Sword That Shouldn't Exist | The

: It has been used to describe Sephiroth's Masamune in various media, highlighting its supernatural length and power.

The phrase is also popular in modern gaming and fiction to describe "illegal" or overpowered weapons: 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" : It has been used to describe Sephiroth's

: 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. The Sword That Shouldn't Exist