User blog comment:Jopjopjop/Volume 19 Spoilers/@comment-77.253.101.192-20141125211715/@comment-16281343-20141126234534

The anon was just asking what the normal BB of Sword Birth is since the normal BB of his other SG is known; not saying he needs to achieve it.

~Actually, Kiba first revealed Blade Blacksmith on Volume 9 not 10.