Magic Weapon (Oil)

Magic Weapon (武器魔法化) is a special oil that can magically infuse a blade.

Abilities
This oil activates with a faint light once applied and absorbed into the receptacle armament. Its effects are only temporary, but it can infuse the blade of any weapon with magic that can further boost its sharpness.

Trivia

 * In Brain Unglaus' confrontation with Shalltear Bloodfallen, he used this oil to enhance the sharpness of his katana.
 * This item has yet to make an appearance in the Manga or Anime.
 * In the official English version, the oil was called "Enchant Weapon".