Demon-Dweller Sword: Black Slash

Demon-Dweller Sword: Black Slash (ブラック・スラッシュ) is an Anti Magic spell.

Description
While holding the Demon-Dweller Sword, the user fills the sword with Anti Magic, swings it, and releases the energy as a flying slash which cuts through magic and carries enough force to knock an opponent back into a wall or up through a ceiling. The slash does not appear to cut the opponent, but can knock them unconscious.

The user could swing the sword in rapid succession to create a flurry of slashes for targeting multiple opponents.