The Sword That Shouldn't Exist -

: 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"

: 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 Sword That Shouldn't Exist

: Players use the term for "illegal" legendary items like the Soulcatcher Blade , which summons hostile mobs to fight for the user, or "God Swords" with impossible enchantment levels (e.g., Sharpness 1000). : Each authentic blade is marked with the

: They were crafted using crucible steel , a high-purity metal with a carbon content so high that the technology to create it wasn't thought to exist in Europe until the Industrial Revolution. : They were crafted using crucible steel ,