Falx is a pair of curved swords that have pretty stand movesets for the weapon category. It has passive bleed build-up and usually will get the job done no matter which situation you find yourself in.

A pair of weapons made to be wielded in both hands. Forged by a hornsent in the name of revenge. "In vengeance for the flames, my blade I wield..." The Falx can be obtained by defeating Hornsent ...