Sabriel

[Minato Namikaze]

Crescent Dagger - " and and loses it's magical charge if the user has used it for four posts in a row to attack. It loses it's sharpness and becomes blunt." This doesn't need to be a thing.

Also, what does it look like? You told us how long the blade is, and that is glows like the moon, but I need a physical description of the dagger.