in the 9th to 11th centuries. Other "Swords That Shouldn't Exist" The Sword That Shouldn't Exist
: Compared to typical iron or pattern-welded blades of the Viking Age, Ulfberht swords were incredibly strong, flexible, and sharp, allowing them to slice through mail armor without shattering. The phrase is also popular in modern gaming