Blade Blacksmith

Blade Blacksmith, also known as the Creation of the Holy Sword, is the Sacred Gear of Jeanne from the Chaos Brigade's Hero Faction. It is the Holy Sword version of Kiba's Sword Birth.

Apperance
Blade Blacksmith can take the apparence of any swords the user may think of, but all the swords has the one thing in common that they all are holy swords.

Summary
Blade Blacksmith is first introduced in Volume 9, owned by Joan of the Hero Faction. In Volume 10, it is revealed that Yuuto also possesses the same Sacred Gear.

Abilities
Blade Blacksmith has the ability to create numerous Holy Swords of different attributes according to the will of the wielders.

Original Balance Breaker
(聖輝の騎士団（ブレード・ナイトマス）Bureid'ō' Nait'ō'mas'ū) also known as the Supreme Holy Knight Army''' is Blade Blacksmith's original Balance Breaker, which creates an army of knights.

Stake Victim Dragon
Stake Victim Dragon (断罪の聖龍（ステイク・ビクティム・ドラグーン） Suteiku Bikutimu Doragūn) also known as the Holy Dragon of Judgement is the sub-species Balance Breaker wielded by Jeanne. It creates a Dragon made up entirely of Holy Swords.

Glory Drag Trooper
Glory Drag Trooper (聖覇の龍騎士団（グローリィ・ドラグ・トルーパー）Gurōryi Doragu Torūpā) is a sub-species Balance Breaker version of the original known as the Supreme Holy Dragon Knight Army, which creates an army of Dragon Knights. It is wielded by Kiba Yuuto. Each Dragon-Knights wields a Holy-sword and it reflects the physcial abilities of the wielder, in this case Kiba Yuuto. But currently due to Kiba Yuuto's inexperience, it has reflected his speed but not his techniques.

Trivia

 * Blade Blacksmith is (as of now) the only Sacred Gear that appeared in the series to have two wielders.