You do realize Oboro Muramasa is the name of the last sword you unlocked on the game. The proper title for this gallery should be Muramasa the demon blade gallery.
Base +7, shadow king -8, madarame2 -7, Rose Garden -10, sasman -9, Black64 -6, HXW -7, ginnryu -7, k.k.slida -6, Darkman9000 -7, jenkins jenkins -6