Jet Black Sword

Jet Black Sword (漆黒の剣 Shukkoku no Tsurugi) is an Arc of Embodiment Spell.

Description
After reciting the incantation, the user transform his right arm into a claw-like sword which is capable of extending itself over long distances. It supposedly can cut through anything.

Incantation
English: "I am the king of the underworld This arm cuts through everything with a deep black blade ''Disappear to the edge of darkness!