Talk:Black Knight Greatsword (Dark Souls II)/@comment-2607:FEA8:59F:F13C:100C:AA4C:4718:DD30-20190130054041

So, I always figured that the DS2 versions of these weapons were just locally made knockoffs. The people that made them in-universe probably heard stories about the black knights and figured that the knights scorched by flames used flaming weapons.