it makes more sense then you think if shes partners with silver spoon, silver covers the mid ranged targets in light armor, and diamond takes out the guys that get i8n close or are in heavy armor...thing about a dagger, if you are good with it you can kill a guy in plate mail, just get in close and shove it in one of the joints, under the arm, the hips, the neck, the eyes...people look down on a good knife, but to a skilled user a knife can topple the hardest target with ease...a few drops of poison on the edge, just makes it even easier...
it makes more sense then you think if shes partners with silver spoon, silver covers the mid ranged