Sword Skill: Sharp Nail

You can cast this spell as a bonus action, When you do your melee weapon in your hand glows red, and the next melee attack you make has an additional 3d6 radiant damage.

A Sword Skill that consists of an upward right to left diagonal slash, followed by a left to right horizontal slash, ending with a downward right to left diagonal slash. An alternative execution of the skills consists of three vertical slashes.